[OT] WebObjects Job near Sydney Australia
Hi All, We're looking for a WebObjects developer to join us down here in beautiful Wollongong Australia. Check out the following site for details and make sure you download the position description. http://employment.uow.edu.au/cgi-bin/job_details.cgi?id=23292 Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - People who prefer typing to pointing then seem to prefer acronyms to save typing :-) -Denis Stanton, On people using Command Line Interfaces ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: displayGroup questions
On 29/01/2009, at 2:50 PM, Theodore Petrosky wrote: I am using some of the ajax examples as a starting template for a project. I have used the DependentListsExample. My 'list' is an array from a postgresql db and it is working almost perfectly. I have not been able to figure out how to get the table to update after I insert a new row in the database. I am examining the different examples and the answer eludes me. How can I get the displayGroup to refresh the screen after an insert? dg.refresh would be nice but doesn't exist... Ted Hi Ted, Couple of ways depending on how you are inserting the row into the database. Check the doco on each of these methods and see which one suits you best : displayGroup.updateDisplayedObjects(); displayGroup.qualifyDataSource(); displayGroup.qualifyDisplayGroup(); Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "I like the way this project has somehow, against all common sense, got itself made." - Peter Jackson, "The Lord of The Rings" ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: captcha ???
On 04/12/2008, at 8:03 AM, Mike Schrag wrote: I like it ... Just committed ERXSimpleSpamCheck. Implements this wrapped in a display: none span so the user doesn't see it. Just drop it in your form and it will generate a validation failure when the values don't match. ms Well Im glad my lack of google-foo yesterday morning resulted in something more useful than another email cluttering up peoples inbox's. Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 'The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time and still be able to function.' -F.Scott Fitzgerald, ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: captcha ???
Hi Guys, Ummm yeah. So I forgot to look in wonder. Sorry. I did do a java captcha search under google shoudl have stuck Webobjects in there as well. Sorry all. Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - People who prefer typing to pointing then seem to prefer acronyms to save typing :-) -Denis Stanton, On people using Command Line Interfaces On 03/12/2008, at 11:11 AM, Chuck Hill wrote: On Dec 2, 2008, at 4:04 PM, Owen McKerrow wrote: Hi All, Does anyone have a suggestion regarding a free captcha generator, that works well with WO ? We wouldn't complain at all if there was some code you could throw our way in regards to implementing it to. In fact we woudl be most grateful. Thanks Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au http://www.google.com/search?client=safari&rls=en-us&q=webobjects +captcha+wonder&ie=UTF-8&oe=UTF-8 The first one? Chuck -- Chuck Hill Senior Consultant / VP Development Practical WebObjects - for developers who want to increase their overall knowledge of WebObjects or who are trying to solve specific problems. http://www.global-village.net/products/practical_webobjects ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
captcha ???
Hi All, Does anyone have a suggestion regarding a free captcha generator, that works well with WO ? We wouldn't complain at all if there was some code you could throw our way in regards to implementing it to. In fact we woudl be most grateful. Thanks Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "I like the way this project has somehow, against all common sense, got itself made." - Peter Jackson, "The Lord of The Rings" ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: [OT] Thanks for the memories …
Hi Art, As a long time list member I can't thank you enough for the support and help you have provided on over the years. And Im sure that thought would be echoed by many who have benefited from your insights. So Thanks for everything, and I hope you find retirement as enjoyable as I hear it is : ) Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 'The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time and still be able to function.' -F.Scott Fitzgerald, On 12/10/2008, at 6:42 AM, Art Isbell wrote: It is with some excitement, both of the positive and negative sorts, that I am ending my 18-year career as a software developer. I attended NeXT Developer Camp in May, 1990. However, I was unable to find work using this incredible technology until late 1991 when I quit my Unix programming job to take a 6-week contract programming job with NeXT working at Informix to port WINGZ to NeXTSTEP 2.0 (or was that NeXTstep 2.0? :-). From there, I spent 5 or so years developing and maintaining a large NeXTSTEP/OPENSTEP desktop application that, in its inception, used beta versions of DBKit, then moved on to ever-increasing versions of EOF. With NeXT apparently heading toward oblivion, I decided that I had better move to their only technology that might have a future, WebObjects, if I wanted software development to remain fun. Fortunately, NeXT saved Apple (or was it the other way around? :-) As a result, WebObjects has had more lives than a cat. I have stuck with it through thick and thin, eventually crossing over to the mother ship in 2001 where I continued with WebObjects development internally while providing WebObjects support for organizations under contract. I have been extremely fortunate to have been able to develop applications using NeXT's and now Apple's technologies. I have not had to deal with the drudgery that most developers face using other technologies. I'm sure that most of you understand. But the time has now come to move on to the next phase of my life: retirement! I have been living in Honolulu since 1997, finally being able to return after 2 wonderful years in the early 1970's. But life in Honolulu and the U.S. in general has deteriorated considerably during my lifetime (and especially during the past few weeks :-( so I have decided to give Sweden a try. My Swedish-born wife and I moved to Uppsala on 22 September and are starting our lives anew. But this time without WebObjects … and without software development of any kind. Time to learn Svenska. So I am signing off webobjects-dev and webobjects-deploy. It has been a genuine pleasure to associate virtually with so many truly talented and generous people. Few outside this community can really appreciate the experience. Lycka till! Aloha and hej då, Art Isbell ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/owen% 40uow.edu.au This email sent to [EMAIL PROTECTED] ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Do DA's add a page to the app's cache ?
Hi Chuck,
On 05/09/2008, at 10:39 AM, Chuck Hill wrote:
protected void savePageInPageCache(WOComponent aPage)
{
if (aPage.context().request().requestHandlerKey().equals("wa") {
super.savePageInPageCache(aPage);
}
}
I can see a savePage(WOComponent aPage) and a savePageInPermanentCache
(WOComponent aPageComponent) in session, but no savePageInPageCache
(WOComponent aPage). Im assuming you mean savePageInPermanentCache ?
If so how does it work ? That is from the doco "The permanent page
cache is designed to hold components which are frequently accessed."
is there only one "copy" of the component within the cache no matter
how many times its called ? Otherwise I would have thought you would
have run into the same problem i.e. the other part of doco says
"Objects can fall out of the permanent page cache if the permanent
page cache's size is exceeded."
Or is it just a matter of the DA's being cached in the permantCache
while the other pages are going into the normal cache so they
frequent AJAX calls to the DA don't effect the cache's of the rest of
the pages ?
Owen
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Do DA's add a page to the app's cache ?
Hi All, We have an app that has some small hand made AJAX on it (not the cool stuff from project wonder) and we're having an issue with page cacheing on the Applications side. I had set the AJAX action up as a call to a DA which I had though did not add to/effect the sessions page cache. So either that assumption is wrong or I haven't made a clean break between the DA and the session after all. Anyways heres the error we're getting... "The application backtracking limit of 30 has been exceeded." Any suggestions ? Is turning off caching an option ? Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - People who prefer typing to pointing then seem to prefer acronyms to save typing :-) -Denis Stanton, On people using Command Line Interfaces ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Strange SQL Statement generated....
Hi All, Updating an old application and have come across a very weird situation. Code which was working fine 2 days ago now produces an error. So I made the simplest test case I could and yet I still get the error. GeneralInfo gi = (GeneralInfo) EOUtilities.objectWithFetchSpecificationAndBindings(ec, "GeneralInfo", "find", new NSDictionary()); gi.setUpdaterRunning(new Integer(3)); ec.saveChanges(); which produces the following SQL and error message 11:58:39,855 DEBUG [Thread-1] (Log.NSLogDebug:1546 appendln) - evaluateExpression: $OracleExpression: "SELECT t0.client_id, t0.common_rules, t0.general_info, t0.menu_Message, t0.updater_running FROM GENERAL_INFO t0 WHERE t0.client_id = ?" withBindings: 1:2(client_id)> 11:58:39,863 DEBUG [Thread-1] (Log.NSLogDebug:1546 appendln) - 1 row (s) processed 11:58:39,864 DEBUG [Thread-1] (Log.NSLogDebug:1546 appendln) - === Commit Internal Transaction 11:58:39,881 DEBUG [Thread-1] (Log.NSLogDebug:1546 appendln) - === Begin Internal Transaction 11:58:39,881 DEBUG [Thread-1] (Log.NSLogDebug:1546 appendln) - evaluateExpression: $OracleExpression: "SELECT t0.client_id, t0.common_rules, t0.general_info, t0.menu_Message, t0.updater_running FROM GENERAL_INFO t0 WHERE t0.client_id = ? FOR UPDATE" withBindings: 1:2 (client_id)> 11:58:39,893 DEBUG [Thread-1] (Log.NSLogDebug:1546 appendln) - 1 row (s) processed 11:58:39,898 DEBUG [Thread-1] (Log.NSLogDebug:1546 appendln) - === Rollback Internal Transaction 11:58:39,898 DEBUG [Thread-1] (Main:187 doUpdate) - updateStatementForRow: qualifier may not be null 11:58:39,934 OFF [Thread-1] (Log.NSLogErr:1546 appendln) - EXCEPTION: updateStatementForRow: qualifier may not be null DATE/TIME: 2008-09-04 01:58:39 Etc/GMT null STACK TRACE: at _exceptionWithDatabaseContextInformationAdded (EODatabaseContext.java:4685) at performChanges(EODatabaseContext.java:6393) at saveChangesInEditingContext(EOObjectStoreCoordinator.java:415) at saveChanges(EOEditingContext.java:3226) at doUpdate(SyncUtil.java:114) at run(SyncUtil.java:81) I don't understand why it wants to fetch the GeneralInfo object from the database again? And I don't think I have ever seen SQL "FOR UPDATE" which is tacked onto the end of the second select statement. Can anyone suggest what may be going on and why ? Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "I like the way this project has somehow, against all common sense, got itself made." - Peter Jackson, "The Lord of The Rings" ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Issues Deploying from WOLips
Hi Chuck, Just in relation to embedding the frameworks. I followed the instructions on the wikki, setting but the frameworks still aren't copied across. Any suggestions ? Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "I like the way this project has somehow, against all common sense, got itself made." - Peter Jackson, "The Lord of The Rings" On 29/08/2008, at 2:17 PM, Chuck Hill wrote: On Aug 28, 2008, at 9:06 PM, Owen McKerrow wrote: Hi All, Converting an xCode project over to WOLips. We made a new WOApplication project, copied acrosss all the Java files and components etc etc and its all working great. Until we get to deployment. To make my deployment build I right clicked on the projects name, and then selected "Install" from the WOLips Ant Tools option, which made me a nice .woa file in /Library/WebObjects/ Applications ( by the way is there any easy way to get this build to include copies of the frameworks it needs inside itself ? ) Documented and everything: http://wiki.objectstyle.org/confluence/display/WOL/Embedding +WOFrameworks Anyways so far so good. I've copied the .woa up to the server where Im running it against a DEV database, most of the site works fine however when I to some pages I get these sorts of errors ( note the prod version built from xCode is still on the same machine and its not having any issues ) 12:52:21,297 : Exception occurred while handling request: com.webobjects.foundation.NSForwardException [java.lang.ClassNotFoundException] Cannot find class or component named JSConfirmPanel in runtime or in a loadable bundle: parsing template for Component : 'file:/Library/WebObjects/ Applications/Dev/EePortfolio.woa/Contents/Resources/ ExistingReports.wo/': java.lang.ClassNotFoundException: Cannot find class or component named JSConfirmPanel in runtime or in a loadable bundle Closely followed by 12:52:21,299 Throwable occurred: java.lang.NoClassDefFoundError: com/webobjects/woextensions/ WOExceptionParser 12:52:21,299 Workerthread exiting due to error, respawning with ID 10005... Exception in thread "WorkerThread5" com.webobjects.foundation.NSForwardException for java.lang.NoClassDefFoundError: com/webobjects/woextensions/ WOExceptionParser at edu.uow.emlab.eportfolio.ExceptionHelper.retrieveExceptionInformation (ExceptionHelper.java:128) at edu.uow.emlab.eportfolio.ExceptionHelper.emailException (ExceptionHelper.java:94) at edu.uow.emlab.eportfolio.Application.emailException (Application.java:575) at edu.uow.emlab.eportfolio.Application.handleException (Application.java:508) at com.webobjects.appserver._private.WOComponentRequestHandler._handleRe quest(WOComponentRequestHandler.java:379) at com.webobjects.appserver._private.WOComponentRequestHandler.handleReq uest(WOComponentRequestHandler.java:435) at com.webobjects.appserver.WOApplication.dispatchRequest (WOApplication.java:1306) at edu.uow.emlab.eportfolio.Application.dispatchRequest (Application.java:469) at com.webobjects.appserver._private.WOWorkerThread.runOnce (WOWorkerThread.java:173) at com.webobjects.appserver._private.WOWorkerThread.run (WOWorkerThread.java:254) at java.lang.Thread.run(Thread.java:613) So what have I done wrong ? Any ideas as to why it can't find JSConfirmPanel and WOExceptionParser ? As I said the prod version is running just fine. Going to these same pages when its running from Eclipse on my machine also works fine. Might be worth doing an opendiff on the .woa directories. It sounds like you don't have JavaWOExtensions.framework on the classpath. I don't know what you did in Eclipse to make that be the case when it still runs. Make sure this is in the WebObjects Libraries under the project's build path. Take a look in App.woa/ Contents/MacOS/MacOSClassPath.txt to see if it is missing or present with the wrong path. Chuck -- Chuck Hill Senior Consultant / VP Development Practical WebObjects - for developers who want to increase their overall knowledge of WebObjects or who are trying to solve specific problems. http://www.global-village.net/products/practical_webobjects ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Issues Deploying from WOLips
Thanks Chuck. That was it. I some how had a copy of JavaWOExtensions.framework in / Library/Frameworks so my local copy of Eclipse was using that. When I made the deploy build, it had JavaWOExtensions.framework belonging to LOCALROOT instead of WOROOT. Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - People who prefer typing to pointing then seem to prefer acronyms to save typing :-) -Denis Stanton, On people using Command Line Interfaces On 29/08/2008, at 2:17 PM, Chuck Hill wrote: On Aug 28, 2008, at 9:06 PM, Owen McKerrow wrote: Hi All, Converting an xCode project over to WOLips. We made a new WOApplication project, copied acrosss all the Java files and components etc etc and its all working great. Until we get to deployment. To make my deployment build I right clicked on the projects name, and then selected "Install" from the WOLips Ant Tools option, which made me a nice .woa file in /Library/WebObjects/ Applications ( by the way is there any easy way to get this build to include copies of the frameworks it needs inside itself ? ) Documented and everything: http://wiki.objectstyle.org/confluence/display/WOL/Embedding +WOFrameworks Anyways so far so good. I've copied the .woa up to the server where Im running it against a DEV database, most of the site works fine however when I to some pages I get these sorts of errors ( note the prod version built from xCode is still on the same machine and its not having any issues ) 12:52:21,297 : Exception occurred while handling request: com.webobjects.foundation.NSForwardException [java.lang.ClassNotFoundException] Cannot find class or component named JSConfirmPanel in runtime or in a loadable bundle: parsing template for Component : 'file:/Library/WebObjects/ Applications/Dev/EePortfolio.woa/Contents/Resources/ ExistingReports.wo/': java.lang.ClassNotFoundException: Cannot find class or component named JSConfirmPanel in runtime or in a loadable bundle Closely followed by 12:52:21,299 Throwable occurred: java.lang.NoClassDefFoundError: com/webobjects/woextensions/ WOExceptionParser 12:52:21,299 Workerthread exiting due to error, respawning with ID 10005... Exception in thread "WorkerThread5" com.webobjects.foundation.NSForwardException for java.lang.NoClassDefFoundError: com/webobjects/woextensions/ WOExceptionParser at edu.uow.emlab.eportfolio.ExceptionHelper.retrieveExceptionInformation (ExceptionHelper.java:128) at edu.uow.emlab.eportfolio.ExceptionHelper.emailException (ExceptionHelper.java:94) at edu.uow.emlab.eportfolio.Application.emailException (Application.java:575) at edu.uow.emlab.eportfolio.Application.handleException (Application.java:508) at com.webobjects.appserver._private.WOComponentRequestHandler._handleRe quest(WOComponentRequestHandler.java:379) at com.webobjects.appserver._private.WOComponentRequestHandler.handleReq uest(WOComponentRequestHandler.java:435) at com.webobjects.appserver.WOApplication.dispatchRequest (WOApplication.java:1306) at edu.uow.emlab.eportfolio.Application.dispatchRequest (Application.java:469) at com.webobjects.appserver._private.WOWorkerThread.runOnce (WOWorkerThread.java:173) at com.webobjects.appserver._private.WOWorkerThread.run (WOWorkerThread.java:254) at java.lang.Thread.run(Thread.java:613) So what have I done wrong ? Any ideas as to why it can't find JSConfirmPanel and WOExceptionParser ? As I said the prod version is running just fine. Going to these same pages when its running from Eclipse on my machine also works fine. Might be worth doing an opendiff on the .woa directories. It sounds like you don't have JavaWOExtensions.framework on the classpath. I don't know what you did in Eclipse to make that be the case when it still runs. Make sure this is in the WebObjects Libraries under the project's build path. Take a look in App.woa/ Contents/MacOS/MacOSClassPath.txt to see if it is missing or present with the wrong path. Chuck -- Chuck Hill Senior Consultant / VP Development Practical WebObjects - for developers who want to increase their overall knowledge of WebObjects or who are trying to solve specific problems. http://www.global-village.net/products/practical_webobjects ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Issues Deploying from WOLips
Hi All, Converting an xCode project over to WOLips. We made a new WOApplication project, copied acrosss all the Java files and components etc etc and its all working great. Until we get to deployment. To make my deployment build I right clicked on the projects name, and then selected "Install" from the WOLips Ant Tools option, which made me a nice .woa file in /Library/WebObjects/Applications ( by the way is there any easy way to get this build to include copies of the frameworks it needs inside itself ? ) Anyways so far so good. I've copied the .woa up to the server where Im running it against a DEV database, most of the site works fine however when I to some pages I get these sorts of errors ( note the prod version built from xCode is still on the same machine and its not having any issues ) 12:52:21,297 : Exception occurred while handling request: com.webobjects.foundation.NSForwardException [java.lang.ClassNotFoundException] Cannot find class or component named JSConfirmPanel in runtime or in a loadable bundle: parsing template for Component : 'file:/Library/WebObjects/ Applications/Dev/EePortfolio.woa/Contents/Resources/ ExistingReports.wo/': java.lang.ClassNotFoundException: Cannot find class or component named JSConfirmPanel in runtime or in a loadable bundle Closely followed by 12:52:21,299 Throwable occurred: java.lang.NoClassDefFoundError: com/webobjects/woextensions/ WOExceptionParser 12:52:21,299 Workerthread exiting due to error, respawning with ID 10005... Exception in thread "WorkerThread5" com.webobjects.foundation.NSForwardException for java.lang.NoClassDefFoundError: com/webobjects/woextensions/ WOExceptionParser at edu.uow.emlab.eportfolio.ExceptionHelper.retrieveExceptionInformation (ExceptionHelper.java:128) at edu.uow.emlab.eportfolio.ExceptionHelper.emailException (ExceptionHelper.java:94) at edu.uow.emlab.eportfolio.Application.emailException (Application.java:575) at edu.uow.emlab.eportfolio.Application.handleException (Application.java:508) at com.webobjects.appserver._private.WOComponentRequestHandler._handleReque st(WOComponentRequestHandler.java:379) at com.webobjects.appserver._private.WOComponentRequestHandler.handleReques t(WOComponentRequestHandler.java:435) at com.webobjects.appserver.WOApplication.dispatchRequest (WOApplication.java:1306) at edu.uow.emlab.eportfolio.Application.dispatchRequest (Application.java:469) at com.webobjects.appserver._private.WOWorkerThread.runOnce (WOWorkerThread.java:173) at com.webobjects.appserver._private.WOWorkerThread.run (WOWorkerThread.java:254) at java.lang.Thread.run(Thread.java:613) So what have I done wrong ? Any ideas as to why it can't find JSConfirmPanel and WOExceptionParser ? As I said the prod version is running just fine. Going to these same pages when its running from Eclipse on my machine also works fine. Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - People who prefer typing to pointing then seem to prefer acronyms to save typing :-) -Denis Stanton, On people using Command Line Interfaces ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: WODisplayGroup + qualifyDisplayGroup() + mutators = FAIL
On 27/08/2008, at 2:19 PM, Q wrote: Has anyone else noticed that if you use qualifyDisplayGroup() on a WODisplayGroup to restrict displayedObjects() with a qualifier and then try to use insertNewObjectAtIndex, indexOfLastDisplayedObject or insertObjectAtIndex, they are all broken because the displayedObjects and allObjects arrays are no longer the same size. Hmmm it may just be that its late at night, but aren't displayedObjects and allObjects almost always different in size ? I mean isn't that the point of having teh two of them, you have 30 objects in the all array of which you want to show 10 ( the display array). Anyways doesn't help at all with your bug, but just curious as to what it was you meant. Is it that you have qualified the displayed objects so its now say 8 objects instead of 10, which would stuff up your batching as the batching is based of the allObjects array ? Owen ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: OT : Broken xCode Debugger
Thanks Art, that did it ! Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "As of tomorrow, employees will only be able to access the building using individual security cards. Pictures will be taken next Wednesday employees will receive their cards in two weeks." - "Dilbert Quotes" Winner, Fred Dales, Microsoft Corp On 06/08/2008, at 11:04 AM, Art Isbell wrote: On Aug 5, 2008, at 2:53 PM, Owen McKerrow wrote: Under that Targets Settings Expert View I have JAVA_DEBUGGER = jdb I believe thats right, is it ? That part's correct, but when you double-click the executable in the Executables section of Groups & Files, you should see a pop-up button set to "Java Debugger" under the Debugging tab (for Xcode 3.1; not sure where this is under Xcode 2.3). Seems like this pop- up button defaults to "AppleScript Debugger" which won't work, of course. Aloha, Art ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/owen% 40uow.edu.au This email sent to [EMAIL PROTECTED] ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: OT : Broken xCode Debugger
Hi Art, Under that Targets Settings Expert View I have JAVA_DEBUGGER = jdb I believe thats right, is it ? Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - People who prefer typing to pointing then seem to prefer acronyms to save typing :-) -Denis Stanton, On people using Command Line Interfaces On 06/08/2008, at 10:47 AM, Art Isbell wrote: On Aug 5, 2008, at 2:40 PM, Owen McKerrow wrote: Upon launching my Project today the debugger has stopped working as it should. As in it is ignoring break-points, only for one project and only for one target ( the project has several for doing different builds for different clients ). I can't see any reason why this would be. Any suggestions ? ( and no taking this one to Eclipse is not at an option at this stage ). Check the Xcode debugger setting for that project and target. When it's not set to the Java debugger, the symptoms that you describe occur. Aloha, Art ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/owen% 40uow.edu.au This email sent to [EMAIL PROTECTED] ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
OT : Broken xCode Debugger
Hi All, Upon launching my Project today the debugger has stopped working as it should. As in it is ignoring break-points, only for one project and only for one target ( the project has several for doing different builds for different clients ). I can't see any reason why this would be. Any suggestions ? ( and no taking this one to Eclipse is not at an option at this stage ). xCode 2.3 for those playing along at home. Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - People who prefer typing to pointing then seem to prefer acronyms to save typing :-) -Denis Stanton, On people using Command Line Interfaces ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Copying An EO Values
Hey, Ondra's suggestion is the a good idea. Or you could have a look at Chapter 9 of Chucks "Practical WebObjects" book, which is a whole chapter on this very topic :) Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 'The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time and still be able to function.' -F.Scott Fitzgerald, On 04/08/2008, at 5:52 AM, Gino Pacitti wrote: Well what I mean is that instead of neweo.setValue(existingeo.someValue()); for every value in the existingeo which I want to transpose to the neweo. Is there a operation like - neweo = existineo.clone(); So all the values in the new eo are the same as existingeo but obvioulsy with a new PK.. GIno On 3 Aug 2008, at 20:41, Ondřej Čada wrote: Gino, On Aug 3, 2008, at 9:27 PM, Gino Pacitti wrote: Has anyone had experience copying an EO values fetched and in and EditingContext to a new EO in an atomic action? "Atomic" in what sense? Myself, I've always combined valuesForKeys and takeValuesFromDictionary, but YMMV :) Best, --- Ondra Čada OCSoftware: [EMAIL PROTECTED] http://www.ocs.cz private [EMAIL PROTECTED] http://www.ocs.cz/oc - Gino L. Pacitti Base Enterprise UK email: [EMAIL PROTECTED] phone: sales: 0845 094 9784 mob: 07980 851 953 Aol: kris121 Msn: [EMAIL PROTECTED] Skype: ginkris Mac.com: [EMAIL PROTECTED] http://www.base-enterprise.co.uk mail: Base Enterprise PO BOX 674 East Grinstead West Sussex RH19 3ZG Base Enterprise LTD Company Number 04339224 Registered in England & Wales Registered Member of the UK Web Design Association. Accredited by Business Link and a member of the FSB. Web Design, coding and information architect Web Objects and Database Developer HTML, XML, Javascript and WAP technologies. - This email and any attachments is confidential and may be legally privileged and protected from disclosure. It is intended solely for the use of the individual or entity to whom it is addressed and others authorized to receive it. If you are not the intended recipient of this e-mail of any parts of it please telephone +44 845 094 9784 immediately upon receipt or contact [EMAIL PROTECTED] No other person is authorized to copy, forward or disclose, distribute or retain this e-mail in any form. ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/owen% 40uow.edu.au This email sent to [EMAIL PROTECTED] ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Back To Basics : Databases Active Editing Context
Nope, no Wonder on this one.
Owen McKerrow
WebMaster, emlab
Ph : +61 02 4221 5517
http://emlab.uow.edu.au
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - -
'The test of a first-rate intelligence is the ability to hold two
opposed ideas in the mind at the same time and still be able to
function.'
-F.Scott Fitzgerald,
On 07/07/2008, at 12:09 PM, Lachlan Deck wrote:
On 07/07/2008, at 11:49 AM, Owen McKerrow wrote:
OK so we think we probably screwed up implementing
MultiLockManager somehow, so heres a couple of more questions to
make sure all of our bases are covered :
In Session's sleep we have ( terminate looks exactly the same
except of course its for terminate )
public void sleep()
try {
synchronized (ecLockManager) {
if (ecLockManager().isLocked()) {
ecLockManager().unlock();
}
}
}
finally {
super.sleep();
}
}
Should we be using unregisterEditingContext instead of unlock() ?
If not why/when should you use unregisterEditingContext ?
Not familiar with the MultiECLockManager, so Chuck (or someone
else) will need to chime i here.
I assume you're not using Wonder for this project.
with regards,
--
Lachlan Deck
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Re: Back To Basics : Databases Active Editing Context
OK so we think we probably screwed up implementing MultiLockManager
somehow, so heres a couple of more questions to make sure all of our
bases are covered :
In Session's sleep we have ( terminate looks exactly the same except
of course its for terminate )
public void sleep()
try {
synchronized (ecLockManager) {
if (ecLockManager().isLocked()) {
ecLockManager().unlock();
}
}
}
finally {
super.sleep();
}
}
Should we be using unregisterEditingContext instead of unlock() ? If
not why/when should you use unregisterEditingContext ?
Owen McKerrow
WebMaster, emlab
Ph : +61 02 4221 5517
http://emlab.uow.edu.au
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - -
"I like the way this project has somehow, against all common sense,
got itself made."
- Peter Jackson, "The Lord of The Rings"
On 04/07/2008, at 3:53 PM, Lachlan Deck wrote:
On 04/07/2008, at 2:54 PM, Chuck Hill wrote:
On Jul 3, 2008, at 9:30 PM, Lachlan Deck wrote:
Perhaps a parent ec? Is there any child ecs involved here?
I don't recall terribly clearly now as it's been a while... but I
remember that for some strange reason an object that I had in the
shared editing context didn't localize into the ec that I wanted
when attempting to set the relationship - but there was no
exception until saveChanges. It might have been when said ec
didn't have its sharedEc == null, or invalid locking or something.
I recall, when trying to track it down, mucking around with
temporarily unlocking shared ec locks and stuff. But I think it
turned out to be ensuring that the ec in question didn't properly
set its shared ec to null (I think).
Sorry I don't recall much more than that.
Ah, there you go on about the shared EC again. :-P
Someone says it can't/shouldn't be used... just can't help
myself... Shared ec, VI, ... I'm just waiting for the next
suggestion :-)
I had not considered the SEC being involved. That puts a new twist
on things.
Owen, are you using the SEC?
Bear in mind that you *might* be using it unintentionally. e.g.,
you've declared in your model 'share objects' and/or you're not
nullifying your ec's shared ec (which is the usual for your default
session context IIRC).
with regards,
--
Lachlan Deck
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Re: Back To Basics : Databases Active Editing Context
On 04/07/2008, at 1:00 PM, Lachlan Deck wrote: On 04/07/2008, at 11:54 AM, Chuck Hill wrote: On Jul 3, 2008, at 6:37 PM, M.Y. Tjoe wrote: Hi Chunk and Owen, Chunk? Might be colloquial for something down in Wollongong or maybe something from that 3rd world you mentioned before ;-) Nope nothing like that. English is not Harvey's first language and when I explained to him what he had done he was very apologetic. Owen ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Back To Basics : Databases Active Editing Context
Hi Chuck, Thanks for the quick response and all your answers matched up with my understanding, which is both a good and a bad thing. ( As in Im glad I know this stuff but it sucks I still have the problem ). See below for more Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - People who prefer typing to pointing then seem to prefer acronyms to save typing :-) -Denis Stanton, On people using Command Line Interfaces On 04/07/2008, at 9:23 AM, Chuck Hill wrote: On Jul 3, 2008, at 4:05 PM, Owen McKerrow wrote: So Im going back to basics, just in case I missed something or my understanding of these things is flawed : 1) What exactly is the Databases active editing context ? The editing context that is executing saveChanges() and has the database (EODatabaseContext) locked Does the EC lock the EODatabaseContext when you call lock() on the EC ? If not what does lock() on the EC actually lock ? 2) How/When does a EC become the databases active editing context ? Someplace inside of saveChanges() after / when it locks the DBContext 3) How/When is it no longer considered the databases active editing context ? When the save finished (with or without error) and the EC unlocks the DBContext 4) Should it be possible for an EC to be the active one across multiple RR Loops ? And if so why ? No. Dam cause this the behavior we are defiantly seeing. We are now logging out the creation of all EC's with the application. So for example the EC that was considered the active EC in the error I sent through was created 6 minutes before it caused the error and had successfully saved etc etc in between times. And when you thrown in the fact that this will only occasionally happen and only when there is more than 1 person on the site at a time, it becomes more confusing still ( and a pain in the butt to produce and track down the cause ). 5) Is there only one databases active editing context for each instance of the application or is it one per session ? There will be zero or one per EOF stack. Usually there is one EOF stack per instance. Yup thats what I thought. So any other EC's that call save changes at this time will sit in a que I assume and be executed when the lock is released ? Pierre Frisch and I were looking at this during WWDC. We came to the conclusion that the error you are seeing is not possible :-) Yeah I sat down with Daryl Lee at one of the hands on labs and he also said something similar. except when you form relationships across editing contexts. I recall that you have checked this and verified that you are not doing this. Well, not quite not possible. The only thing we could come up with is that Java is running out of memory during saveChanges() and leaving EOF in an insane state. Your description above fits this theory exactly. It does not at all fit the "relationships across editing contexts" theory. Have you checked the app logs of OutOfMemory and message about heap space? Yup logs checked. When have no messages about being out of memory or anything regarding the heap space ( the app has around 500 Meg assigned to it I believe ) ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Back To Basics : Databases Active Editing Context
Hi All,
We're still trying to track down the issue with one Editing Context
somehow getting itself permanently attached as the Databases Active
Editing Context. In fact we have an instance of it where it produces
this error :
Cannot obtain globalId for an object which is registered in an other
than the databaseContext's active editingContext, object: Researcher:
(Active_Name=Peter Newnam {rowID=28082;}, databaseContext:
[EMAIL PROTECTED], object's
editingContext:
[EMAIL PROTECTED],
databaseContext's active editingContext:
[EMAIL PROTECTED]
And then keept the session alive for 24 hours ( at which point we
restarted Tomcat) and was considered the active editing context for
that whole time, which meant that no one else could log into the
system, thankfully this was on our Test Server.
So Im going back to basics, just in case I missed something or my
understanding of these things is flawed :
1) What exactly is the Databases active editing context ?
2) How/When does a EC become the databases active editing context ?
3) How/When is it no longer considered the databases active editing
context ?
4) Should it be possible for an EC to be the active one across
multiple RR Loops ? And if so why ?
5) Is there only one databases active editing context for each
instance of the application or is it one per session ?
Owen McKerrow
WebMaster, emlab
Ph : +61 02 4221 5517
http://emlab.uow.edu.au
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - -
People who prefer typing to pointing then seem to prefer acronyms to
save typing :-)
-Denis Stanton, On people using Command Line Interfaces
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Getting Docs out of EOModel with WOLips
Hi All, I was wondering if there is any way to get the documentation that one writes into the Doc's area of Entities, Attributes and Relationships inside Entity Modeler to be included in the java files that it spits out ? Im currently using _WonderEntity.java and WonderEntity.java as my template files. Is it a setting/change I need to make in these to get it to happen ? Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 'The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time and still be able to function.' -F.Scott Fitzgerald, ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: WOLips : Display Group Component ?
Thanks David and Louis, Yeah I found this before, it was more the auto-generation of the pages html and wod file with bindings hooked up to already use the display-group that I was after. Its OK will do by hand. Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - People who prefer typing to pointing then seem to prefer acronyms to save typing :-) -Denis Stanton, On people using Command Line Interfaces On 23/05/2008, at 12:11 PM, David Holt wrote: No "wizard" but this is what we've got: http://wiki.objectstyle.org/confluence/display/WO/Web+Applications- Development-WODisplayGroup David On 22-May-08, at 6:51 PM, Owen McKerrow wrote: Hi All, Is there an equivalent "wizard" to xCodes Display Group Component under eclipse/wolips ? Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 'The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time and still be able to function.' -F.Scott Fitzgerald, ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/ programmingosx%40mac.com This email sent to [EMAIL PROTECTED] ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
WOLips : Display Group Component ?
Hi All, Is there an equivalent "wizard" to xCodes Display Group Component under eclipse/wolips ? Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 'The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time and still be able to function.' -F.Scott Fitzgerald, ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Tracking EC Locking Issues when using MultiECLockManager and LockErrorScreamerEditingContext
Hi Chuck,
The extra lock is coming from the _awakeInContext of the session.
java.lang.Throwable
at edu.uow.ris.framework.LockErrorScreamerEditingContext._trace
(LockErrorScreamerEditingContext.java:117)
at edu.uow.ris.framework.LockErrorScreamerEditingContext.lock
(LockErrorScreamerEditingContext.java:59)
at com.webobjects.appserver.WOSession._awakeInContext(WOSession.java:
717)
at com.webobjects.appserver.WOApplication.restoreSessionWithID
(WOApplication.java:1550)
at
com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWit
hPreparedApplication(WOComponentRequestHandler.java:314)
at
com.webobjects.appserver._private.WOComponentRequestHandler._handleReque
st(WOComponentRequestHandler.java:358)
at
com.webobjects.appserver._private.WOComponentRequestHandler.handleReques
t(WOComponentRequestHandler.java:435)
at com.webobjects.appserver.WOApplication.dispatchRequest
(WOApplication.java:1306)
at Application.dispatchRequest(Application.java:353)
at com.webobjects.appserver._private.WOWorkerThread.runOnce
(WOWorkerThread.java:173)
at com.webobjects.appserver._private.WOWorkerThread.run
(WOWorkerThread.java:254)
at java.lang.Thread.run(Thread.java:613)
And the ec is trying to be disposed of from the _sleepInContext
java.lang.Throwable
at edu.uow.ris.framework.LockErrorScreamerEditingContext._trace
(LockErrorScreamerEditingContext.java:117)
at edu.uow.ris.framework.LockErrorScreamerEditingContext.goodbye
(LockErrorScreamerEditingContext.java:93)
at edu.uow.ris.framework.LockErrorScreamerEditingContext.dispose
(LockErrorScreamerEditingContext.java:100)
at com.webobjects.appserver.WOSession._sleepInContext(WOSession.java:
729)
at com.webobjects.appserver.WOApplication.saveSessionForContext
(WOApplication.java:1514)
at
com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWit
hPreparedApplication(WOComponentRequestHandler.java:329)
at
com.webobjects.appserver._private.WOComponentRequestHandler._handleReque
st(WOComponentRequestHandler.java:358)
at
com.webobjects.appserver._private.WOComponentRequestHandler.handleReques
t(WOComponentRequestHandler.java:435)
at com.webobjects.appserver.WOApplication.dispatchRequest
(WOApplication.java:1306)
at Application.dispatchRequest(Application.java:353)
at com.webobjects.appserver._private.WOWorkerThread.runOnce
(WOWorkerThread.java:173)
at com.webobjects.appserver._private.WOWorkerThread.run
(WOWorkerThread.java:254)
at java.lang.Thread.run(Thread.java:613)
Here is my Session's sleep and terminate methods :
public void sleep()
{
// Need to check as this gets called after terminate() when logging
out
try {
synchronized (ecLockManager)
{
if (ecLockManager().isLocked())
{
ecLockManager().unlock();
}
}
}
finally {
super.sleep();
}
}
/**
* Unlock lock manager and diagnostic messages.
*/
public void terminate()
{
// Need to make sure this is unlocked so that editing contexts
nested in the defaultEditingContext
// don't hold locks on it when it gets disposed
try {
synchronized (ecLockManager) {
if (ecLockManager().isLocked())
{
ecLockManager().unlock();
}
}
}
finally {
super.terminate();
}
}
And just for good measure heres the constructor :
public Session() throws Exception
{
super();
log.info("\tSession has been created.\t" + sessionID());
numAccessInLastMinute = 1;
timeSinceLastCalled = new NSTimestamp();
ecLockManager = new MultiECLockManager();
setDefaultEditingContext(new LockErrorScreamerEditingContext());
}
I don't understand why the _sleepInContext is disposing of the ec
without the call to unlock it.
Owen McKerrow
WebMaster, emlab
Ph : +61 02 4221 5517
http://emlab.uow.edu.au
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - -
"I like the way this project has somehow, against all common sense,
got itself made."
- Peter Jackson, "The Lord of The Rings"
On 21/05/2008, at 8:08 AM, Chuck Hill wrote:
On May 18, 2008, at 8:41 PM, Owen McKerrow wrote:
Hi All,
In an effort to track down my locking issues I implemented the
LockErrorScreamerEditingContext but unfortunately its not going to
be as useful as I had hope
Re: Tracking EC Locking Issues when using MultiECLockManager and LockErrorScreamerEditingContext
In an effort to track down my locking issues I implemented the LockErrorScreamerEditingContext but unfortunately its not going to be as useful as I had hoped. I changed my MultiECLockManager to use a LockErrorScreamerEditingContext but of course this means that every lock will come from it, so when I get errors like the one below, the original stack trace that it prints out will always be from WOSession._awakeInContext. So does anyone have any other suggestions as to how I go about tracking down where this mismatched lock is coming from ? A bit of a tangent, but I believe you mentioned that you're migrating to Wonder recently. So, as ERXEC handles locking automatically (with the correct properties defined) you might want to limit your manual locking/unlocking to background/long-response threads. ERXEC prints out an error log if an ec locking mismatch occurred. with regards, -- Lachlan Deck er.extensions.ERXApplication.useEditingContextUnlocker=true er.extensions.ERXEC.defaultAutomaticLockUnlock=true er.extensions.ERXEC.useSharedEditingContext=false er.extensions.ERXEC.defaultCoalesceAutoLocks=true Hi Lachlan, Unfortunately its not this project thats going to Wonder ( it is in fact a brand new project that we are starting to use wonder on). Currently is not an option to convert the current project which is causing the problem over to Wonder. Although I do have to ask, how much "wonderizing" would I have to do to just get the ERXEC portion of Wonder into a non wonder app ? As part of implementing the LockErrorScreamerEditingContext I went back through and removed all manual locks() and unlocks(). So in theory the MultiECLockManager is now managing all the locks, with every EC being created through the MultiECLockManager newEditingContext method. So its somewhat worrying that any problems with locking are occuring, but I'll keep digging. Any other ideas out there ? Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - People who prefer typing to pointing then seem to prefer acronyms to save typing :-) -Denis Stanton, On people using Command Line Interfaces ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: [OT] Mikes Magic Click
Hi Jake, Yup thats the trick. Hold down the Command Key and it works ! Thanks! Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "As of tomorrow, employees will only be able to access the building using individual security cards. Pictures will be taken next Wednesday employees will receive their cards in two weeks." - "Dilbert Quotes" Winner, Fred Dales, Microsoft Corp On 19/05/2008, at 4:22 PM, Jake MacMullin wrote: I think you need to hold down 'command' when you click... (but it is only in recent builds) Cheers, Jake On 19/05/2008, at 4:17 PM, Owen McKerrow wrote: ( NOTE : This is referring to eclipse ) Hi All, I was just watching Mikes Ajax movie ( http:// webobjects.mdimension.com/wonder/screencasts/TinyAjaxApp.mov ) and noticed that at around the 1 min 30 sec mark he creates a new WOString in the .wod file with a value of currentTime and then clicks on it which brings up a floating window which allows him to add it as a key to the java class. Now Im wondering is there a preference I have to turn on somewhere to get this feature or is it something that one gets if there brave enough to go with the nightly builds ? Im currently using WOLips 3.3.5 under eclipse 3.3.2 Thanks Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - People who prefer typing to pointing then seem to prefer acronyms to save typing :-) -Denis Stanton, On people using Command Line Interfaces ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/jmacmullin% 40mac.com This email sent to [EMAIL PROTECTED] ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
[OT] Mikes Magic Click
( NOTE : This is referring to eclipse ) Hi All, I was just watching Mikes Ajax movie ( http:// webobjects.mdimension.com/wonder/screencasts/TinyAjaxApp.mov ) and noticed that at around the 1 min 30 sec mark he creates a new WOString in the .wod file with a value of currentTime and then clicks on it which brings up a floating window which allows him to add it as a key to the java class. Now Im wondering is there a preference I have to turn on somewhere to get this feature or is it something that one gets if there brave enough to go with the nightly builds ? Im currently using WOLips 3.3.5 under eclipse 3.3.2 Thanks Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - People who prefer typing to pointing then seem to prefer acronyms to save typing :-) -Denis Stanton, On people using Command Line Interfaces ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Tracking EC Locking Issues when using MultiECLockManager and LockErrorScreamerEditingContext
Hi All, In an effort to track down my locking issues I implemented the LockErrorScreamerEditingContext but unfortunately its not going to be as useful as I had hoped. I changed my MultiECLockManager to use a LockErrorScreamerEditingContext but of course this means that every lock will come from it, so when I get errors like the one below, the original stack trace that it prints out will always be from WOSession._awakeInContext. So does anyone have any other suggestions as to how I go about tracking down where this mismatched lock is coming from ? 13:26:40,676 !!! EC HashCode :13694334 editing context being disposed with 1 locks. 13:26:40,677 !!! Most recently locked by: java.lang.Throwable at edu.uow.ris.framework.LockErrorScreamerEditingContext._trace (LockErrorScreamerEditingContext.java:114) at edu.uow.ris.framework.LockErrorScreamerEditingContext.lock (LockErrorScreamerEditingContext.java:57) at com.webobjects.appserver.WOSession._awakeInContext(WOSession.java: 717) at com.webobjects.appserver.WOApplication.restoreSessionWithID (WOApplication.java:1550) at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWit hPreparedApplication(WOComponentRequestHandler.java:314) at com.webobjects.appserver._private.WOComponentRequestHandler._handleReque st(WOComponentRequestHandler.java:358) at com.webobjects.appserver._private.WOComponentRequestHandler.handleReques t(WOComponentRequestHandler.java:435) at com.webobjects.appserver.WOApplication.dispatchRequest (WOApplication.java:1306) at Application.dispatchRequest(Application.java:353) at com.webobjects.appserver._private.WOWorkerThread.runOnce (WOWorkerThread.java:173) at com.webobjects.appserver._private.WOWorkerThread.run (WOWorkerThread.java:254) at java.lang.Thread.run(Thread.java:613) Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "As of tomorrow, employees will only be able to access the building using individual security cards. Pictures will be taken next Wednesday employees will receive their cards in two weeks." - "Dilbert Quotes" Winner, Fred Dales, Microsoft Corp ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Strange Red X's in Eclipse
Hi All, Well I've finally jumped ship and am starting to use Eclipse/WOLips, and yes even Wonder :) So heres my first question. Anyone know what the little red x ( see pic ) means thats appeared on top of everyone of my model java files ? Steps before this happened ( never mind why I did these steps, its slightly crazy, wanted fresh copy of the files ) 1) Committed all changes to SVN ( using Subclipse ) 2) Trashed all the files 3) Saved the Model again, which re auto generated all the files. Using Eclipse 3.2.2 Subclipse 1.2.4 WOLips 3.3.5 Wonder 5.3 <> Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - People who prefer typing to pointing then seem to prefer acronyms to save typing :-) -Denis Stanton, On people using Command Line Interfaces ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Suggestions for Best Practices session at WOWODC?
What about something on WOOgnl ? Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "As of tomorrow, employees will only be able to access the building using individual security cards. Pictures will be taken next Wednesday employees will receive their cards in two weeks." - "Dilbert Quotes" Winner, Fred Dales, Microsoft Corp On 14/05/2008, at 1:59 PM, Chuck Hill wrote: Hi All, I wanted to solicit some ideas and suggestions for this session. My current thought is to have a selection of practices which I will present and then get comments (debate) from the other members of the panel. The idea being that we don't all see them with the same eyes and some of them are likely to provoke some spirited discussion (not to mention the obligatory "If you are using Wonder..." comments). I'd like to think of them as "Quite Good" rather than "Best" practices. I'll leave some time at the end for audience questions. Some ideas for inclusion are: - using EOPrototypes - use of peer and nested editing contexts and the then needed locking of editing contexts - generate your EOs and use the Generation gap pattern (though with Entity modeler, you have to fight to not do this) - use generation to create common worker methods - generate String constants to avoid hard coding attribute and relationship names - use qualifiers objects rather than qualifierWithFormat - check for null in awakeFromInsertion (mostly a JavaClient issue) - avoid EOAccess classes in your EO methods - use stateless components and store state in the page - handling checked exceptions with NSForwardException - keep WOComponent Java files focused on the UI - watch the generated SQL (for batch fetching and optimization index needs) - using formatters for reusability - don't repeat yourself, use common build files - block direct page requests - use class name to create component - plan to handle errors from saveChanges() - use custom EOGenericRecord subclass - use embedded frameworks Things that are best practices, but can't be covered properly: - use Wonder - use source control - use log4j - unit testing (TestNG or JUnit) - functional testing (Selenium) Chuck -- Practical WebObjects - for developers who want to increase their overall knowledge of WebObjects or who are trying to solve specific problems. http://www.global-village.net/products/practical_webobjects ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/owen% 40uow.edu.au This email sent to [EMAIL PROTECTED] ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Unable to release locks when using MultiECLockManager
On 01/05/2008, at 1:27 PM, Chuck Hill wrote: Im willing to "donate" this problem to your "Best pratices" session at WOWODC Chuck, so that you can give us a real life example ; ) :-) Chuck So I take it from that smile then that you would be happy to. Great I'll start taring up the project straight away. : P Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 'The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time and still be able to function.' -F.Scott Fitzgerald, ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Unable to release locks when using MultiECLockManager
Hi Again,
Please see below
Owen McKerrow
WebMaster, emlab
Ph : +61 02 4221 5517
http://emlab.uow.edu.au
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - -
'The test of a first-rate intelligence is the ability to hold two
opposed ideas in the mind at the same time and still be able to
function.'
-F.Scott Fitzgerald,
On 30/04/2008, at 3:05 PM, Chuck Hill wrote:
On Apr 29, 2008, at 6:25 PM, Owen McKerrow wrote:
Hi Art,
Thats sounds like word for word the practices that we follow.
Although I did just double check the code to make sure and I found
a couple of places which had manual lock/unlock's in them which
should not have.
From Session.java
public void awake()
{
ecLockManager().lock();
super.awake();
.
public void sleep()
{
// Need to check as this gets called after terminate() when
logging out
synchronized (ecLockManager)
{
if (ecLockManager().isLocked())
{
ecLockManager().unlock();
}
}
super.sleep();
}
I wrap anything other than super in try...catch(Throwable),
just in case.
Now this may be a basic Java question and I tried to ask it
yesterday, but probably in a very poor fashion.
When your dealing with overriding a method and the original method
does not throw an exception, but you do in your over-ride you receive
a compile error something like
"terminate() in Session cannot override terminate() in Session;
overridden method does not throw java.lang.Exception"
Which means that any exceptions that are thrown you need to deal
with them at this methods level, correct ? Or is there a way to throw
them without this message appearing
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Re: Unable to decrement snapshot count ....count is already 0 or does not exist
Hi Chuck, Thanks for the reply. For some strange reason a number of your emails ( including this one ) have been flagged as spam by our filter so this has just arrived after sitting in quarantine. Anyways see below Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "As of tomorrow, employees will only be able to access the building using individual security cards. Pictures will be taken next Wednesday employees will receive their cards in two weeks." - "Dilbert Quotes" Winner, Fred Dales, Microsoft Corp On 25/04/2008, at 9:27 AM, Chuck Hill wrote: Hi Owen, On Apr 23, 2008, at 4:16 PM, Owen McKerrow wrote: Hi All, One of our apps when down yesterday and on trawling through the log files I found 8 instances of the error : is unable to decrement snapshot count for object with global ID _EOIntegralKeyGlobalID[PublicationKeyword (java.lang.Long)151400] - count is already 0 or this snapshot doesn't exist ( see full stack trace below ). All appear to have come from the same saveChanges() call. Also note each time it occurred it was for a separate object. Each of the objects had been created about 13 minutes before the errors e.g. 2008,04.23 15: :56,420 "INSERT INTO PUB_KEYWORD(pub_keyword, KEYWORD, pub) VALUES (?, ?, ?)" withBindings: 1:151400 (publicationKeyWordID), 2:"proteins"(keyword), 3:23092 (publicationID)> Anyone have any suggestions as to what may have caused this ? i.e. what sort of things I should be looking for in the code. The app has been running for almost 2 years now and this is the first time we've had this problem ( in fact its the first time I have seen it in 10 years of WO development ). As always all comments/questions/feedback welcome. No specific suggestions. Are you synchronizing EOs across instances? No. Single instance, deployed under Tomcat. Are you using multiple EOF stacks within one instance? No. Improper locking might cause this. Running out of memory could too. Nothing else comes to mind other than some sort of horrible EOF abuse like trying to use a disposed EC. Possible, but I would not have done that intentionally. I don't know if that would cause this, but maybe something like that. I _have_ seen this before, but not recently. A search of the lists makes reference to this back in the days of 5.2.2 ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Unable to release locks when using MultiECLockManager
On 30/04/2008, at 3:09 PM, Chuck Hill wrote:
On Apr 29, 2008, at 8:08 PM, Art Isbell wrote:
On Apr 29, 2008, at 4:47 PM, Owen McKerrow wrote:
I remember discussing MultiECLockManager on list last year with
chuck Hill ( http://lists.apple.com/archives/Webobjects-dev/2007/
Apr/msg00609.html ) who pointed out that he'd tweaked
MultiECLockManager inside his GVCWOExtensions framework. So thats
where this version comes from.
Ah, well it's not identical to the original version which is what
I'm using, so I'll let Chuck comment.
Jon and I had different ideas on how we wanted to integrate this
functionality into our applications. I made some changes to
support what I wanted. The basic code should be the same. We have
used this class in all of the apps we have written for some years
now. We never see the error that Owen is seeing. Thus, I suspect
the origin of the problem lies in his code.
I have no doubt it is : )
Theoretically, the condition that would result in unlock() being
invoked should be prevented by the isLocked() test, so an uncaught
exception may be unlikely. But I always include super.terminate()
in a finally clause because of the importance of it being invoked.
Amen. A better approach than my try...catch (Throwable).
OK how do I add this then ? i.e. how do I deal with any exceptions
that may be caused inside the try. My initial approach ( see below )
has the obvious problem ( ohh for some sleep and its only 3:30 in
the afternoon ) of "Unreported exception java.lang.Exception; must be
caught or declared to be thrown".
public void terminate()
{
// Need to make sure this is unlocked so that editing contexts
nested in the defaultEditingContext
// don't hold locks on it when it gets disposed
try {
synchronized (ecLockManager) {
if (ecLockManager().isLocked())
{
ecLockManager().unlock();
}
}
} catch ( Exception ex ) {
throw ex;
}
finally {
super.terminate();
}
}
Your original problem appears to be caused by your code not
unlocking an editing context somehow. You've found a couple of
editing contexts that weren't being manually locked/unlocked
inappropriately. Might this have caused the Finalizer problem?
That is my suspicion also. Some other, previous exception left a
locked EC hanging around. When it got garbage collected, the
errors that Owen is seeing are the result.
So I take it from that statement that I will need to track down any
exceptions that are being made and not handled correctly ?
Im willing to "donate" this problem to your "Best pratices" session
at WOWODC Chuck, so that you can give us a real life example ; )
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Re: Unable to release locks when using MultiECLockManager
The were only 2 of them.
One was .
ec.lock();
ec.revert();
ec.unlock();
The Other was making a display group ( all be it my tweaked version
of one ).
getEc().lock();
rfcdDisplayGroup = new OMDisplayGroup( 10, 1, "RFCD", getEc
(), null, null );
EODatabaseDataSource dataSource = (EODatabaseDataSource)
rfcdDisplayGroup.dataSource( );
dataSource.setFetchSpecificationByName( "getAll" );
rfcdDisplayGroup.qualifyDataSource( );
getEc().unlock();
So no I don't think either of these would cause an issue.
There is one method in the app that creates its own EOEditingContext
which is not registered with the MultiECLockManager, but it a
ec.unlock() in the finallly() section of its try catch block.
finally{
if ( ec != null ) {
ec.unlock();
ec.dispose();
}
}
I checked yesterdays logs and it occurred 31 times and in fact in a
couple of places its closely followed by a
2008,04.29 15:54:14,768 DEBUG [Finalizer] (Log.NSLogDebug:1546
appendln) - decrementSnapshotCountForGlobalID:
com.webobjects.eoaccess.EODatabase
[EMAIL PROTECTED] -- is unable to decrement
snapshot count for object with global ID _EOIntegralKeyGlobalID
[External (java.lang.Long)10194] - count is already 0 or this
snapshot doesn't exist
2008,04.29 15:54:14,769 DEBUG [Finalizer] (Log.NSLogDebug:1546
appendln) -
java.lang.RuntimeException: Unable to decrement snapshot count for
object with global ID _EOIntegralKeyGlobalID[External (java.lang.Long)
10194] - count is already 0 or this snapshot doesn't exist
at
com.webobjects.eoaccess.EODatabase.decrementSnapshotCountForGlobalID
(EODatabase.java:1150)
at
com.webobjects.eoaccess.EODatabaseContext.editingContextDidForgetObjectW
ithGlobalID(EODatabaseContext.java:3752)
at
com.webobjects.eocontrol.EOObjectStoreCoordinator.editingContextDidForge
tObjectWithGlobalID(EOObjectStoreCoordinator.java:665)
at
com.webobjects.eocontrol.EOEditingContext.editingContextDidForgetObjectW
ithGlobalID(EOEditingContext.java:3921)
at com.webobjects.eocontrol.EOEditingContext._forgetObject
(EOEditingContext.java:1536) at
com.webobjects.eocontrol.EOEditingContext._dispose
(EOEditingContext.java:1123)
at com.webobjects.eocontrol.EOEditingContext.finalize
(EOEditingContext.java:1178)
at java.lang.ref.Finalizer.invokeFinalizeMethod(Native Method)
at java.lang.ref.Finalizer.runFinalizer(Finalizer.java:83)
at java.lang.ref.Finalizer.access$100(Finalizer.java:14)
at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:160)
This concerns me, as from the stack trace both problems occur deep in
the bowls of webobjects, which from the looks of things is inside a
try/catch block, which logs out the error but doesn't then throw it.
It seems to me that its almost treating these errors as warnings, not
real exceptions. Or am I misunderstanding what's going on here ?
Owen McKerrow
WebMaster, emlab
Ph : +61 02 4221 5517
http://emlab.uow.edu.au
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - -
People who prefer typing to pointing then seem to prefer acronyms to
save typing :-)
-Denis Stanton, On people using Command Line Interfaces
On 30/04/2008, at 1:08 PM, Art Isbell wrote:
On Apr 29, 2008, at 4:47 PM, Owen McKerrow wrote:
I remember discussing MultiECLockManager on list last year with
chuck Hill ( http://lists.apple.com/archives/Webobjects-dev/2007/
Apr/msg00609.html ) who pointed out that he'd tweaked
MultiECLockManager inside his GVCWOExtensions framework. So thats
where this version comes from.
Ah, well it's not identical to the original version which is what
I'm using, so I'll let Chuck comment.
The header in my version of MultiECLockManager makes no mention
of sending a MultiECLockManager object an unlock() message in
Session.terminate(), so I don't do this. However, if you do this
and there's no matching lock() invocation, MultiECLockManager
will throw an exception (maybe MultiECLockManager.isLocked()
would prevent this from occurring). You're not catching this
exception in terminate() and aren't invoking super.terminate() in
a finally block, so if an exception is thrown, super.terminate()
won't be invoked which can cause nasty problems.
So at minimum I should shift this into a try{} catch{} block ?
Theoretically, the condition that would result in unlock() being
invoked should be prevented by the isLocked() test, so an uncaught
exception may be unlikely. But I always include super.terminate()
in a finally clause because of the importance of it being invoked.
Your original problem appears to be caused by your code not
unlocking an editing context somehow. You've found a couple of
editing contexts that weren't being manually locked/unlocked
inappropriately. Might this hav
Re: Unable to release locks when using MultiECLockManager
On 30/04/2008, at 12:07 PM, Art Isbell wrote:
On Apr 29, 2008, at 3:25 PM, Owen McKerrow wrote:
public void sleep()
{
// Need to check as this gets called after terminate() when
logging out
synchronized (ecLockManager)
{
if (ecLockManager().isLocked())
{
ecLockManager().unlock();
}
}
super.sleep();
}
Hmm, the version of MultiECLockManager that I use doesn't
implement isLocked(), so I don't know what isLocked()
accomplishes. The only public methods are lock(), unlock(),
registerEditingContext(), and unregisterEditingContext(), and I
never send a MultiECLockManager object an unregisterEditingContext
() message (it's not necessary).
I remember discussing MultiECLockManager on list last year with chuck
Hill ( http://lists.apple.com/archives/Webobjects-dev/2007/Apr/
msg00609.html ) who pointed out that he'd tweaked MultiECLockManager
inside his GVCWOExtensions framework. So thats where this version
comes from.
Also, in the MultiECLockManager that I use, lock() and unlock()
are synchronized methods, so I don't understand why you are
invoking unlock() in a synchronized block.
public void terminate()
{
// Need to make sure this is unlocked so that editing
contexts nested in the defaultEditingContext
// don't hold locks on it when it gets disposed
synchronized (ecLockManager)
{
if (ecLockManager().isLocked())
{
ecLockManager().unlock();
}
}
super.terminate();
}
The header in my version of MultiECLockManager makes no mention of
sending a MultiECLockManager object an unlock() message in
Session.terminate(), so I don't do this. However, if you do this
and there's no matching lock() invocation, MultiECLockManager will
throw an exception (maybe MultiECLockManager.isLocked() would
prevent this from occurring). You're not catching this exception
in terminate() and aren't invoking super.terminate() in a finally
block, so if an exception is thrown, super.terminate() won't be
invoked which can cause nasty problems.
So at minimum I should shift this into a try{} catch{} block ?
Aloha,
Art
Here is a copy of the MultiECLockManager.java file
MultiECLockManager.java
Description: Binary data
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Re: Unable to release locks when using MultiECLockManager
Hi Art,
Thats sounds like word for word the practices that we follow.
Although I did just double check the code to make sure and I found a
couple of places which had manual lock/unlock's in them which should
not have.
From Session.java
public void awake()
{
ecLockManager().lock();
super.awake();
.
public void sleep()
{
// Need to check as this gets called after terminate() when logging
out
synchronized (ecLockManager)
{
if (ecLockManager().isLocked())
{
ecLockManager().unlock();
}
}
super.sleep();
}
public void terminate()
{
// Need to make sure this is unlocked so that editing
contexts nested in the defaultEditingContext
// don't hold locks on it when it gets disposed
synchronized (ecLockManager)
{
if (ecLockManager().isLocked())
{
ecLockManager().unlock();
}
}
super.terminate();
}
Owen McKerrow
WebMaster, emlab
Ph : +61 02 4221 5517
http://emlab.uow.edu.au
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - -
'The test of a first-rate intelligence is the ability to hold two
opposed ideas in the mind at the same time and still be able to
function.'
-F.Scott Fitzgerald,
On 30/04/2008, at 10:56 AM, Art Isbell wrote:
On Apr 29, 2008, at 2:24 PM, Owen McKerrow wrote:
Sorry all, I should have specified that further. Has anyone seen
it whilst using MultiECLockManager ?
No, but you must use MultiECLockManager correctly. Are you
invoking MultiECLockManager.unlock() in Session.sleep() before any
statement that might throw an exception that would result in
MultiECLockManager.unlock() not being invoked?
I let MultiECLockManager handle the locking/unlocking of all
editing contexts that aren't WOSession's defaultEditingContext()
and that aren't stored in a local variable (i.e., the scope editing
context is limited to the method in which it is created). I lock/
unlock local editing contexts myself ensuring that they're unlocked:
EOEditingContext ec = new EOEditingContext();
ec.lock();
try {
// Do stuff
}
finally {
ec.unlock();
}
This approach hasn't resulted in any illegal lock usage exceptions.
Aloha,
Art
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Re: Unable to release locks when using MultiECLockManager
Sorry all, I should have specified that further. Has anyone seen it whilst using MultiECLockManager ? Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "I like the way this project has somehow, against all common sense, got itself made." - Peter Jackson, "The Lord of The Rings" On 30/04/2008, at 10:13 AM, Owen McKerrow wrote: Hi All, Trawling through my log files I have found a number of instances of the following 2008,04.29 06:12:47,595 OFF [Finalizer] (Log.NSLogErr:1546 appendln) - Unable to release locks held by a deallocated EOEditingContext. 2008,04.29 06:12:47,596 DEBUG [Finalizer] (Log.NSLogDebug:1546 appendln) - java.lang.IllegalStateException: Illegal Lock usage: unlocking thread not owner. at com.webobjects.foundation.NSRecursiveLock.unlock (NSRecursiveLock.java:207) at com.webobjects.eocontrol.EOEditingContext.unlock (EOEditingContext.java:4720) at com.webobjects.eocontrol.EOEditingContext._dispose (EOEditingContext.java:1158) at com.webobjects.eocontrol.EOEditingContext.finalize (EOEditingContext.java:1178) at java.lang.ref.Finalizer.invokeFinalizeMethod(Native Method) at java.lang.ref.Finalizer.runFinalizer(Finalizer.java:83) at java.lang.ref.Finalizer.access$100(Finalizer.java:14) at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:160) Im using MultiECLockManager to handle all the locking and unlocking, so Im wondering if anyone else has seen this kind of error and what I can do to chase it up. Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - People who prefer typing to pointing then seem to prefer acronyms to save typing :-) -Denis Stanton, On people using Command Line Interfaces ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/owen% 40uow.edu.au This email sent to [EMAIL PROTECTED] ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Unable to release locks when using MultiECLockManager
Hi All, Trawling through my log files I have found a number of instances of the following 2008,04.29 06:12:47,595 OFF [Finalizer] (Log.NSLogErr:1546 appendln) - Unable to release locks held by a deallocated EOEditingContext. 2008,04.29 06:12:47,596 DEBUG [Finalizer] (Log.NSLogDebug:1546 appendln) - java.lang.IllegalStateException: Illegal Lock usage: unlocking thread not owner. at com.webobjects.foundation.NSRecursiveLock.unlock(NSRecursiveLock.java: 207) at com.webobjects.eocontrol.EOEditingContext.unlock (EOEditingContext.java:4720) at com.webobjects.eocontrol.EOEditingContext._dispose (EOEditingContext.java:1158) at com.webobjects.eocontrol.EOEditingContext.finalize (EOEditingContext.java:1178) at java.lang.ref.Finalizer.invokeFinalizeMethod(Native Method) at java.lang.ref.Finalizer.runFinalizer(Finalizer.java:83) at java.lang.ref.Finalizer.access$100(Finalizer.java:14) at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:160) Im using MultiECLockManager to handle all the locking and unlocking, so Im wondering if anyone else has seen this kind of error and what I can do to chase it up. Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - People who prefer typing to pointing then seem to prefer acronyms to save typing :-) -Denis Stanton, On people using Command Line Interfaces ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Getting all Session Objects From Application
Hi All, I have an app that needs to display all of the people who are currently logged in. Session has an instance of Person in it, which represents who's logged into that session. Now what I wanted to do was have a method in Application which returned an array of the people it gathered from each of its sessions. Now the thing I can't figure out is how to get an array of Sessions from Application. I can ask the Application for its WOSessionStore, but I can't seem to get a Session out of this without either a Session ID or a WORequest. Is there anyway to do what Im after ? Another approach would be to manually keep a "static" list of people who have logged in inside Application, which is updated on Log-In and again on Log Out or session.terminate(). But it would be quite easy to get into a situation where this list gets out of sync ( say if someone doesn't log out, and logs in again a second time, you may end up with 2 of the person in the list, or just one, but it disappears when their first session times out ). Anyways thats why I wanted to go with a "dynamic" listing from Application itself. Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 'The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time and still be able to function.' -F.Scott Fitzgerald, ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Unable to decrement snapshot count ....count is already 0 or does not exist
Hi All, One of our apps when down yesterday and on trawling through the log files I found 8 instances of the error : is unable to decrement snapshot count for object with global ID _EOIntegralKeyGlobalID [PublicationKeyword (java.lang.Long)151400] - count is already 0 or this snapshot doesn't exist ( see full stack trace below ). All appear to have come from the same saveChanges() call. Also note each time it occurred it was for a separate object. Each of the objects had been created about 13 minutes before the errors e.g. 2008,04.23 15: :56,420 "INSERT INTO PUB_KEYWORD(pub_keyword, KEYWORD, pub) VALUES (?, ?, ?)" withBindings: 1:151400 (publicationKeyWordID), 2:"proteins"(keyword), 3:23092(publicationID)> Anyone have any suggestions as to what may have caused this ? i.e. what sort of things I should be looking for in the code. The app has been running for almost 2 years now and this is the first time we've had this problem ( in fact its the first time I have seen it in 10 years of WO development ). As always all comments/questions/feedback welcome. Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - People who prefer typing to pointing then seem to prefer acronyms to save typing :-) -Denis Stanton, On people using Command Line Interfaces decrementSnapshotCountForGlobalID: com.webobjects.eoaccess.EODatabase [EMAIL PROTECTED] -- is unable to decrement snapshot count for object with global ID _EOIntegralKeyGlobalID [PublicationKeyword (java.lang.Long)151400] - count is already 0 or this snapshot doesn't exist 2008,04.23 15:43:37,825 DEBUG [http-8968-Processor2] (Log.NSLogDebug: 1546 appendln) - java.lang.RuntimeException: Unable to decrement snapshot count for object with global ID _EOIntegralKeyGlobalID [PublicationKeyword (java.lang.Long)151400] - count is already 0 or this snapshot doesn't exist at com.webobjects.eoaccess.EODatabase.decrementSnapshotCountForGlobalID (EODatabase.java:1150) at com.webobjects.eoaccess.EODatabaseContext.editingContextDidForgetObjectW ithGlobalID(EODatabaseContext.java:3752) at com.webobjects.eocontrol.EOObjectStoreCoordinator.editingContextDidForge tObjectWithGlobalID(EOObjectStoreCoordinator.java:665) at com.webobjects.eocontrol.EOEditingContext.editingContextDidForgetObjectW ithGlobalID(EOEditingContext.java:3921) at com.webobjects.eocontrol.EOEditingContext._processReferenceQueue (EOEditingContext.java:4833) at com.webobjects.eocontrol.EOEditingContext.unlockObjectStore (EOEditingContext.java:4751) at com.webobjects.eocontrol.EOEditingContext.editingContextDidForgetObjectW ithGlobalID(EOEditingContext.java:3923) at com.webobjects.eocontrol.EOEditingContext.editingContextDidForgetObjectW ithGlobalID(EOEditingContext.java:3921) at com.webobjects.eocontrol.EOEditingContext._processReferenceQueue (EOEditingContext.java:4833) at com.webobjects.eocontrol.EOEditingContext._sendOrEnqueueNotification (EOEditingContext.java:4786) at com.webobjects.eocontrol.EOEditingContext._globalIDChanged (EOEditingContext.java:2024) at sun.reflect.GeneratedMethodAccessor215.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at com.webobjects.foundation.NSSelector._safeInvokeMethod (NSSelector.java:120) at com.webobjects.foundation.NSNotificationCenter$_Entry.invokeMethod (NSNotificationCenter.java:601) at com.webobjects.foundation.NSNotificationCenter.postNotification (NSNotificationCenter.java:545) at com.webobjects.foundation.NSNotificationCenter.postNotification (NSNotificationCenter.java:575) at com.webobjects.eocontrol.EOEditingContext._processGlobalIDChanges (EOEditingContext.java:2020) at sun.reflect.GeneratedMethodAccessor216.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at com.webobjects.foundation.NSSelector.invoke(NSSelector.java:354) at com.webobjects.foundation.NSSelector._safeInvokeSelector (NSSelector.java:108) at com.webobjects.eocontrol.EOEditingContext._sendOrEnqueueNotification (EOEditingContext.java:4784) at com.webobjects.eocontrol.EOEditingContext._globalIDChanged (EOEditingContext.java:2024) at sun.reflect.GeneratedMethodAccessor215.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at com.webobjects.foundation.NSSelector._safeInvokeMethod (NSSelector.java:120) at com.webobjects.foundation.NSNotificationCenter$_Entry.invokeMethod (NSNotificationCenter.java:601) at com.webobjects.foundation.NSNotificationCenter.postNotif
Re: The sky is falling! The world is ending! WebObjects is Dead!
On 03/04/2008, at 10:03 AM, David Holt wrote: Darn, you beat me to it! David :-) +1 ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: [OT] Limiting File Upload Sizes
Hi Guys, Thanks for the suggestions. I was after something specifically that stopped the user even trying to upload something so they don't waste time sitting around waiting for something to upload only have it to fail half way through. I will check out Joshua's implementation. Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "I like the way this project has somehow, against all common sense, got itself made." - Peter Jackson, "The Lord of The Rings" On 01/04/2008, at 3:01 PM, Chuck Hill wrote: On Mar 31, 2008, at 6:46 PM, Miguel Arroz wrote: Hi! The KISS solution: configure the maximum size of a request in Apache itself, using the LimitRequestBody option in the configuration. You should find a way to handle nicely the error pages the user will see when submitting a file too large. This of course depends on your setup, if you are doing the upload using some Ajax trickery or not, etc. If you don't want to use the Apache thing, you should be able to do a streaming upload (stream it to disk) and cut off the copying after a certain point. It should be straightforward to return an error message. Chuck On 2008/04/01, at 02:04, Owen McKerrow wrote: Hi All, Just wondering if anyone has any recommendations on what to use to limit the size of files uses upload. Im currently looking at http://swfupload.org/. has anyone had any experience with it, in particular getting it to play nice with a WOApp ? Or is there something better out there ? Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "As of tomorrow, employees will only be able to access the building using individual security cards. Pictures will be taken next Wednesday employees will receive their cards in two weeks." - "Dilbert Quotes" Winner, Fred Dales, Microsoft Corp ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/arroz% 40guiamac.com This email sent to [EMAIL PROTECTED] Miguel Arroz http://www.terminalapp.net http://www.ipragma.com ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/chill% 40global-village.net This email sent to [EMAIL PROTECTED] -- Practical WebObjects - for developers who want to increase their overall knowledge of WebObjects or who are trying to solve specific problems. http://www.global-village.net/products/practical_webobjects ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
[OT] Limiting File Upload Sizes
Hi All, Just wondering if anyone has any recommendations on what to use to limit the size of files uses upload. Im currently looking at http://swfupload.org/. has anyone had any experience with it, in particular getting it to play nice with a WOApp ? Or is there something better out there ? Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "As of tomorrow, employees will only be able to access the building using individual security cards. Pictures will be taken next Wednesday employees will receive their cards in two weeks." - "Dilbert Quotes" Winner, Fred Dales, Microsoft Corp ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
[OT] "...creation and use of Objective-C objects in Java."
Hi All, My father just sent me the following email which came across on the Quicktime for Java mailing list. I thought some of you may be interested. Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "As of tomorrow, employees will only be able to access the building using individual security cards. Pictures will be taken next Wednesday employees will receive their cards in two weeks." - "Dilbert Quotes" Winner, Fred Dales, Microsoft Corp Begin forwarded message: Today's Topics: 1. Announce: Rococoa (Duncan McGregor) - - Message: 1 Date: Mon, 25 Feb 2008 13:05:21 + From: "Duncan McGregor" <[EMAIL PROTECTED]> Subject: Announce: Rococoa To: [EMAIL PROTECTED] Message-ID: <[EMAIL PROTECTED]> Content-Type: text/plain; charset=ISO-8859-1 I think that I hinted a while back that I was working on a Java wrapper for QTKit on the Mac. I'm now pleased to announce that Rococoa has been released as an open source project under LGPL. "Rococoa is a generic Java binding to the Mac Objective-C object system. It allows the creation and use of Objective-C objects in Java, and the implementation of Objective-C interfaces in Java." As part of the Rococoa distribution we wrap some of the QTKit essentials, allowing Mac users to display a movie in a frame, play it, get at its tracks and media etc. Everything is at a very early stage, but it seems solid enough to play with. If you've a Mac and an hour free please do give it a go, as what it needs most is feedback. Rococoa can be found on java.net, here: https://rococoa.dev.java.net Please provide feedback on the user or dev mailing lists, accessible here: https://rococoa.dev.java.net/servlets/ProjectMailingListList Enjoy Duncan -- ___ QuickTime-java mailing list [EMAIL PROTECTED] http://lists.apple.com/mailman/listinfo/quicktime-java End of QuickTime-java Digest, Vol 5, Issue 22 * ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Illegal State Exceptions when using MultiECLockManager
Hi All, Over the past couple of days I have received some emails from one of my apps which is using the MultiECLockManager() to manage its EditingContexts EXCEPTION: java.lang.IllegalStateException: prepareForSaveWithCoordinator: [EMAIL PROTECTED] is currently saving for [EMAIL PROTECTED] so it cannot prepare to save for [EMAIL PROTECTED] [EMAIL PROTECTED] has sources ([EMAIL PROTECTED]) prepareForSaveWithCoordinator: [EMAIL PROTECTED] is currently saving for [EMAIL PROTECTED] so it cannot prepare to save for [EMAIL PROTECTED] [EMAIL PROTECTED] has sources ([EMAIL PROTECTED]) STACK TRACE: at prepareForSaveWithCoordinator(EODatabaseContext.java:5790) at saveChangesInEditingContext(EOObjectStoreCoordinator.java:409) at saveChanges(EOEditingContext.java:3226) at writeToAccessLog(LogHelper.java:101) at appendToResponse(RISFPageComponent.java:47) at appendToResponse(RISPageComponent.java:217) at appendToResponse(WOSession.java:1200) at appendToResponse(Session.java:64) at appendToResponse(WOApplication.java:1418) at appendToResponse(RISApplication.java:286) at appendToResponse(Application.java:96) at _dispatchWithPreparedPage(WOComponentRequestHandler.java:230) at _dispatchWithPreparedSession(WOComponentRequestHandler.java:287) at _dispatchWithPreparedApplication(WOComponentRequestHandler.java:322) at _handleRequest(WOComponentRequestHandler.java:358) What Im not sure of is how it gets into this state if MultiECLockManager() is managing the locks. What sort of thing could cause this message ? What sort of things should I be looking for in my code which might cause this ? Maybe Im over thinking it and its quite simple but at the moment Im drawing a blank and not quite sure where to start. Thanks Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "As of tomorrow, employees will only be able to access the building using individual security cards. Pictures will be taken next Wednesday employees will receive their cards in two weeks." - "Dilbert Quotes" Winner, Fred Dales, Microsoft Corp ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: The EOF How-Do-I-Get-There-From-Here Diagram
Thanks Mike thats great ! Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "As of tomorrow, employees will only be able to access the building using individual security cards. Pictures will be taken next Wednesday employees will receive their cards in two weeks." - "Dilbert Quotes" Winner, Fred Dales, Microsoft Corp On 05/02/2008, at 11:32 AM, Mike Schrag wrote: I ALWAYS forget how to get, say, an adaptor channel when I have an EOModel, or a JDBCPlugIn when I have an EODatabaseContext (or whatever it might be), so here is the official unofficial graph of interesting EOF classes and how you navigate between them: ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/owen% 40uow.edu.au This email sent to [EMAIL PROTECTED] ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Problems with xcodebuild
Hi All, We're having a problem with a project that build fine from with in xCode itself. However when we do a xcodebuild from the command line things go a little haywire. That is it can' find any of the classes. Here's and example of the output. Any ideas on why we get different behavior from the 2 build methods ? And how/what do I need to fix so it works from the command line again. symbol : class Person location: class edu.uow.emlab.time2bhealthy.Session protected Person currentPerson; ^ entities/edu/uow/emlab/time2bhealthy/Session.java:23: cannot resolve symbol symbol : class Person location: class edu.uow.emlab.time2bhealthy.Session protected Person adminPerson; //used to store an admin's person object if logged in as a general user ^ entities/edu/uow/emlab/time2bhealthy/Session.java:82: cannot resolve symbol symbol : class Person location: class edu.uow.emlab.time2bhealthy.Session public Person currentPerson() Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "I like the way this project has somehow, against all common sense, got itself made." - Peter Jackson, "The Lord of The Rings" ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Further Info : Flattened Many To Many grabbing all objects
Hi All,
I've done some more digging. We recently update our project to use
EOGenerator ( using the standard Template files that come with it )
which as Im sure you all know changes the behavior of adding an
object from a method that looks like this :
public void addToAssociatedWebsiteDisplays
(edu.uow.ris.framework.eo.Publication object) {
includeObjectIntoPropertyWithKey(object,
"associatedWebsiteDisplays");
}
to one that looks like this :
public void addToAssociatedWebsiteDisplaysRelationship
(edu.uow.ris.framework.eo.Group object) {
addObjectToBothSidesOfRelationshipWithKey( object,
"associatedWebsiteDisplays" );
}
which is another place where Im seeing the behavior I described in my
first email. If I change the method back to use
includeObjectIntoPropertyWithKey instead of
addObjectToBothSidesOfRelationshipWithKey the load of all the related
objects goes away. So at this stage it seems (?) to be a better
option. However I have always been told use
addObjectToBothSidesOfRelationshipWithKey its better, it knows how to
handle the relationships and sets the reverse one for you, which is
why I assume the standard EOGeneartor template uses it. But is it
worth it with such a performance hit ? Not only do I have 17,000
objects loaded, it also causes about a 30 second slow down when doing
a save.
Anyways just some late Friday afternoon ramblings. Any and all help
would be most appreciated.
Owen McKerrow
WebMaster, emlab
Ph : +61 02 4221 5517
http://emlab.uow.edu.au
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - -
People who prefer typing to pointing then seem to prefer acronyms to
save typing :-)
-Denis Stanton, On people using Command Line Interfaces
On 18/01/2008, at 2:56 PM, Owen McKerrow wrote:
Hi All,
I have a flattened many to many relationship between two table
Group and Publication, called AssociatedWebsites. Now when I call
thePublication.addObjectToBothSidesOfRelationshipWithKey
(aGroup,"associatedWebsiteDisplays");
or
aGroup.addObjectToBothSidesOfRelationshipWithKey
(thePublication,"associatedWebsiteDisplays");
and watch the SQL it its loading all of the objects currently
related between the two. ie. whe I have SQL debugging turned on I
see the following SQL straight after either of the previous lines
of code ( I of course put in the ... etc etc ) :
14:40:27,552 DEBUG [WorkerThread7] (Log.NSLogDebug:1546 appendln)
- === Begin Internal Transaction
14:40:27,553 DEBUG [WorkerThread7] (Log.NSLogDebug:1546 appendln)
- evaluateExpression: $OracleExpression: "SELECT t0.category_for_other, t0.chapter_title,
etc etc FROM PUB t0, ASS_WEB_DISP T1, GRP T2 WHERE T2.grp = ?
AND t0.pub = T1.pub AND T1.grp = T2.grp" withBindings: 1:30(groupID)>
14:40:34,648 DEBUG [WorkerThread7] (Log.NSLogDebug:1546 appendln)
- 17481 row(s) processed
14:40:34,650 DEBUG [WorkerThread7] (Log.NSLogDebug:1546 appendln)
- === Commit Internal Transaction
Is this standard behaviour for flattened relationships ? Is there
any way to stop this from happening ? Do I need to model the
relationships differently ? I don't want to have to load all 17,000
just to add an extra one.
Thanks
Owen McKerrow
WebMaster, emlab
Ph : +61 02 4221 5517
http://emlab.uow.edu.au
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - - -
"As of tomorrow, employees will only be able to access the building
using individual security cards. Pictures will be taken next
Wednesday employees will receive their cards in two weeks."
- "Dilbert Quotes" Winner, Fred Dales, Microsoft Corp
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Flattened Many To Many grabbing all objects
Hi All, I have a flattened many to many relationship between two table Group and Publication, called AssociatedWebsites. Now when I call thePublication.addObjectToBothSidesOfRelationshipWithKey (aGroup,"associatedWebsiteDisplays"); or aGroup.addObjectToBothSidesOfRelationshipWithKey (thePublication,"associatedWebsiteDisplays"); and watch the SQL it its loading all of the objects currently related between the two. ie. whe I have SQL debugging turned on I see the following SQL straight after either of the previous lines of code ( I of course put in the ... etc etc ) : 14:40:27,552 DEBUG [WorkerThread7] (Log.NSLogDebug:1546 appendln) - === Begin Internal Transaction 14:40:27,553 DEBUG [WorkerThread7] (Log.NSLogDebug:1546 appendln) - evaluateExpression: $OracleExpression: "SELECT t0.category_for_other, t0.chapter_title, etc etc FROM PUB t0, ASS_WEB_DISP T1, GRP T2 WHERE T2.grp = ? AND t0.pub = T1.pub AND T1.grp = T2.grp" withBindings: 1:30(groupID)> 14:40:34,648 DEBUG [WorkerThread7] (Log.NSLogDebug:1546 appendln) - 17481 row(s) processed 14:40:34,650 DEBUG [WorkerThread7] (Log.NSLogDebug:1546 appendln) - === Commit Internal Transaction Is this standard behaviour for flattened relationships ? Is there any way to stop this from happening ? Do I need to model the relationships differently ? I don't want to have to load all 17,000 just to add an extra one. Thanks Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "As of tomorrow, employees will only be able to access the building using individual security cards. Pictures will be taken next Wednesday employees will receive their cards in two weeks." - "Dilbert Quotes" Winner, Fred Dales, Microsoft Corp ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Setting Applications Package under XCode
Hi All, Where do I ( assuming i can ) tell xCode that it shoudl be using my packaged version of Application, not plain old Application for when it runs. Cause after I added application to the package I get the following error when the app starts up : Can't load Application class, exiting... java.lang.ClassNotFoundException: Application at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at com.webobjects._bootstrap.WOBootstrap.main(WOBootstrap.java:68) Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "As of tomorrow, employees will only be able to access the building using individual security cards. Pictures will be taken next Wednesday employees will receive their cards in two weeks." - "Dilbert Quotes" Winner, Fred Dales, Microsoft Corp ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Non Compulsory toOne Relationships, Propergating Primary Key
On 08/12/2007, at 7:02 AM, Art Isbell wrote: On Dec 7, 2007, at 8:51 AM, Chuck Hill wrote: On Dec 6, 2007, at 11:50 PM, Art Isbell wrote: A to-one relationship from one foreign key to a primary key Typo: should read "from a primary key to a primary key" must always have exactly one row in the destination entity—if this isn’t guaranteed to be the case, use a to-many relationship. This rule doesn’t apply to a foreign key to primary key relationship where a null value for the foreign key in the source row indicates that no row exists in the destination. I copied and pasted the above, so it's not a typo in the general case. However, in this specific case, the foreign key is the primary key, so "from a primary key to a primary key" applies. Aloha, Art So what this seems to be saying is that WebObjects supports 0..X or 1..1 relationships but not 0..1 ? Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "I like the way this project has somehow, against all common sense, got itself made." - Peter Jackson, "The Lord of The Rings" ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: [OT] Wheres the WebObjects API gone ??
On 12/12/2007, at 11:18 AM, Chuck Hill wrote: On Dec 11, 2007, at 4:13 PM, Owen McKerrow wrote: Hi All, Anyone know what happened to the API ? http://developer.apple.com/documentation/MacOSXServer/Reference/ WO54_Reference/index.html http://developer.apple.com/documentation/WebObjects/Reference/API/ index.html is a dead link and there is no mention of the API on http://developer.apple.com/referencelibrary/DeveloperTools/ idxWebObjects-date.html Check the filter, change it from Guide to Reference. :-) Chuck Hmm I was looking for the word API in there somewhere, so I skimmed over that one. Sorry all for another useless email in your inbox. Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "As of tomorrow, employees will only be able to access the building using individual security cards. Pictures will be taken next Wednesday employees will receive their cards in two weeks." - "Dilbert Quotes" Winner, Fred Dales, Microsoft Corp ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
[OT] Wheres the WebObjects API gone ??
Hi All, Anyone know what happened to the API ? http://developer.apple.com/documentation/WebObjects/Reference/API/ index.html is a dead link and there is no mention of the API on http://developer.apple.com/referencelibrary/DeveloperTools/ idxWebObjects-date.html http://developer.apple.com/documentation/WebObjects/Reference/ API5.2.4/index.html still works but is a little out of date. Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "As of tomorrow, employees will only be able to access the building using individual security cards. Pictures will be taken next Wednesday employees will receive their cards in two weeks." - "Dilbert Quotes" Winner, Fred Dales, Microsoft Corp ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Non Compulsory toOne Relationships, Propergating Primary Key
Hi All, I have the following relationship : GROUP <-- --> RQF_GROUP where a group may have a RQF Group object, but the RQF Group object must belong to a group. As its a to one I want it to propagate its primary key across, however when I tick this box WO is nice and helpful and inserts a new RQFGroup object every-time I make a new Group, even thought I have specified that the relationship is optional. Is there any way to stop this from happening ? I have tried to turn off the Propagates Primary Key section, however this then leads to the situation where if I DO want and RQFGroup to be created ( which I do by hand ) and then save both of the new objects to the DB I get the following error ... EvaluateExpression failed: $OracleExpression: "SELECT RQF_GRP_SEQ.NEXTVAL FROM DUAL">: Next exception:SQL State:42000 -- error code: 2289 -- msg: ORA-02289: sequence does not exist Which makes sense when you read the doc ... "The Propagate Primary Key option lets you specify that the primary key of the source entity should be propagated to newly inserted objects in the destination of the relationship. That is, when inserting objects that are the destination of the relationship, this option suppresses primary key generation for the destination entity and instead uses the source object’s primary key as the primary key for the newly inserted destination object." Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "I like the way this project has somehow, against all common sense, got itself made." - Peter Jackson, "The Lord of The Rings" ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Java Packages for Dummies
Hi Chuck, Miguel and Art,
Yup I see what your saying. I think the light just switched on, in
fact it did Art's email confirmed it.
As all the way through out the old projects we never had a method
called setPersonRelationship, just setPerson we dropped the word
Relationship from the template. Doh ! Ohh well looks like its time to
hunt down all the cases where we did it the old way and change them
to use setAttributeNameRelationship instead.
Thanks guys, I couldn't see the wood for the trees.
Owen McKerrow
WebMaster, emlab
Ph : +61 02 4221 5517
http://emlab.uow.edu.au
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - -
"I like the way this project has somehow, against all common sense,
got itself made."
- Peter Jackson, "The Lord of The Rings"
On 05/12/2007, at 10:19 AM, Chuck Hill wrote:
On Dec 4, 2007, at 3:09 PM, Owen McKerrow wrote:
Hi All,
As part of preparing to move to Eclipse we are going back and
updating our projects so they are using packages ( this is the bit
where I run and hide in shame as I have to admit we never used
them before ) and EOGenerator if they weren't already. Anyways.
We're having some issues, lots of issues so I think we've done
something dumb.
Yes. :-P
The first issue is that addbjectToBothSidesOfRelationship is now
causing a StackOverflow error as it keeps calling itself. In the
example below its for the AuditLog class. First up is the old
code, then the new code ( thanks to EOGenerator ) and then the
error message (I haven't included all of the stack trace as its
the same thing over and over again ).
So as a newbie to packages I can't see any rules that we're
breaking ( although we probably are ). Any advise/suggestions/
fixes would be most appreciated.
---Old
import com.webobjects.foundation.*;
import com.webobjects.eocontrol.*;
import java.math.BigDecimal;
import java.util.*;
/**
Log trail of each time a page is accessed/viewed on the website.
*/
public class AccessLog extends OMGenericRecord {
public AccessLog() {
super();
}
public Person person() {
return (Person)storedValueForKey("person");
}
public void setPerson(Person value) {
takeStoredValueForKey(value, "person");
}
New-
package edu.uow.ris.framework.eo;
import edu.uow.ris.framework.*;
import edu.uow.emlab.omframework.*;
import com.webobjects.eoaccess.*;
import com.webobjects.eocontrol.*;
import com.webobjects.foundation.*;
import java.math.BigDecimal;
import java.util.*;
import org.apache.log4j.Logger;
public abstract class _AccessLog extends OMGenericRecord {
private static Logger log = Logger.getLogger( _AccessLog.class );
public _AccessLog() {
super();
}
public void setPerson(edu.uow.ris.framework.eo.Person aValue) {
if( aValue == null ) {
edu.uow.ris.framework.eo.Person object = person();
if( object != null )
removeObjectFromBothSidesOfRelationshipWithKey
( object, "person" );
} else
addObjectToBothSidesOfRelationshipWithKey( aValue,
"person" );
}
This method should be exactly the same as the original method
(other than the signature). Adding packages changes nothing.
addObjectToBothSidesOfRelationshipWithKey will result in a call to
setPerson. In your case, setPerson then calls
addObjectToBothSidesOfRelationshipWithKey which calls setPerson,
which calls addObjectToBothSidesOfRelationshipWithKey etc. etc.
public void setPerson(edu.uow.ris.framework.eo.Person value) {
takeStoredValueForKey(value, "person");
}
Chuck
--
Practical WebObjects - for developers who want to increase their
overall knowledge of WebObjects or who are trying to solve specific
problems.
http://www.global-village.net/products/practical_webobjects
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Java Packages for Dummies
Hi All,
As part of preparing to move to Eclipse we are going back and
updating our projects so they are using packages ( this is the bit
where I run and hide in shame as I have to admit we never used them
before ) and EOGenerator if they weren't already. Anyways.
We're having some issues, lots of issues so I think we've done
something dumb. The first issue is that
addbjectToBothSidesOfRelationship is now causing a StackOverflow
error as it keeps calling itself. In the example below its for the
AuditLog class. First up is the old code, then the new code ( thanks
to EOGenerator ) and then the error message (I haven't included all
of the stack trace as its the same thing over and over again ).
So as a newbie to packages I can't see any rules that we're breaking
( although we probably are ). Any advise/suggestions/fixes would be
most appreciated.
---Old
import com.webobjects.foundation.*;
import com.webobjects.eocontrol.*;
import java.math.BigDecimal;
import java.util.*;
/**
Log trail of each time a page is accessed/viewed on the website.
*/
public class AccessLog extends OMGenericRecord {
public AccessLog() {
super();
}
public Person person() {
return (Person)storedValueForKey("person");
}
public void setPerson(Person value) {
takeStoredValueForKey(value, "person");
}
New-
package edu.uow.ris.framework.eo;
import edu.uow.ris.framework.*;
import edu.uow.emlab.omframework.*;
import com.webobjects.eoaccess.*;
import com.webobjects.eocontrol.*;
import com.webobjects.foundation.*;
import java.math.BigDecimal;
import java.util.*;
import org.apache.log4j.Logger;
public abstract class _AccessLog extends OMGenericRecord {
private static Logger log = Logger.getLogger( _AccessLog.class );
public _AccessLog() {
super();
}
public void setPerson(edu.uow.ris.framework.eo.Person aValue) {
if( aValue == null ) {
edu.uow.ris.framework.eo.Person object = person();
if( object != null )
removeObjectFromBothSidesOfRelationshipWithKey
( object, "person" );
} else
addObjectToBothSidesOfRelationshipWithKey( aValue,
"person" );
}
Error: com.webobjects.foundation.NSForwardException
[java.lang.StackOverflowError] null
InvocationTargetException.java 54 java.lang.reflect
GeneratedMethodAccessor8.java NA invoke sun.reflect
DelegatingMethodAccessorImpl.java 25 invoke sun.reflect
Method.java 585 invoke java.lang.reflect
NSKeyValueCoding.java 688 setMethodValue com.webobjects.foundation
NSKeyValueCoding.java 1175setValueInObject
com.webobjects.foundation
EOCustomObject.java 1601takeValueForKey com.webobjects.eocontrol
EOCustomObject.java 1078 addObjectToBothSidesOfRelationshipWithKey
com.webobjects.eocontrol
_AccessLog.java 83 setPerson edu.uow.ris.framework.eo
GeneratedMethodAccessor8.java NA invoke sun.reflect
DelegatingMethodAccessorImpl.java 25 invoke sun.reflect
Method.java 585 invoke java.lang.reflect
NSKeyValueCoding.java 688 setMethodValue com.webobjects.foundation
NSKeyValueCoding.java 1175setValueInObject
com.webobjects.foundation
EOCustomObject.java 1601takeValueForKey com.webobjects.eocontrol
EOCustomObject.java 1078 addObjectToBothSidesOfRelationshipWithKey
com.webobjects.eocontrol
_AccessLog.java 83 setPerson edu.uow.ris.framework.eo
GeneratedMethodAccessor8.java NA invoke sun.reflect
DelegatingMethodAccessorImpl.java 25 invoke sun.reflect
Method.java 585 invoke java.lang.reflect
NSKeyValueCoding.java 688 setMethodValue com.webobjects.foundation
NSKeyValueCoding.java 1175setValueInObject
com.webobjects.foundation
EOCustomObject.java 1601takeValueForKey com.webobjects.eocontrol
EOCustomObject.java 1078 addObjectToBothSidesOfRelationshipWithKey
com.webobjects.eocontrol
_AccessLog.java 83 setPerson edu.uow.ris.framework.eo
Owen McKerrow
WebMaster, emlab
Ph : +61 02 4221 5517
http://emlab.uow.edu.au
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - -
People who prefer typing to pointing then seem to prefer acronyms to
save typing :-)
-Denis Stanton, On people using Command Line Interfaces
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OT : Steve Jobs Interviewed about WebObjects
Hi All, Was cleaning up some old book marks and came across this old ( 1996 ) interview with Steve when he was back at NeXT. Thought I would pass it along in case anyone was interested. http://www.wired.com/wired/archive/4.02/jobs.html Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 'The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time and still be able to function.' -F.Scott Fitzgerald, ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Object with globalID could not be found in the database, when it is there ??
On 29/11/2007, at 7:06 AM, Mr. Pierre Frisch wrote: Guys I need the bug reports. It may be easier to fix EOF than implement some bizarre workaround rule. Pierre -- Pierre Frisch [EMAIL PROTECTED] Hi Pierre, If joining the entities back into one model doesn't fix the issue then you'll probably be getting a Support Incident request as well as a bug report :D Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "I like the way this project has somehow, against all common sense, got itself made." - Peter Jackson, "The Lord of The Rings" ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Object with globalID could not be found in the database, when it is there ??
On 28/11/2007, at 4:18 PM, Mike Schrag wrote: Now... about those partial entities. What funky stuff could be done with 'em? ;-) You know, when I was writing this stuff earlier today, I actually thought at one point "I'm going to wake up tomorrow and Lachlan's going to use partial entities with vertical inheritance and I'm going to get some CRAZY bug reports" :) ms So if I understand you correctly what you saying is that Lachlan is know a long standing bug with EOGenerator ? : P Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "I like the way this project has somehow, against all common sense, got itself made." - Peter Jackson, "The Lord of The Rings" ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Object with globalID could not be found in the database, when it is there ??
On 28/11/2007, at 12:04 PM, Lachlan Deck wrote: Hi there, On 28/11/2007, at 11:35 AM, Owen McKerrow wrote: Hmm nope we don't have any that are cache'd in memory. We do however have cross model relationships that involved entities that use inheritance ( thanks for the tip Lachlan ). Yay! So I have merged the models back into 1 ( was only for conceptual reasons they were two) and am going to do a patch release to see if that fixes the issue. Well... next question was going to be, given that you'd chosen door 'A': - have you marked all foreign keys inherited in sub-entities as class properties? (hint: eof bug work-a-round) i.e., if you have a foreign key in super-entity which will obviously not be a class property ... you have to mark it as a class property in your sub-entities in order to allow EOF to save the records properly etc. It'll be a modelling issue, but sure if it solves your problem by putting them into the one model, great. We'll wait and see if it does :) If not I will try what you suggest. Should I be dong that anyways even with all Entities within the one model ? Or is it only the case for cross model relationships. In either case sounds like something that should be added to the wikki ( if its not there already ). Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 'The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time and still be able to function.' -F.Scott Fitzgerald, ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Object with globalID could not be found in the database, when it is there ??
Hmm nope we don't have any that are cache'd in memory. We do however have cross model relationships that involved entities that use inheritance ( thanks for the tip Lachlan ). So I have merged the models back into 1 ( was only for conceptual reasons they were two) and am going to do a patch release to see if that fixes the issue. Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "As of tomorrow, employees will only be able to access the building using individual security cards. Pictures will be taken next Wednesday employees will receive their cards in two weeks." - "Dilbert Quotes" Winner, Fred Dales, Microsoft Corp On 28/11/2007, at 9:53 AM, Simon McLean wrote: Hi Xavier - I think you might have solved our problem. We have recently introduced JGroupSynchronizer and the entities that are affected by the "Object with globalID could not be found" problem are indeed flagged as "cache in memory". Many thanks for the tip. Simon On 27 Nov 2007, at 14:50, Xavier Destombes wrote: Hello Owen, I don't know if it helps, but we got the same behavior from time to time when we tried to both have "JGroupSynchronizer" and "cache in memory" checked in the eomodel. Do you have the same setup? Xavier Hi Anjo, On 27/11/2007, at 6:01 PM, Anjo Krank wrote: Am 27.11.2007 um 00:39 schrieb Owen McKerrow: The object with globalID _EOIntegralKeyGlobalID[Person (java.lang.Long)8917] could not be found in the database. This could be result of a referential integrity problem with the database. An empty fault could not be created because the object's class could not be determined (e.g. the GID is temporary or it is for an abstract entity). Did you check if you *do* have this object with GID 8917 in the prod DB? Also, it's been a longstanding bug in WO that non-existant EOs would get some sort of dummy-fault in some cases, leading to erratic behaviour later on. Wonder fixed this years ago... Cheers, Anjo Yes that object defiantly does exist, an it sometimes does in fact fire correctly. Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 'The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time and still be able to function.' -F.Scott Fitzgerald, ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/webobjects% 40anazys.com This email sent to [EMAIL PROTECTED] ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/simon_mclean% 40mac.com This email sent to [EMAIL PROTECTED] ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Object with globalID could not be found in the database, when it is there ??
Hi Anjo, On 27/11/2007, at 6:01 PM, Anjo Krank wrote: Am 27.11.2007 um 00:39 schrieb Owen McKerrow: The object with globalID _EOIntegralKeyGlobalID[Person (java.lang.Long)8917] could not be found in the database. This could be result of a referential integrity problem with the database. An empty fault could not be created because the object's class could not be determined (e.g. the GID is temporary or it is for an abstract entity). Did you check if you *do* have this object with GID 8917 in the prod DB? Also, it's been a longstanding bug in WO that non-existant EOs would get some sort of dummy-fault in some cases, leading to erratic behaviour later on. Wonder fixed this years ago... Cheers, Anjo Yes that object defiantly does exist, an it sometimes does in fact fire correctly. Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 'The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time and still be able to function.' -F.Scott Fitzgerald, ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Object with globalID could not be found in the database, when it is there ??
Nope, not using Wonder. Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "As of tomorrow, employees will only be able to access the building using individual security cards. Pictures will be taken next Wednesday employees will receive their cards in two weeks." - "Dilbert Quotes" Winner, Fred Dales, Microsoft Corp On 27/11/2007, at 10:43 AM, Simon McLean wrote: Owen - We are experiencing the exact same random problem. I've noticed it cropping up in the logs but not had time to look into it yet, but it's definitely the same problem. Are you using Wonder ? Simon On 26 Nov 2007, at 23:39, Owen McKerrow wrote: Hi All, Im having a strange error occur randomly only on the Production version of the website ( we'll Im having 2 occur, but I'll deal with the other in another email after I have investigated it some more ). Anyways as I was saying the error only occurs on the Production version of the website and not on the Test or Dev servers or on the Dev Machines. To make matters worse it only occurs sometimes. The error and the stack trace are listed below. From my understanding it appears to be trying to fault and object and claims that it can't be found in the database. In all instances of this bug I have done a manual check of the database and the data does exist and all the PK's and FK's are correct. Then as I said you'll come back to teh same page a little later and it will work i.e the fault will fire correctly. OK here are some stats : Dev Machines (Works Fine): OS X 10.4.11 1.5.0_07 WO 5.3.3 We then do a servlet build for deployment running under Tomcat. Dev Server (Works Fine): Sun E250 Solaris 9 Java 1.4.2 Tomcat 5.5.7 Test Server (Works Fine) Sun T1000 Solaris 10 Java 1.5.0_06 Tomcat 5.5.7 Prod Server (Does Not Work) Sun V210 Solaris 9 Java 1.5.0_06 Tomcat 5.5.7 ( Yes I know the Test and Prod should be the same, believe me I know. We won't go into the reasons why they are not, or why Test is on a more powerful server than Prod). The site has been running for more than a year with this set up and no such problem have occurred, until the latest release. The main difference with this release is that there are now 2 models with relationships between the two. Has anyone see this type of behavior before ? Any suggestions on a way forward ? EXCEPTION: java.lang.IllegalStateException: The object with globalID _EOIntegralKeyGlobalID[Person (java.lang.Long)8917] could not be found in the database. This could be result of a referential integrity problem with the database. An empty fault could not be created because the object's class could not be determined (e.g. the GID is temporary or it is for an abstract entity). The object with globalID _EOIntegralKeyGlobalID[Person (java.lang.Long)8917] could not be found in the database. This could be result of a referential integrity problem with the database. An empty fault could not be created because the object's class could not be determined (e.g. the GID is temporary or it is for an abstract entity). STACK TRACE: at _fetchSingleObject(EODatabaseContext.java:3583) at _objectFaultWithSnapshotRelationshipEditingContext (EODatabaseContext.java:2532) at _fireDeferredFaultWithSourceObject(EODatabaseContext.java:2575) at createFaultForDeferredFault(EOAccessDeferredFaultHandler.java:45) at willReadRelationship(EOCustomObject.java:1302) at valueInObject(_EOMutableKnownKeyDictionary.java:560) at storedValueForKey(EOCustomObject.java:1736) at person(_RQFGroupPersonPub.java:30) at invoke(GeneratedMethodAccessor476.java:NA) at invoke(DelegatingMethodAccessorImpl.java:25) at invoke(Method.java:585) at methodValue(KeyValueCodingProtectedAccessor.java:54) at valueInObject(NSKeyValueCoding.java:1160) at valueForKey(EOCustomObject.java:1559) at valueForKey(NSKeyValueCoding.java:498) at valueForKeyPath(NSKeyValueCodingAdditions.java:212) at valueForKeyPath(EOCustomObject.java:1675) at valueForKeyPath(NSKeyValueCodingAdditions.java:149) at valueForKey(NSArray.java:1229) at personDetailsForPub(RQFPub.java:192) at hasSelectedPublicationAsBOW(Publication.java:2366) at isAbleToSelect(RQFBOWSelection.java:303) Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 'The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time and still be able to function.' -F.Scott Fitzgerald, ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/
Object with globalID could not be found in the database, when it is there ??
Hi All, Im having a strange error occur randomly only on the Production version of the website ( we'll Im having 2 occur, but I'll deal with the other in another email after I have investigated it some more ). Anyways as I was saying the error only occurs on the Production version of the website and not on the Test or Dev servers or on the Dev Machines. To make matters worse it only occurs sometimes. The error and the stack trace are listed below. From my understanding it appears to be trying to fault and object and claims that it can't be found in the database. In all instances of this bug I have done a manual check of the database and the data does exist and all the PK's and FK's are correct. Then as I said you'll come back to teh same page a little later and it will work i.e the fault will fire correctly. OK here are some stats : Dev Machines (Works Fine): OS X 10.4.11 1.5.0_07 WO 5.3.3 We then do a servlet build for deployment running under Tomcat. Dev Server (Works Fine): Sun E250 Solaris 9 Java 1.4.2 Tomcat 5.5.7 Test Server (Works Fine) Sun T1000 Solaris 10 Java 1.5.0_06 Tomcat 5.5.7 Prod Server (Does Not Work) Sun V210 Solaris 9 Java 1.5.0_06 Tomcat 5.5.7 ( Yes I know the Test and Prod should be the same, believe me I know. We won't go into the reasons why they are not, or why Test is on a more powerful server than Prod). The site has been running for more than a year with this set up and no such problem have occurred, until the latest release. The main difference with this release is that there are now 2 models with relationships between the two. Has anyone see this type of behavior before ? Any suggestions on a way forward ? EXCEPTION: java.lang.IllegalStateException: The object with globalID _EOIntegralKeyGlobalID[Person (java.lang.Long)8917] could not be found in the database. This could be result of a referential integrity problem with the database. An empty fault could not be created because the object's class could not be determined (e.g. the GID is temporary or it is for an abstract entity). The object with globalID _EOIntegralKeyGlobalID[Person (java.lang.Long)8917] could not be found in the database. This could be result of a referential integrity problem with the database. An empty fault could not be created because the object's class could not be determined (e.g. the GID is temporary or it is for an abstract entity). STACK TRACE: at _fetchSingleObject(EODatabaseContext.java:3583) at _objectFaultWithSnapshotRelationshipEditingContext (EODatabaseContext.java:2532) at _fireDeferredFaultWithSourceObject(EODatabaseContext.java:2575) at createFaultForDeferredFault(EOAccessDeferredFaultHandler.java:45) at willReadRelationship(EOCustomObject.java:1302) at valueInObject(_EOMutableKnownKeyDictionary.java:560) at storedValueForKey(EOCustomObject.java:1736) at person(_RQFGroupPersonPub.java:30) at invoke(GeneratedMethodAccessor476.java:NA) at invoke(DelegatingMethodAccessorImpl.java:25) at invoke(Method.java:585) at methodValue(KeyValueCodingProtectedAccessor.java:54) at valueInObject(NSKeyValueCoding.java:1160) at valueForKey(EOCustomObject.java:1559) at valueForKey(NSKeyValueCoding.java:498) at valueForKeyPath(NSKeyValueCodingAdditions.java:212) at valueForKeyPath(EOCustomObject.java:1675) at valueForKeyPath(NSKeyValueCodingAdditions.java:149) at valueForKey(NSArray.java:1229) at personDetailsForPub(RQFPub.java:192) at hasSelectedPublicationAsBOW(Publication.java:2366) at isAbleToSelect(RQFBOWSelection.java:303) Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 'The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time and still be able to function.' -F.Scott Fitzgerald, ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Array of Objects to Array of Global IDs ?
Hmmm. Someone will correct me if Im wrong, but I had thought that globalID's were not persistent. i.e. your not guaranteed that the same object will get the same global ID the next time you restart your app ? In which case you would need the objects Primary Key. Why do you want to store the query ? Is there some reason you can't make a relationship between the user and the objects that they have selected ? In what format are you storing the queries ? Can you send an example of what you would see in the database. Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "I like the way this project has somehow, against all common sense, got itself made." - Peter Jackson, "The Lord of The Rings" On 06/11/2007, at 12:22 PM, James Cicenia wrote: Well I have a query and reporting system. The user can select multiple eos from a list, etc., a query is then created, but now I have to store the query into a database. So.. don't I need to store the users eo selection via the global ids? I realize I could model the reports differently but I have been saving all the queries in a archivable mutable array or dict. These new custom query components need to be saved too, so I figure the global ids and the dictionaries to keep in consistent. James On Nov 5, 2007, at 6:57 PM, Owen McKerrow wrote: Hi James I think you'll find you don't need to touch the global ID's at all. Yes there is a way you could extract them, but I wasn't going to tell you until we'd determined that you really really need to do it. However Chuck explained how :D Can you explain what exactly it is you are trying to do. Such as how is the list of object being selected in the first place ? What are the objects ? Im assuming they are EO's ? Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "As of tomorrow, employees will only be able to access the building using individual security cards. Pictures will be taken next Wednesday employees will receive their cards in two weeks." - "Dilbert Quotes" Winner, Fred Dales, Microsoft Corp On 06/11/2007, at 11:49 AM, James Cicenia wrote: Hello - I need to save selection of objects in my database. In order for me to do that do I have to first extract their global ids and then store those? If so is there a magic one line of WebObjects code that gives me the ids? Thanks James Cicenia ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/owen% 40uow.edu.au This email sent to [EMAIL PROTECTED] ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Array of Objects to Array of Global IDs ?
Hi James I think you'll find you don't need to touch the global ID's at all. Yes there is a way you could extract them, but I wasn't going to tell you until we'd determined that you really really need to do it. However Chuck explained how :D Can you explain what exactly it is you are trying to do. Such as how is the list of object being selected in the first place ? What are the objects ? Im assuming they are EO's ? Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "As of tomorrow, employees will only be able to access the building using individual security cards. Pictures will be taken next Wednesday employees will receive their cards in two weeks." - "Dilbert Quotes" Winner, Fred Dales, Microsoft Corp On 06/11/2007, at 11:49 AM, James Cicenia wrote: Hello - I need to save selection of objects in my database. In order for me to do that do I have to first extract their global ids and then store those? If so is there a magic one line of WebObjects code that gives me the ids? Thanks James Cicenia ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/owen% 40uow.edu.au This email sent to [EMAIL PROTECTED] ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Are Batch Sequences Possible ?
Hi Chuck, I'm looking over your FBIntegerPrimaryKeyGenerator and IntegerPrimaryKeyGenerator classes from GVCFrameworks and was just wondering if my understanding of it is correct. Basiaclly you will have to make a new instance of the FBIntegerPrimaryKeyGenerator at some point and then ask it to create a bunch of new PK's for you for a specific entity, lets say Person. These are then cached. So then when I make a new instance Person, it will be given one of these caches PK's stright away ( i.e. no extra code required ) or is there another step to request one of these PK's from the cache ? If it happens automatically will it be before the editingContext saves it changes ? I could see this potentially being "dangerous" ( not deadly or anything ) if you don't end up using all your primary keys ( at least with Orcale sequences ) in that you would ask for 100 new PK's, the sequence is incremented 100 times, you only use 50 of them and you would have a missing 50 values from your PK coloum. Anyways just a random though. Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 'The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time and still be able to function.' -F.Scott Fitzgerald, On 30/10/2007, at 3:52 PM, Chuck Hill wrote: Short answer: yes. Mike recently added something to the FrontBase plugin(?) in Wonder to do this. I imagine that the same thing could be done for Oracle. There are primary key generators in GVCEOFExtensions that also do this (get a batch from the DB and allocate them locally). The method we used was in EODatabaseContext's delegate interface, databaseContextNewPrimaryKey(EODatabaseContext dbCtxt, Object object, EOEntity entity) I'm not sure what Mike did for his. Chuck On Oct 29, 2007, at 8:49 PM, Owen McKerrow wrote: Hi All, Im currently developing an app against a Oracle databas, which uses sequence for generating its Primary Keys. Is there a way to get WO to request a batch of sequences instead of doing it one at a time ( which is what it appears to be doing when you output the SQL ). For example I am doing 1 save to the database that is inserting 142 rows into 1 table, 142 into a second and 711 into a third. Each of the 142 row table inserts takes 2 seconds to return all of the sequence while the 711 inserts take's 8 seconds to get the sequences. Thats 12 seconds used before it even starts the INSERT statements, which take another 2, 2 and 8 respectively. Meaning the total save time is 24 seconds ( with SQL debugging turned on, its a little quicker with it turned off ). Please someone tell me Im doing something dumb, or that there is a better way. Heres a cut down version of the SQL output.. 14:22:44,154 DEBUG [WorkerThread2] (RQFBOWSelection:286 setUpPublicationsList) - Save Start. 14:22:44,415 DEBUG [WorkerThread2] (Log.NSLogDebug:1546 appendln) - === Begin Internal Transaction 14:22:44,416 DEBUG [WorkerThread2] (Log.NSLogDebug:1546 appendln) - evaluateExpression: $OracleExpression: "SELECT t0.pub, t0.ABSTRACT FROM PUB_ABSTRACT t0 WHERE t0.pub = ?" withBindings: 1:8657(pubID)> Repeated 141 for 2 secconds 14:22:46,521 DEBUG [WorkerThread2] (Log.NSLogDebug:1546 appendln) - === Begin Internal Transaction 14:22:46,522 DEBUG [WorkerThread2] (Log.NSLogDebug:1546 appendln) - evaluateExpression: $OracleExpression: "SELECT RQF_GRP_PSN_PUB_SEQ.NEXTVAL FROM DUAL"> Repated 142 for 2 seconds 14:22:48,045 DEBUG [WorkerThread2] (Log.NSLogDebug:1546 appendln) - === Begin Internal Transaction 14:22:48,046 DEBUG [WorkerThread2] (Log.NSLogDebug:1546 appendln) - evaluateExpression: $OracleExpression: "SELECT AUDIT_LOG_SEQ.NEXTVAL FROM DUAL"> Repeated 711 for 8 seconds 14:22:56,928 DEBUG [WorkerThread2] (Log.NSLogDebug:1546 appendln) - === Begin Internal Transaction 14:22:56,929 DEBUG [WorkerThread2] (Log.NSLogDebug:1546 appendln) - evaluateExpression: $OracleExpression: "SELECT RQF_PUB_SEQ.NEXTVAL FROM DUAL"> Repeated 141 for . 2 seconds 14:22:58,782 DEBUG [WorkerThread2] (Log.NSLogDebug:1546 appendln) - === Begin Internal Transaction 14:22:58,783 DEBUG [WorkerThread2] (Log.NSLogDebug:1546 appendln) - evaluateExpression: $OracleExpression: "INSERT INTO RQF_PUB(NOTES, OUTLET_ANGLICISED_TITLE, LANGUAGE_OF_TITLE, LOCKED, TYPE_OTHER_DESCRIPTION, METRICS_IDENTIFIER, OUTPUT_IDENTIFIER, RQF_PUB, ENGLISH_TITLE, PUB, IS_REPRINT, SENSITIVITY_EXPLAINATION, AVALIABLE_YEAR, ANGLICISED_TITLE, IS_COMMERCIAL_SENSITIVE, TYPE_CODE, IS_CULTURALSENSITIVE, OUTLET_RANKING_IDENTIFIER, AVAILABILITY_FORM, OUTLET_ENGLISH_TITLE, AVAIL_STATUS_CODE, NON_REPOSITORY_JUSTIFICATION, YEAR_VAR
Are Batch Sequences Possible ?
tusCode = "R"; nonRepositoryJustification =
;
yearVariationJustification =
; }; this = "10347e 1 21 -18 -19 -49 65 -71 -42 -47 95>>"; }){null}"(newValue), 7:1324858
(audit_log_pk), 8:"/130.130.72.73"(ipAddress), 9:2007-10-30 14:22:44
(when), 10:10988(objectsPK)>
Repeated 717 for 8 seconds
14:23:08,538 DEBUG [WorkerThread2] (Log.NSLogDebug:1546 appendln) -
=== Commit Internal Transaction
14:23:08,575 DEBUG [WorkerThread2] (RQFBOWSelection:289
setUpPublicationsList) - Save End.
Owen McKerrow
WebMaster, emlab
Ph : +61 02 4221 5517
http://emlab.uow.edu.au
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - -
'The test of a first-rate intelligence is the ability to hold two
opposed ideas in the mind at the same time and still be able to
function.'
-F.Scott Fitzgerald,
___
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Re: Many-to-many question ...
We use approach 2, works fine for us. Others may have other ideas. Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "I like the way this project has somehow, against all common sense, got itself made." - Peter Jackson, "The Lord of The Rings" On 25/10/2007, at 4:58 PM, Johann Werner wrote: Related to join tables containing additional attributes: In a relation A<-->>AB<<-->B with a specific A1 that can have more than one relation to a specific B1 (thus only differing in the additional attributes) the standard primary key as a compound of the primary keys of A1 and B1 would not be unique any more. What is the best practice in this case: 1) adding a third id field to AB and add it to the compound key using the option "use as primary key" or 2) adding an additional id field that is solely used as primary key and using the former compound key only as foreign key for the relationships (in that case the table would be more like a "normal" table than a many-2-many table) or 3) leaving the AB table as it is and praying that no user will ever want several A1<->B1 relations ;-) jw Am 25.10.2007 um 04:07 schrieb Lachlan Deck: On 25/10/2007, at 11:17 AM, Shagor Ghani wrote: Have a quick question around join tables storing M2M relationships. I need to store a M2M relationship and created a table for it using Property>Join in Many-to-Many option from within EOModeler itself. This table has two columns, id1 and id2, both of which are primary and which together produce a unique record. In my code, I've been doing creating new rows into this table using the standard object.addObjectToBothSidesOfRelationshipWithKey( object, key ) call. Now, though, I also need to store additional values within this record, for example a boolean bit indicating whether the record is active or not. How is this done? If I manually add a 3rd attribute column, what call is then used to update/create new record(s)? You have two choices with M2M Join tables. A<-->>AB<<-->B 1) flatten the relationships... so that you're adding to both sides of relationship two records on either side of the join. Join records using EOGenericRecord and don't have any logic in them. A myA = (A)EOUtilties.createAndInsertInstance(ec, "A"); B myB = (B)EOUtilties.createAndInsertInstance(ec, "B"); myA.addObjectToBothSidesOfRelationshipWithKey(myB, "bs"); 2) don't flatten the relationships A myA = (A)EOUtilties.createAndInsertInstance(ec, "A"); AB myAB = (AB)EOUtilties.createAndInsertInstance(ec, "AB"); B myB = (B)EOUtilties.createAndInsertInstance(ec, "B"); myAB.setSomeOtherKey(...); myA.addObjectToBothSidesOfRelationshipWithKey(myAB, "abs"); myAB.addObjectToBothSidesOfRelationshipWithKey(myB, "abs"); with regards, -- Lachlan Deck ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/werner% 40isd.uni-stuttgart.de This email sent to [EMAIL PROTECTED] ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/owen% 40uow.edu.au This email sent to [EMAIL PROTECTED] ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Problems with addObjectToBothSidesOfRelationshipWithKey
Further information
When I try and print out the revrse relationship from AuthorPub back
to Person I get null. i.e. EOF can't find the reverse relationship
back to the Person from the join.
log.debug("The relationship going back the other way is " +
tempRec.inverseForRelationshipKey(relationshipName));
give us
The relationship going back the other way is null
Which to me means I don't have the relationships inside EOModel set
up correctly ?? What are other peoples take on this ?
Owen McKerrow
WebMaster, emlab
Ph : +61 02 4221 5517
http://emlab.uow.edu.au
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - -
'The test of a first-rate intelligence is the ability to hold two
opposed ideas in the mind at the same time and still be able to
function.'
-F.Scott Fitzgerald,
On 19/10/2007, at 12:04 PM, Owen McKerrow wrote:
Hi Lachlan,
Nope that didn't fix it either :(
Owen McKerrow
WebMaster, emlab
Ph : +61 02 4221 5517
http://emlab.uow.edu.au
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - - -
'The test of a first-rate intelligence is the ability to hold two
opposed ideas in the mind at the same time and still be able to
function.'
-F.Scott Fitzgerald,
On 19/10/2007, at 11:36 AM, Lachlan Deck wrote:
Hi Owen,
On 19/10/2007, at 11:24 AM, Owen McKerrow wrote:
Im having a problem with
addObjectToBothSidesOfRelationshipWithKey, either that or I don't
understand how its meant to work correctly. That is when you use
addObjectToBothSidesOfRelationshipWithKey the relationships
between both objects should be updated. So if you have a
relationship between a dog and a cat, when you use
addObjectToBothSidesOfRelationshipWithKey to set the dog's
relationship to cat, its should auto set the cat's relationship
back to the dog.
Try the ol' removeObjectFromBothSidesForKey on objects you're re-
pointing elsewhere.
with regards,
--
Lachlan Deck
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Re: Problems with addObjectToBothSidesOfRelationshipWithKey
Hi Lachlan, Nope that didn't fix it either :( Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 'The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time and still be able to function.' -F.Scott Fitzgerald, On 19/10/2007, at 11:36 AM, Lachlan Deck wrote: Hi Owen, On 19/10/2007, at 11:24 AM, Owen McKerrow wrote: Im having a problem with addObjectToBothSidesOfRelationshipWithKey, either that or I don't understand how its meant to work correctly. That is when you use addObjectToBothSidesOfRelationshipWithKey the relationships between both objects should be updated. So if you have a relationship between a dog and a cat, when you use addObjectToBothSidesOfRelationshipWithKey to set the dog's relationship to cat, its should auto set the cat's relationship back to the dog. Try the ol' removeObjectFromBothSidesForKey on objects you're re- pointing elsewhere. with regards, -- Lachlan Deck ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Problems with addObjectToBothSidesOfRelationshipWithKey
Upon double checking personID was, yes. I change it so it wasn't but
that didn't help the problem.
Owen McKerrow
WebMaster, emlab
Ph : +61 02 4221 5517
http://emlab.uow.edu.au
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - -
"As of tomorrow, employees will only be able to access the building
using individual security cards. Pictures will be taken next
Wednesday employees will receive their cards in two weeks."
- "Dilbert Quotes" Winner, Fred Dales, Microsoft Corp
On 19/10/2007, at 11:32 AM, Simon McLean wrote:
is either rowID or personID set as a class property in EOModeler ?
Simon
On 19 Oct 2007, at 02:24, Owen McKerrow wrote:
Hi All,
Im having a problem with
addObjectToBothSidesOfRelationshipWithKey, either that or I don't
understand how its meant to work correctly. That is when you use
addObjectToBothSidesOfRelationshipWithKey the relationships
between both objects should be updated. So if you have a
relationship between a dog and a cat, when you use
addObjectToBothSidesOfRelationshipWithKey to set the dog's
relationship to cat, its should auto set the cat's relationship
back to the dog.
Im writing some code for my Person class, which when given another
person "merges" them into itself. That is sets all of the given
persons relationships to the first person.
Now Person has a toMany relationship with AuthorPubs and
AuthorPubs has a toOne relationship back to Person. Set up like
this inside EOModler :
Table : Person
Relationship : publicationsAuthorOf, toMany, optional
Destination : AuthorPubs
Source Att : rowID
Dest Att : personID
Table : AuthorPubs
Relationship : person, toOne, mandetory
Destination : Person
Source Att : personID
Dest Att : rowID
Now here's the code inside the Person class that does the "merging" :
public void mergePersonIntoMe(Person person, boolean delete)
throws Exception
{
.
swaptoMe(person.publicationsAuthorOf(),inverseForRelationshipKey
("publicationsAuthorOf"));
}
/**
Given an array of objects and a relationship name, change all
the objects so that they belong to this person
*/
public void swaptoMe(NSArray theItems, String relationshipName)
throws Exception
{
int i;
log.debug("Reverse relationship is : " + relationshipName);
if (theItems != null ) {
for (i=0;i OMGenericRecord tempRec = (OMGenericRecord)
theItems.objectAtIndex(i);
tempRec.addObjectToBothSidesOfRelationshipWithKey
(this,relationshipName);
//Check if we are copying across author/editors, if so we nee
to update their name
if (tempRec instanceof AuthorPubs ) {
log.debug("Person for publication : " + tempRec.valueForKey
(relationshipName));
if
(publicationsAuthorOf().containsObject(tempRec) ) {
log.debug("Person is
author.");
} else if
(publicationsEditorOf().containsObject(tempRec)){
log.debug("Person is
editor.");
} else {
log.debug("Person is not
associated with the publication");
}
tempRec.takeValueForKey(firstNameToUseForPublications
(),"firstName");
tempRec.takeValueForKey(lastNameToUseForPublications
(),"lastName");
tempRec.takeValueForKey(middleNameToUseForPublications
(),"middleName");
}
} catch ( Exception ex) {
throw ex;
}
}
}
}
OK so I go to merge the person S Anderson into Sharon Anderson.
Now heres the output from those debug statements :
11:18:40,038 DEBUG [WorkerThread3] (Person:2284 swaptoMe) -
Reverse relationship is : person
11:18:40,039 DEBUG [WorkerThread3] (Person:2290 swaptoMe) - Person
for publication before swap : External:(Active_Name=S Anderson)
{rowID=11477;}
11:18:40,046 DEBUG [WorkerThread3] (Person:2295 swaptoMe) - Person
for publication after swap : Researcher:(Active_Name=Sharon
Anderson, Staff_Number=xxx){rowID=1;}
11:18:40,047 DEBUG [WorkerThread3] (Person:2301 swaptoMe) - Person
is not associated with the publication
11:18:40,049 DEBUG [WorkerThread3] (Person:2290 swaptoMe) - Person
for publication before swap : External:(Active_Name=S Anderson)
{rowID=11477;}
11:18:40,050 DEBUG [WorkerThread3] (Person:2295 swaptoMe) - Person
for publication aft
Problems with addObjectToBothSidesOfRelationshipWithKey
the AuthorPub added back to them. The changes are made in the database and if I log out and log back in its all nice and happy. Can someone see something dumb Im doing ? Am I not understanding the behavior of addObjectToBothSidesOfRelationshipWithKey correctly ? Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "I like the way this project has somehow, against all common sense, got itself made." - Peter Jackson, "The Lord of The Rings" ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
takeValuesFromForm Validation
Hi All,
I have an attribute in an entity that has a width of 1500 char. I
have over ridden the validate method for it inside the entities java
class.
public String validateRqfJustification(String newState) throws
NSValidation.ValidationException
{
if ( newState != null ) {
if (newState.length() > 1500) {
throw new NSValidation.ValidationException("The RQF Justification
can not be longer than 1500 characters");
}
}
return newState;
}
This gets called fine when I try to save it.
However if I submit the form and the text field contains more than
1500 chars, a validation error is thrown, without going into this
method because it checks it against the width inside the model.
I catch this exception inside the component
validationFailedWithException() method, the page gets return I
display the error message ( not the nicely formatted one form above,
but the default one ). BUT the value of the form in the feild has
been reset to what it was before they click the button. This is not
what I want. I want to tell them they can't save but the value in the
field should stay the same as what they just typed.
So 2 questions :
1) When a form is submitted why doesn't it use my validation method
for that attribute ? What validation is it calling ? i.e.
validateforUpdate() ?
2) How can I get the value the user typed to stay in the form,
instead of being truncated back ?
Owen McKerrow
WebMaster, emlab
Ph : +61 02 4221 5517
http://emlab.uow.edu.au
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - -
'The test of a first-rate intelligence is the ability to hold two
opposed ideas in the mind at the same time and still be able to
function.'
-F.Scott Fitzgerald,
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Re: WWDC photos (WebObjects Lab + Bash)
Moscone North. Moscone West( where its held at the moemnt ) is the smallest of the Moscone Centers I believe. Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - People who prefer typing to pointing then seem to prefer acronyms to save typing :-) -Denis Stanton, On people using Command Line Interfaces On 18/06/2007, at 1:51 PM, Miguel Arroz wrote: Hi! I didn't like it very much. The music was really bad. The place is cool, but it's not Mac-related. I live in Portugal, far far away from the "mother-ship". Last year it was great to see it, be there, notice the small details, like the pixelized fonts and Cairo icons around, etc. There's obviously something special about that place (at least for non-Apple employees!). Yerba buena is a really cool garden, but it's that kind of place that could be there, or anywhere else, and it wouldn't make a difference... I actually sent an email before to ADC asking why there was no Apple Campus Bash this year, and asking if I could grab a car and go there. They only said the campus was closed to visitors, but they did not say why there was no bash there. I think the +5000 attendees is the answer. BTW, Moscone is getting a little too small for all this people... where will the WWDC be in three or four years, if they continue to grow up in a 2000 attendee/year ratio!? Yours Miguel Arroz On 2007/06/17, at 07:10, Alexander Spohr wrote: Cliff, any info on why there is no more Campus Bash? To many busses needed? (Environment) Bad behavior of guests? (Lurking for Prototypes) How was the SF Bash compared to the Campus Bash? atze Am 16.06.2007 um 22:57 schrieb Cliff Tuel: WWDC was a great success this year! Thanks to everyone who came. Here's some photos of the packed WebObjects Lab, and Thursday's bash. Sorry I couldn't take more -- I was supposed to be working. :-) <http://www.flickr.com/photos/[EMAIL PROTECTED]> -- Cliff Tuel . http://apple.com/services/technicalsupport ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/atze% 40freeport.de This email sent to [EMAIL PROTECTED] Freeport & Soliversum Alexander Spohr [EMAIL PROTECTED] www.freeport.de ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/arroz% 40guiamac.com This email sent to [EMAIL PROTECTED] Miguel Arroz http://www.terminalapp.net http://www.ipragma.com ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/owen% 40uow.edu.au This email sent to [EMAIL PROTECTED] ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Post WWDC Plans for Monday Night?
Hi All, Speaking of ber Im not at WWDC but thought I woudl hijack this thread for a second. From reading the WWDC site it looks like that the Apple Campus Beer Bash isn't happening this year i.e. its changing venue. they describe it as... WWDC Bash in San Francisco You’ve been hard at work all week, and now it’s time to unwind and have some fun in downtown San Francisco. Spend the evening with us enjoying great food and drinks, and mingling with your peers and Apple’s engineering teams. Can anyone there confirm if this is the case ? If so its the end of a long tradition. Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "As of tomorrow, employees will only be able to access the building using individual security cards. Pictures will be taken next Wednesday employees will receive their cards in two weeks." - "Dilbert Quotes" Winner, Fred Dales, Microsoft Corp On 12/06/2007, at 11:58 AM, Alan Ward wrote: I suggest you all come down to Cupertino so that I don't have drive up to the city ;-) Alan On Jun 11, 2007, at 7:35 PM, Guido Neitzer wrote: Am 11.06.2007 um 13:14 schrieb Chuck Hill: Any plans for tonight? The welcome event is usually over (out of beer ;-) quickly. Make a suggestion ... ;-) cug ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/award% 40apple.com This email sent to [EMAIL PROTECTED] ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/owen% 40uow.edu.au This email sent to [EMAIL PROTECTED] ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
MultiECLockManager. Set and forget ?
Hi All, Im looking at cleaning up our locking procedures on some of our projects. Looking over past emails and on the wiki the most commons suggestions are either MultiECLockManager or Project Wonders ERXEC. We're not using Wonder at the moment so Im thinking MultiECLockManager. I seem to remember Chuck once implying that it was basically a set and forget sort of thing, that once you had registered you EC with it you didn't need to worry about locking anymore. Is this really the case ? What we have on the current project is a base component that all of our other components extend from. This base component contains a variation of Chucks CoOperatingEditingContext (thanks Chuck), so each of our pages has their own EC with session wide variables, like who's currently logged in, being stored in the default editing context. What Im wondering is if I was to use MultiECLockManager and it is as simple as it seems, all I should need to do is in my base component when the EC is created, register it with the Manager and then go back through all of my code and find any ec.lock(), ec.unlock() and remove them. Am I understanding this correctly ? Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "I like the way this project has somehow, against all common sense, got itself made." - Peter Jackson, "The Lord of The Rings" ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
WebObjects URL Decoding
Hi All, Is there any way to track back from a WO url what the link/button pressed was ? i.e. for the following URL WebObjects/RIS.woa/wo/ LaxPpG24nbtqCjH1sZbfUw/110.0.11.5.5.1 how can I map back the 110.0.11.5.5.1 to a page and a link inside my app ? Thanks Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - People who prefer typing to pointing then seem to prefer acronyms to save typing :-) -Denis Stanton, On people using Command Line Interfaces ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to archive@mail-archive.com
Adding Objects To Relationships
orrect)
Active Element Experiences : 2 ( count has gone down by 1, correct)
Navigate to the Experience :
Experience : My first prac experience
Element Experinces count : 4 ( count has gone up by 1, correct)
Active Element Experinces : 4( count has gone up by 1, correct)
Shift the entry back to "My Portfolio" :
Experince : My first prac experience
Element Experinces count : 3 ( count has gone down by 1, correct)
Active Element Experinces : 3 ( count has gone down by 1, correct)
Navigate back to first experience :
Experince : My Portfolio
Element Experinces count : 11 ( count has gone up by 1, correct)
Active Element Experinces : 2 ( count has stayed the same, incorrect)
So we can see from the last 2 lines that the element is being
correctly re-assigned back to the first experience ( count goes back
up to 11 ) but the activeElements() filter is getting it wrong, even
though the filter is based upon the active status of the element
itself, which is never touched. And as I said, it you log out and
then come back in with a fresh session, its sitting there like its
meant to be.
So the suspect code I believe is this bit from activeElements()
if ( elementExperiences() != null ) {
NSMutableArray qualData = new NSMutableArray(new Integer(1));
EOQualifier qual = EOQualifier.qualifierWithQualifierFormat
("element.active = %@",qualData);
activeElements = (NSMutableArray)
EOQualifier.filteredArrayWithQualifier(elementExperiences(),qual);
}
Does anyone one have any suggestions or see anything I've done wrong ?
Owen McKerrow
WebMaster, emlab
Ph : +61 02 4221 5517
http://emlab.uow.edu.au
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - -
People who prefer typing to pointing then seem to prefer acronyms to
save typing :-)
-Denis Stanton, On people using Command Line Interfaces
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Re: Suggestions for handling DoS attack, well kind of
Sorry slow brain day, I do of course mean a DoS attack. Thanks Kevin :) I realize that you can do things at the firewall router level, just wondering if there is any tricks people have used in there WO apps directly. Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 'The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time and still be able to function.' -F.Scott Fitzgerald, On 01/02/2007, at 11:00 AM, Owen McKerrow wrote: Hi All, On Tuesday afternoon one of our apps received over 10,000 requests for the 1 page, by the same user in under 1 hour. The site kept running ( it got slower and slower ) with one out of memory exception for another user. There was only a very small chance it was a real DoS attack, what I assumed had happened ( I have heard stories of this happening from other people ) is that something fell onto his keyboard on the "F5" refresh key after he had walked out of his office. What actually happened was that Firefox locked up his whole machine ( the power button didn't even work ) and in the end he just got up and walked away in frustration. So what Im wondering is does anybody have any suggestions on what to do about DoS attacks be they accidental or on purpose. Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "As of tomorrow, employees will only be able to access the building using individual security cards. Pictures will be taken next Wednesday employees will receive their cards in two weeks." - "Dilbert Quotes" Winner, Fred Dales, Microsoft Corp ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/owen% 40uow.edu.au This email sent to [EMAIL PROTECTED] ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to archive@mail-archive.com
Suggestions for handling DNS attack, well kind of
Hi All, On Tuesday afternoon one of our apps received over 10,000 requests for the 1 page, by the same user in under 1 hour. The site kept running ( it got slower and slower ) with one out of memory exception for another user. There was only a very small chance it was a real DNS attack, what I assumed had happened ( I have heard stories of this happening from other people ) is that something fell onto his keyboard on the "F5" refresh key after he had walked out of his office. What actually happened was that Firefox locked up his whole machine ( the power button didn't even work ) and in the end he just got up and walked away in frustration. So what Im wondering is does anybody have any suggestions on what to do about DNS attacks be they accidental or on purpose. Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "As of tomorrow, employees will only be able to access the building using individual security cards. Pictures will be taken next Wednesday employees will receive their cards in two weeks." - "Dilbert Quotes" Winner, Fred Dales, Microsoft Corp ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to archive@mail-archive.com
xCode 2.4.1
Hi All, I just noticed that xCode is up to 2.4.1 and was wondering how people are finding it WO wise. Im still on 2.3 so am wondering if there are any major WebObjects changes between the 2.3 and 2.4 versions. I remember 2.4 coming out, but not the reason why I didn't upgrade :( Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - People who prefer typing to pointing then seem to prefer acronyms to save typing :-) -Denis Stanton, On people using Command Line Interfaces ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to archive@mail-archive.com
Unable to release locks held by a deallocated EOEditingContext.
Hi All, Was browsing over my logs from the latest build on our test server and noticed this error repeated over and over again : 2006,09.28 13:06:33,970 DEBUG [Finalizer] (Log.NSLogErr:1546 appendln) - Unable to release locks held by a deallocated EOEditingContext. 2006,09.28 13:06:33,971 DEBUG [Finalizer] (Log.NSLogDebug:1546 appendln) - java.lang.IllegalStateException: Illegal Lock usage: unlocking thread not owner. at com.webobjects.foundation.NSRecursiveLock.unlock (NSRecursiveLock.java:207) at com.webobjects.eocontrol.EOEditingContext.unlock (EOEditingContext.java:4720) at com.webobjects.eocontrol.EOEditingContext._dispose (EOEditingContext.java:1158) at com.webobjects.eocontrol.EOEditingContext.finalize (EOEditingContext.java:1178) at java.lang.ref.Finalizer.invokeFinalizeMethod(Native Method) at java.lang.ref.Finalizer.runFinalizer(Finalizer.java:83) at java.lang.ref.Finalizer.access$100(Finalizer.java:14) at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:160) Any ideas on how to track down where this one is coming from ? Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "As of tomorrow, employees will only be able to access the building using individual security cards. Pictures will be taken next Wednesday employees will receive their cards in two weeks." - "Dilbert Quotes" Winner, Fred Dales, Microsoft Corp ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to archive@mail-archive.com
Monitoring RAM
NSLog.out.appendln("Error occured during the Memory
Watch");
}
}
}
Owen McKerrow
WebMaster, emlab
Ph : +61 02 4221 5517
http://emlab.uow.edu.au
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - -
'The test of a first-rate intelligence is the ability to hold two
opposed ideas in the mind at the same time and still be able to
function.'
-F.Scott Fitzgerald,
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Re: Session timeout and memory
Hi All, Interesting thread ! And its very similar to a problem Im having. We are deploying our App under Tomcat and after several days of running we get and out of memory exception. so we increased the heap size. We got a couple more days out of the app. So we increased it again, this time we last 2 weeks, but once again we have run out of memory. This leads to a couple of questions : 1) Does anyone know if there is a memory handling issue of WOApps under Tomcat ? i.e. it never lets the memory go. 2) When we deploy under JavaMonitor we set our apps to restart themselves regularly. Why's this ? I had thought it may have been a carry over from Object-C days just to make sure we clean up any memory leaks. But under Java, one would image it should be all garbage collected, so why do we still recommend nightly/weekly restarts ? 3) Can someone point me at some good doc for learning about memory profiling of Java app's. Specifically over a long period of time. Even to figure out how much ram each session is taking and when that is being garbage collected as per Tom's example below. Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 'The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time and still be able to function.' -F.Scott Fitzgerald, On 19/09/2006, at 6:29 PM, Tom M. Blenko wrote: What you are seeing is almost certainly just the way garbage collection works. When the session times out, the objects it allocated are available for garbage collection. They are not collected at that time, just made available for collection. The garbage collector won't run until it needs to. The latter is not correct. The garbage collector on HotSpot runs frequently and a common occasion is when a response has been returned by a WO application. It appears that it collects on these occasions against the local store. This makes sense in the immediate context, you'd probably have to test it against you own applications to determine whether it makes sense on balance. (I don't believe you can control this behavior in any case). The garbage collector doesn't collect all available memory on these occasions, however. I had a disagreement with someone once about whether the garbage collector would collect a cycle, which it isn't difficult to create, e.g., off of a session. We put up a minimal application on a quiet machine, instrumented the VM, set the session to timeout after 1 minute, requested one page (which created the cycle), and waited. The garbage collector ran many times but it took 10 minutes before the cycle was collected. Behavior of the garbage collector isn't an issue most of the time. If the working set is close to the VM memory size, however, it can cause the VM to thrash and the solution is (usually) to increase the size of VM memory. It can also happen that you know when a sizable chunk of memory is being freed and forcing the gc to run amounts to an optimization, e.g., to reduce paging or total memory use. You can call gc() to advise the garbage collector to run. You can call gc() three times in succession to advise it more strongly to run. Running, in this circumstance, will only cause it to collect what it chooses, it won't necessarily collect all the memory available. Tom Chuck On Sep 11, 2006, at 11:18 PM, Ute Hoffmann wrote: Ok, perhaps I'm looking at the wrong thing. This is the piece of code which I use to determine the used memory: Runtime runtime = Runtime.getRuntime(); double nochVoranden = new Double(runtime.totalMemory () - runtime.freeMemory ()).doubleValue(); So this happens to the logs: The memory goes up inside of the session. It sometimes drops a bit but it mainly goes up. So there seems to be a memory leak somewhere... Ok, but then the session is terminated or times out. So I would assume that then the memory is returned as free memory. So the next session should again show used memory lets say 6 MB. But when the previous session had a used memory of lets say 50 MB the next session (created well after the first session is timed out or terminated) will show 50MB + of used memory. And yes: There was only one session present in the testcase and it clearly went up after the first session was timed out without releasing this used memory. Do I have to schedule the instances to get rid of this (as it happens by design) or does it point me to a memory leak in my code which means whatever holds the memory cannot be released even after the session is terminated. Regards Ute Anfang der weitergeleiteten E-Mail: Von: Q <[EMAIL PROTECTED]> Datum: Di, 12. Sep 2006 01:43:35 Europe/Berlin An: Chuck Hill <[E
Concurrent Request Handling Under Tomcat 5
Hi All, Does anyone have any experience running a WO App under Tomcat 5 with concurrent request handling turned on ? Is Tomcat's request handling compatible with WO's ? Is there any trick to getting them to play nice together ? Should it just work out of the box or is there some config changes I would need to make ? Thanks in Advance Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "I like the way this project has somehow, against all common sense, got itself made." - Peter Jackson, "The Lord of The Rings" ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to archive@mail-archive.com
Re: [SOLVED] Method Being called Twice
Sorry forgot to mention, link was the culprit. That is we had link
set up as a WOGenericElement and it should have been a style as a
WOGenericContainer.
So what I said below is wrong. To reproduce the behaviour in Safari
try this
@import "http://
somefile";
Want we wanted ( and fixed the problem ). Is this
@import "http://
</tt><tt>somefile";
Owen
On 17/08/2006, at 1:54 PM, Owen McKerrow wrote:
Hi All,
We had a WOGenericElement used for a dynamic style include, where
it should have been a WOGenericContainer, difference being that the
container adds the close tag. i.e. in this case
Seems if the close tag is missing Safari calls the page twice.
Owen
On 17/08/2006, at 1:40 PM, Owen McKerrow wrote:
Well Im gonna hang my head in shame on this one.
I stuck a break point in session's awake method and its being
invoked twice for EVERY page !
So Im guess its a problem with my template component that all the
other pages sit inside of.
Stranger still is that I tested it under Safari 2.0.4 and Firefox
1.5.04. It only does the double call under Safari.
Ok Im off to track down what's doing it.
Any suggestions of things to look for ?
Owen McKerrow
WebMaster, emlab
Ph : +61 02 4221 5517
http://emlab.uow.edu.au
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - - - -
"As of tomorrow, employees will only be able to access the
building using individual security cards. Pictures will be taken
next Wednesday employees will receive their cards in two weeks."
- "Dilbert Quotes" Winner, Fred Dales, Microsoft Corp
On 17/08/2006, at 1:28 PM, Chuck Hill wrote:
Now that is a good one...
Both are from invokeAction. Any custom component here? Calling
valueForBinding("action") can trip the action.
Have you verified that the app is only receiving a single
request? Does it do this in all browsers? I am just wondering
if bad HTML or something is making the app think it is getting
two requests.
Other than that, no... nothing is coming to mind.
Chuck
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Re: [SOLVED] Method Being called Twice
Hi All,
We had a WOGenericElement used for a dynamic style include, where it
should have been a WOGenericContainer, difference being that the
container adds the close tag. i.e. in this case
Seems if the close tag is missing Safari calls the page twice.
Owen
On 17/08/2006, at 1:40 PM, Owen McKerrow wrote:
Well Im gonna hang my head in shame on this one.
I stuck a break point in session's awake method and its being
invoked twice for EVERY page !
So Im guess its a problem with my template component that all the
other pages sit inside of.
Stranger still is that I tested it under Safari 2.0.4 and Firefox
1.5.04. It only does the double call under Safari.
Ok Im off to track down what's doing it.
Any suggestions of things to look for ?
Owen McKerrow
WebMaster, emlab
Ph : +61 02 4221 5517
http://emlab.uow.edu.au
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - - -
"As of tomorrow, employees will only be able to access the building
using individual security cards. Pictures will be taken next
Wednesday employees will receive their cards in two weeks."
- "Dilbert Quotes" Winner, Fred Dales, Microsoft Corp
On 17/08/2006, at 1:28 PM, Chuck Hill wrote:
Now that is a good one...
Both are from invokeAction. Any custom component here? Calling
valueForBinding("action") can trip the action.
Have you verified that the app is only receiving a single
request? Does it do this in all browsers? I am just wondering if
bad HTML or something is making the app think it is getting two
requests.
Other than that, no... nothing is coming to mind.
Chuck
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Re: Method Being called Twice
Well Im gonna hang my head in shame on this one.
I stuck a break point in session's awake method and its being invoked
twice for EVERY page !
So Im guess its a problem with my template component that all the
other pages sit inside of.
Stranger still is that I tested it under Safari 2.0.4 and Firefox
1.5.04. It only does the double call under Safari.
Ok Im off to track down what's doing it.
Any suggestions of things to look for ?
Owen McKerrow
WebMaster, emlab
Ph : +61 02 4221 5517
http://emlab.uow.edu.au
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - -
"As of tomorrow, employees will only be able to access the building
using individual security cards. Pictures will be taken next
Wednesday employees will receive their cards in two weeks."
- "Dilbert Quotes" Winner, Fred Dales, Microsoft Corp
On 17/08/2006, at 1:28 PM, Chuck Hill wrote:
Now that is a good one...
Both are from invokeAction. Any custom component here? Calling
valueForBinding("action") can trip the action.
Have you verified that the app is only receiving a single request?
Does it do this in all browsers? I am just wondering if bad HTML
or something is making the app think it is getting two requests.
Other than that, no... nothing is coming to mind.
Chuck
On Aug 16, 2006, at 8:14 PM, Owen McKerrow wrote:
Hi All,
I'm having a problem with a method thats being called twice when
it should only be called once.
I have a form, with one submit button, whose action is bound to
the method typeSelectedGoToDetails(). Now I have done search
through the whole project and this method is only lised twice,
once inside the wod file as bound to the submit button and the
second time is its own declaration in the java file.
However upon clicking the submit button it is being called twice.
Listed below are the stack traces from each of the times it is
called, and a copy of the code itself.
Can anyone see what dumb thing i am doing this time ? Or explain
why the method is being called twice.
Thanks
Owen
Code :
/**
Check that the required info has been given, if so check if the
publication title is simialr to any found in the DB.
*/
public WOComponent typeSelectedGoToDetails() throws Exception
{
WOComponent nextPage = null;
int i;
boolean rightToGo = true;
if ( newTitle != null ) { //THE BREAK POINT IS ON THIS LINE
if (!newTitle.trim().equals("") ) {
if ( thePublication.publicationType() == null) {
setMessage("Please select a valid
Publication Type.");
} else {
//Check if there is more than 1 author
if ( thePublication.publicationType().hasAuthors().intValue()
== 1 && numNewAuthors < 1 ) {
rightToGo = false;
setMessage("There must be at least 1
Author.");
}
if ( thePublication.publicationType().hasEditors().intValue()
== 1 && numNewEditors < 1 ) {
rightToGo = false;
setMessage("There must be at
least 1 Editor.");
}
//Check if they need editors and if so
that there is more than 1
if ( rightToGo ) {
setMessage("");
//*** FIX ME *** Need to update so only asks for pubs who's
status is not = to new.
similarPublications =
(NSArray)searchForSimilarItems(newTitle);
}
}
} else {
setMessage("You must enter a title for the
Publication.");
}
} else {
setMessage("You must enter a title for the
Publication.");
}
if ( !similarPublicationsFound && rightToGo ) {
//No similar items found, just go stright to the
details.
setupNewPublication();
PublicationDetails newPage = (PublicationDetails) pageWithName
("PublicationDetails");
newPage.setEc(getEc());
newPage.setThePublication(thePublication);
newPage.setUp();
newPage.setAddingNew(true);
newPage.setValideS
Method Being called Twice
Hi All,
I'm having a problem with a method thats being called twice when it
should only be called once.
I have a form, with one submit button, whose action is bound to the
method typeSelectedGoToDetails(). Now I have done search through the
whole project and this method is only lised twice, once inside the
wod file as bound to the submit button and the second time is its own
declaration in the java file.
However upon clicking the submit button it is being called twice.
Listed below are the stack traces from each of the times it is
called, and a copy of the code itself.
Can anyone see what dumb thing i am doing this time ? Or explain why
the method is being called twice.
Thanks
Owen
Code :
/**
Check that the required info has been given, if so check if the
publication title is simialr to any found in the DB.
*/
public WOComponent typeSelectedGoToDetails() throws Exception
{
WOComponent nextPage = null;
int i;
boolean rightToGo = true;
if ( newTitle != null ) { //THE BREAK POINT IS ON THIS LINE
if (!newTitle.trim().equals("") ) {
if ( thePublication.publicationType() == null) {
setMessage("Please select a valid
Publication Type.");
} else {
//Check if there is more than 1 author
if ( thePublication.publicationType().hasAuthors().intValue() ==
1 && numNewAuthors < 1 ) {
rightToGo = false;
setMessage("There must be at least 1
Author.");
}
if ( thePublication.publicationType().hasEditors().intValue() ==
1 && numNewEditors < 1 ) {
rightToGo = false;
setMessage("There must be at
least 1 Editor.");
}
//Check if they need editors and if so
that there is more than 1
if ( rightToGo ) {
setMessage("");
//*** FIX ME *** Need to update so only asks for pubs who's
status is not = to new.
similarPublications =
(NSArray)searchForSimilarItems(newTitle);
}
}
} else {
setMessage("You must enter a title for the
Publication.");
}
} else {
setMessage("You must enter a title for the
Publication.");
}
if ( !similarPublicationsFound && rightToGo ) {
//No similar items found, just go stright to the
details.
setupNewPublication();
PublicationDetails newPage = (PublicationDetails) pageWithName
("PublicationDetails");
newPage.setEc(getEc());
newPage.setThePublication(thePublication);
newPage.setUp();
newPage.setAddingNew(true);
newPage.setValideState(false);
nextPage = newPage;
mySession().replaceLastCookie("PublicationDetails","Publication
Details",newPage.pagesState(),true);
} else {
nextPage = context().page();
}
return nextPage;
}
First Time :
#0 0x0004 in addPublication.typeSelectedGoToDetails() at
addPublication.java:131
#1 sun.reflect.NativeMethodAccessorImpl.invoke0()
#2 0x0057 in sun.reflect.NativeMethodAccessorImpl.invoke() at
NativeMethodAccessorImpl.java:39
#3 0x0006 in sun.reflect.DelegatingMethodAccessorImpl.invoke() at
DelegatingMethodAccessorImpl.java:25
#4 0x006f in java.lang.reflect.Method.invoke() at Method.java:324
#5 0x0003 in KeyValueCodingProtectedAccessor.methodValue() at
KeyValueCodingProtectedAccessor.java:54
#6 0x0009 in com.webobjects.foundation.NSKeyValueCoding
$_MethodBinding.valueInObject() at NSKeyValueCoding.java:1160
#7 0x0022 in com.webobjects.foundation.NSKeyValueCoding
$DefaultImplementation.valueForKey() at NSKeyValueCoding.java:1268
#8 0x0002 in com.webobjects.appserver.WOComponent.valueForKey()
at WOComponent.java:1539
#9 0x001a in com.webobjects.foundation.NSKeyValueCoding
$Utility.valueForKey() at NSKeyValueCoding.java:498
#10 0x0013 in com.webobjects.foundation.NSKeyValueCodingAdditions
$DefaultImplementation.valueForKeyPath() at
NSKeyValueCodingAdditions.java:212
#11 0x0002 in com.webobjects.appserver.WOComponent.valueForKeyPa
Re: Mysterious EditingContext Swap
System.out.println("new : " + r.surname() + r.logonIdentifier()
+ r.editingContext());
save();
}
}
System.out.println("editing Context : " + ec);
((Session)session()).setCurrentUser((Recipient)
EOUtilities.localInstanceOfObject(((Session)session
()).defaultEditingContext(),r));
}
catch (java.lang.IllegalArgumentException ex) {
}
catch (Exception e)
{
throw e;
}
}
private void save() throws Exception
{
try {
// ec.lock();
ec.saveChanges();
// ec.unlock();
} catch (Exception exception) {
app.setErrorMessage("Error when trying to add a new recipient. save
() menu.java\n");
throw exception;
}
}
}
Owen McKerrow
WebMaster, emlab
Ph : +61 02 4221 5517
http://emlab.uow.edu.au
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - -
'The test of a first-rate intelligence is the ability to hold two
opposed ideas in the mind at the same time and still be able to
function.'
-F.Scott Fitzgerald,
On 02/08/2006, at 1:09 PM, Ken Anderson wrote:
Owen,
Are you paraphrasing the error message? I have to admit, I've
never heard of a database context's "active" editing context. Is
there other code besides this? Have you isolated this code out in
a separate project?
Ken
On Aug 1, 2006, at 10:42 PM, Owen McKerrow wrote:
Hi All,
Im having issues with an editing context that seems to somehow be
switching behind my back.
Vitals : OS X 10.4.7 WO 5.3 Java 1.4.2
OK first an explaination :
On our login in page we check if the user already has an account,
if so log them in, if not make them one attach them to an instance
of company and then log them in. From a clean DB i.e. no users in
it I can log in as user one and it makes the user fine. I can then
re-log in as this user. If I log in as another user I get a error
saying that the company object is in another editing context.
So I added in debug statements to check what was happening with it.
And it seems between grabbing the company, creating a new user and
then doing addObjectToBothSidesOfRelationship, my active editing
context changes.
Short Version ( debug statements spaced in-between the lines of
code ) :
//Editing Context just been made :
[EMAIL PROTECTED]
Company theCompany = (Company)
com.webobjects.eoaccess.EOUtilities.objectMatchingKeyAndValue
(ec,"Company","logonIdentifier","UOW");
System.out.println("Company : " + theCompany.editingContext());
//Company : [EMAIL PROTECTED]
if( theCompany != null ) {
r = ( Recipient)
com.webobjects.eoaccess.EOUtilities.createAndInsertInstance
(ec,"Recipient");
System.out.println("New Recipient : " + r.editingContext());
//New Recipient : [EMAIL PROTECTED]
r.setLogonIdentifier(userName);
r.addObjectToBothSidesOfRelationshipWithKey
(theCompany,"company"); //Error is thrown on this line
Short error ( referring to theCompany ):
Cannot obtain globalId for an object which is registered in an
other than the databaseContext's active editingContext
databaseContext: [EMAIL PROTECTED]
object's editingContext:
[EMAIL PROTECTED]
databaseContext's active editingContext:
[EMAIL PROTECTED]
As you can see the Company's editing context is aab7d, however
when I call addObjectToBothSidesOfRelationshipWithKey the active
editing context is apparently 883540.
How is the active editing context "swapping" ? In fact where is if
getting this active editing context from ?
Anyone have any ideas ?
Thanks
Owen
PS Heres the "fuller" version
Long Version :
The code :
ec = new EOEditingContext();
try {
//search the recipient table for the username
Recipient r = null;
NSMutableDictionary dic = new NSMutableDictionary();
dic.setObjectForKey(userName,"logon");
NSArray temp =
EOUtilities.objectsWithFetchSpecificationAndBindings
(ec,"Recipient","RecipSearch",dic);
if( temp.count() > 0 ) {
r = (Recipient)temp.lastObject();
System.out.println("Old : " + r.surname() + r.logonIdentifier
() + r.editingContext());
}
System.out.println("Editing after search for old : " +
ec);
//insert new row in da
Mysterious EditingContext Swap
Hi All,
Im having issues with an editing context that seems to somehow be
switching behind my back.
Vitals : OS X 10.4.7 WO 5.3 Java 1.4.2
OK first an explaination :
On our login in page we check if the user already has an account, if
so log them in, if not make them one attach them to an instance of
company and then log them in. From a clean DB i.e. no users in it I
can log in as user one and it makes the user fine. I can then re-log
in as this user. If I log in as another user I get a error saying
that the company object is in another editing context.
So I added in debug statements to check what was happening with it.
And it seems between grabbing the company, creating a new user and
then doing addObjectToBothSidesOfRelationship, my active editing
context changes.
Short Version ( debug statements spaced in-between the lines of
code ) :
//Editing Context just been made :
[EMAIL PROTECTED]
Company theCompany = (Company)
com.webobjects.eoaccess.EOUtilities.objectMatchingKeyAndValue
(ec,"Company","logonIdentifier","UOW");
System.out.println("Company : " + theCompany.editingContext());
//Company : [EMAIL PROTECTED]
if( theCompany != null ) {
r = ( Recipient)
com.webobjects.eoaccess.EOUtilities.createAndInsertInstance
(ec,"Recipient");
System.out.println("New Recipient : " + r.editingContext());
//New Recipient : [EMAIL PROTECTED]
r.setLogonIdentifier(userName);
r.addObjectToBothSidesOfRelationshipWithKey
(theCompany,"company"); //Error is thrown on this line
Short error ( referring to theCompany ):
Cannot obtain globalId for an object which is registered in an other
than the databaseContext's active editingContext
databaseContext: [EMAIL PROTECTED]
object's editingContext: [EMAIL PROTECTED]
databaseContext's active editingContext:
[EMAIL PROTECTED]
As you can see the Company's editing context is aab7d, however when I
call addObjectToBothSidesOfRelationshipWithKey the active editing
context is apparently 883540.
How is the active editing context "swapping" ? In fact where is if
getting this active editing context from ?
Anyone have any ideas ?
Thanks
Owen
PS Heres the "fuller" version
Long Version :
The code :
ec = new EOEditingContext();
try {
//search the recipient table for the username
Recipient r = null;
NSMutableDictionary dic = new NSMutableDictionary();
dic.setObjectForKey(userName,"logon");
NSArray temp = EOUtilities.objectsWithFetchSpecificationAndBindings
(ec,"Recipient","RecipSearch",dic);
if( temp.count() > 0 ) {
r = (Recipient)temp.lastObject();
System.out.println("Old : " + r.surname() + r.logonIdentifier() +
r.editingContext());
}
System.out.println("Editing after search for old : " +
ec);
//insert new row in database if recipient does not exist
if (r==null) {
System.out.println("Editin Context at start of
create : " + ec);
Company theCompany = (Company)
com.webobjects.eoaccess.EOUtilities.objectMatchingKeyAndValue
(ec,"Company","logonIdentifier","UOW");
System.out.println("Company : " +
theCompany.editingContext());
if( theCompany != null ) {
r = ( Recipient)
com.webobjects.eoaccess.EOUtilities.createAndInsertInstance
(ec,"Recipient");
System.out.println("New Recipient : " +
r.editingContext());
r.setLogonIdentifier(userName);
r.addObjectToBothSidesOfRelationshipWithKey(theCompany,"company");
The Debug Statements :
Logged in as user 1 ( all works fine ) :
Editing Context just been made :
[EMAIL PROTECTED]
Session has been created.
Editing Context at start of checkRecipient :
[EMAIL PROTECTED]
Editing after search for old :
[EMAIL PROTECTED]
Editin Context at start of create :
[EMAIL PROTECTED]
Company : [EMAIL PROTECTED]
New Recipient : [EMAIL PROTECTED]
new : [EMAIL PROTECTED]
editing Context : [EMAIL PROTECTED]
Session Terminate
Log in for second time as user 1 ( all works fine ) :
Editing Context just been made :
[EMAIL PROTECTED]
Session has been created.
Editing Context at start of checkRecipient :
[EMAIL PROTECTED]
Old : [EMAIL PROTECTED]
Editing after search for old :
[EMAIL PROTECTED]
editing Context : [EMAIL PROTECTED]
Session Terminate
Log in As User 2 :
Editing Context just been made :
[EMAIL PROTECTED]
Session has been created.
Editing Context at start of checkRecipient :
[EMAIL PROTECTED]
Editing after search for old :
[EMAIL PROTECTED]
Editin Context at start of create :
[EMAIL PROTECTED]
Company : [EMAI
Help : Null in _globalIDForObject()
Hi All, We were about to release an app to our client for final approvals and this strange error just popped up. We are using WO 5.3 build, on a 5.2.4 Deployment, OS X Server, talking to an Oracle 9 database. Any ideas ? EXCEPTION: null DATE/TIME: 2006-07-24 23:44:02 Etc/GMT STACK TRACE: at _globalIDForObject(EODatabaseContext.java:4838) at databaseOperationForObject(EODatabaseContext.java:4955) at valuesForKeys(EODatabaseContext.java:6692) at valuesForKeys(EOObjectStoreCoordinator.java:341) at schemaBasedQualifierWithRootEntity(EOQualifierSQLGeneration.java:418) at _schemaBasedQualifierWithRootEntity(EOQualifierSQLGeneration.java: 165) at selectObjectsWithFetchSpecification(EODatabaseChannel.java:210) at _objectsWithFetchSpecificationEditingContext (EODatabaseContext.java:3196) at objectsWithFetchSpecification(EODatabaseContext.java:3337) at objectsWithFetchSpecification(EOObjectStoreCoordinator.java:539) at objectsWithFetchSpecification(EOEditingContext.java:4053) at objectsForSourceGlobalID(EODatabaseContext.java:4251) at objectsForSourceGlobalID(EOObjectStoreCoordinator.java:682) at objectsForSourceGlobalID(EOEditingContext.java:3904) at _fireArrayFault(EODatabaseContext.java:4418) at completeInitializationOfObject(EOAccessArrayFaultHandler.java:70) at willRead(_EOCheapCopyMutableArray.java:38) at objectsNoCopy(_EOCheapCopyMutableArray.java:87) at (NSArray.java:393) at setUp(PerformanceComponent.java:49) at (Expectations.java:21) at newInstance0(NativeConstructorAccessorImpl.java:NA) at newInstance(NativeConstructorAccessorImpl.java:39) Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 'The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time and still be able to function.' -F.Scott Fitzgerald, ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to archive@mail-archive.com
Re: WOCheckBox woes.
That is the correct understanding. Is your checkbox inside a form ? If so are you submitting the form via a button or a link ? Remember that hyper-links don't submit changes in form values. Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "I like the way this project has somehow, against all common sense, got itself made." - Peter Jackson, "The Lord of The Rings" On 21/07/2006, at 9:27 AM, Zac Konopa wrote: Okay all, I'm having a weird problem and I think it's a result of not having a clear understanding of the working of all the bindings involved. I've got a WOCheckBox. I have bound to it's checked attribute a primitive boolean value. Said boolean is set to "true" when the page is instantiated. The page is accurately displayed with the check box checked. If I leave the boxes alone the boolean variable retains it's "true" state. When I uncheck the box as I understand it the boolean should be assigned the value "false". Instead I'm getting a null value in my boolean. Am I misunderstanding the use of the checked binding for WOCheckBox or do I need to look elsewhere in my code? Thanks, Zac ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/owen% 40uow.edu.au This email sent to [EMAIL PROTECTED] ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to archive@mail-archive.com
Re: Simple Search
Hi David,
What kind of search are you trying to do ? Is the display group using
a fetch spec you built in modler ? Is it using bindings one of the
query methods ? From your error statment it looks like your using key
value coding. Basically the issue is that you entity Document doe not
have an attribute in it called simpleSearch. So when it try's to ask
for the value of "simpleString" it says I don't know anything about a
simple string.
As author and title are different attributes in your Document, you
don't join them together to search over them. You use a "AND" or an
"OR" search.
And this is where its important to know what kind of search you are
doing.
Owen McKerrow
WebMaster, emlab
Ph : +61 02 4221 5517
http://emlab.uow.edu.au
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - -
"I like the way this project has somehow, against all common sense,
got itself made."
- Peter Jackson, "The Lord of The Rings"
On 15/07/2006, at 10:03 AM, David Holt wrote:
I am using DisplayGroups which make queries on individual
attributes very easy.
I would like to provide a simple search where one text field
returns a search on a concatenation of several attributes of the
entity. I just tried putting the following code in my EO to try
this concept out (title and author are attributes in the entity):
public String simpleSearch() {
String author = author();
String title = title();
String simpleSearch;
if ((author != null) && (!author.equals(""))) {
simpleSearch = author + " " + title;
}
else {
simpleSearch = title;
}
return simpleSearch;
}
When I try and do a queryMatch on the simpleSearch field I get an
error:
java.lang.IllegalStateException: sqlStringForKeyValueQualifier:
attempt to generate SQL for
com.webobjects.eocontrol.EOKeyValueQualifier (simpleSearch
caseinsensitivelike '*test*') failed because attribute identified
by key 'simpleSearch' was not reachable from from entity 'Document'
I assume this is because the attribute "simpleSearch" is not
actually in the database. Is there a better strategy for searching
concatenated fields using DisplayGroups?
Thanks,
David
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Re: WO and Memory Management
Yes a couple of days ago we were. Although we seem to be past them now and are dealing with the issue of WO not appearing to let go of the memory it uses and it having "broken pipe" issues. Owen McKerrow WebMaster, emlab Ph : +61 02 4221 5517 http://emlab.uow.edu.au - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "I like the way this project has somehow, against all common sense, got itself made." - Peter Jackson, "The Lord of The Rings" On 14/07/2006, at 3:33 PM, [EMAIL PROTECTED] wrote: Hello Owen; its better to explicitly call System.gc() in WO App's. Whats the rule of thumb here in terms of how often, is there a better spot than others etc etc ? It is only ever a hint, never a demand. I have resorted to this infrequently. That's correct, but I think the problem arises that if it does decide to do a full-on garbage collect then it has a tendency to freeze all of the threads for a bit while it does it. This can lead to jittery responses from the application. Are you actually getting "OutOfMemoryException"-s logged? cheers. ___ Andrew Lindesay www.lindesay.co.nz ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/owen% 40uow.edu.au This email sent to [EMAIL PROTECTED] ___ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to archive@mail-archive.com
Re: WO and Memory Management
Hi Chuck
Again see comments below.
Hi All,
We are setting up an application of ours on a clients server,
they did some stress testing to see if they needed a bigger box
and discovered something strange.
Their comments
The webobjects versions have been stress tested further, we are
getting ok
results but far worse then I was hoping. RIS Public faired
worse the RIS
with it starting to get error with only 5 simultaneous users
making simple
request 5 seconds apart (running with 2 instances each with -
mx512M.
That is odd. Are you dispatching requests concurrently?
No, getting them to retest with it on.
That should make a considerable difference, unless the app is doing
a lot of EOF activity.
A major point of interest is that garbage collection does not
appear to be
active for these instances.
Check for I/O and DB usage. How long does the average request
take to process?
From the stats page :
Transactions 691
Active Session 0
Average transactions 5.031
Averegae idle131.627
Five seconds on average is, IMHO, way too long.
Mine 2 :)
Either all of your actions are a little slow or some are very
slow. Sight unseen, my money is on the latter. Usually this is
the result of DB access,
either queries that are slow to evaluate due to missing indexes
DOH ! **Hits self in the head** Thats one thing I need to do when
there DBA gets back from holidays :) We moved the DB from OpenBase to
Oracle and we haven't been back an applied indexing yet : )
or lots of single row queries due to a lack of batch faulting and
pre-fetching in the application.
I have fiddled with it today. At the beginning of the day it looked
like (Note this a request for a page that loads a displaygroup to
display every publication I have in the DB and the stats before are
for the first time it is accessed for the app ) :
09:45:42,150 DEBUG [WorkerThread0] (PublicationsList:48 ) -
Publication Constructor
09:45:43,188 DEBUG [WorkerThread0] (PublicationsList:149
updatePublicationListing) - Update Pubs
09:45:45,001 DEBUG [WorkerThread0] (PublicationsList:208
updatePublicationListing) - End Update Pubs.762 total Pubs
09:45:48,257 OFF [WorkerThread0] (Log.NSLogOut:1546 appendln) - Now
asleep
After my tweaks ( the biggest time saver here was changing to use
EOSharedEditingContext, as its a read only ap ) :
13:32:53,295 DEBUG [WorkerThread0] (PublicationsList:48 ) -
Publication Constructor
13:32:54,174 DEBUG [WorkerThread0] (PublicationsList:143
updatePublicationListing) - Update Pubs for Faculty of Education
13:32:54,920 DEBUG [WorkerThread0] (PublicationsList:196
updatePublicationListing) - End Update Pubs.762 total Pubs
13:32:58,467 OFF [WorkerThread0] (Log.NSLogOut:1546 appendln) - Now
asleep
So between the constructor ( line 1 ) and the time the Pubs have been
loaded (line 3) went from 2.8 seconds to 1.6 ( and will hopefully get
faster once I index **Hits self in the head again**)
But the biggest time is between the end of the updatePublicationsList
() and sleep(). I need to do some further testing to see if Im
grabbing more objects from the DB ( as you said "lots of single row
queries.") or its because of the actual page itself. The site has a
quotation style engine in it which basically on the fly changes the
way in which a publication is displayed. This is what suspect is
chewing up time. The other reason I think this may be the case is the
time between line 3 and line 4 doesn't change when I come back to the
page i.e. the EO's should be in memory, but the time to "render" the
page seems to be the same.
Are you a Project Wonder user?
Nope, always wonder, never plunged. It may be my pet project while Im
at WWDC this year.
Any volunteer tutors ? :)
There is a class in there that will log out all queries that take
longer than X seconds to return. That is a good way of finding
slow queries. If not, I can dig out a similar class. I thought it
was in Practical WebObjects, but I can't find it now.
If you remember where it is I would love a copy.
For lots of single queries, the best way I have found is to just
turn on SQL logging and look at what is spit out. If you see reams
of queries one after the other, each returning a single row, that
is your problem.
I will also suggest that you add this to Application or modify what
is there:
/**
* Overidden to log RR loop and gather statistics.
*/
public WOResponse dispatchRequest(WORequest request) {
NSLog.out.appendln("=== New Request: " + request.uri
());
NSLog.out.appendln("Headers: " + request.headers());
long startTime = System.currentTimeMillis();
WOResponse response = super.dispatchRequest(request);
long endTime = System.currentTimeMillis();
NSLog.out.appendln("Elapsed Time," + (endTime -
startTime) / 1000.0 + ","
