[appengine-java] Issue with OpenId Login implementation
If we use blogger as OpenId provider and login, the User object doesn't have the email. This causes a Server Error "A server error has occurred." when looking up the entity with User object in Datastore viewer. Also, with Wordpress as OpenId Provider, the email is received at the first time login. With the "Always Allow" option, the email is not received in subsequent logins, resulting in server error for the entity with User object lookup. It appears that the User class internally expects email to be mandatory and toString method prints the same. Since the toString prints empty, it could be failing some validation and resulting in server error. Please advise anything can be worked around to overcome this. -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-j...@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
[appengine-java] JDO Class enhancer and reflection: constructors added ?
Hello, My application code uses reflection on constructors to construct objects in some "dynamic" mananer. I noticed that when calling Class.getDeclaredConstructors() on my JDO- enhanced classes, I have more constructors than the ones I explicitely coded by myself. [ Questions: [I could not figure the points below out by myself] a) does the jdo class enhancer add some constructor(s) ? b) under which algorithm ? I.e how many and with which parameters ? I need to know this to take care of them properly in my reflection code. regards didier -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-j...@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
[appengine-java] Which constructor called on PersistenceManager.getObjectById() ?
Hello, I would like to do a specific action when an object gets loaded from the datastore. I would like to do this action "from within the object itself". Can somebody tell me a) which constructor gets called on this load from datastore ? b) how do I detect that the constructor is called on a load from datastore ? (to differentiate from a regular "new" in the application) thanks regards didied -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-j...@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
[appengine-java] Re: How to see the list of my applications?
Hi, After your login, put this address on in address bar of your browser https://appengine.google.com/ didier On Jul 3, 4:43 pm, tleroy wrote: > Hi everybody, > > maybe it's a basic question but I can't see the list of my > applications. > The only things I see when i log in my gae account is : > > Welcome to Google App Engine > > Before getting started, you want to learn more about developing and > deploying applications. > Learn more about Google App Engine by reading the Getting Started > Guide, the FAQ, or the Developer's Guide. > [Create an Application] > > I read there is an admin console I would like to access to it? I don't > know how to do, please help me : ) > > Thank you. -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-j...@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
[appengine-java] Re: regarding the keys in the datastore
Hi, You can also create your own keys (i.e. with the structure you want) via KeyFactory.createKey() regards didier On Jul 3, 9:58 pm, Deepika M wrote: > Hi, > > I have a question about the keys in the datastore. > > The keys are in sorted order when I view in the local datastore. For > example, when I initially store say 10 entities and the keys range from 8000 > to 8009, then next time when I store 10 entities, the keys range from > 8010-8019. That is the next key starts in the ascending order. > > But when I store in the app engine, the keys are not in order and random > keys are assigned. For example , the first key will be 3001 and the next key > will be 8343. So, the next time when I store the entities, some of them are > assigned keys between 3001 and 8343. Can anyone please explain why? Is there > a possible way to have the keys in sorted order in the app engine datastore? > > Thanks, > Deepika -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-j...@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
[appengine-java] Re: Uploading to blobstore gives OutOfMemoryError
I'm having the exact same issue too, down to the line numbers in the stack trace. Has anyone figured out what is causing this? I find it hard to believe we've all made the exact same identical mistake, all within the last month. Is something wrong on Google's end? Cheers, Adrian On Jun 2, 7:14 pm, Jean Hsu wrote: > Hi all, > > I am trying to set up a basic file upload to blobstore, but I get > this OutOfMemoryError: > > WARNING: Error for /_ah/upload/ > aghvbWdkcmVzc3IcCxIVX19CbG9iVXBsb2FkU2Vzc2lvbl9fGMACDA > java.lang.OutOfMemoryError: Java heap space > at java.util.Arrays.copyOf(Arrays.java:2786) > at java.io.ByteArrayOutputStream.write(ByteArrayOutputStream.java:71) > at > javax.mail.internet.MimeMultipart.readTillFirstBoundary(MimeMultipart.java: > 316) > at javax.mail.internet.MimeMultipart.parse(MimeMultipart.java:186) > at javax.mail.internet.MimeMultipart.getCount(MimeMultipart.java:109) > at > com.google.appengine.api.blobstore.dev.UploadBlobServlet.handleUpload(UploadBlobServlet.java: > 135) > at com.google.appengine.api.blobstore.dev.UploadBlobServlet.access > $000(UploadBlobServlet.java:72) > at com.google.appengine.api.blobstore.dev.UploadBlobServlet > $1.run(UploadBlobServlet.java:100) > at java.security.AccessController.doPrivileged(Native Method) > at > com.google.appengine.api.blobstore.dev.UploadBlobServlet.doPost(UploadBlobServlet.java: > 98) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:713) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:806) > at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java: > 511); > > I used the Memory Analyzer on Eclipse and it said that the memory leak > suspect is QueuedThreadPool. I found this information about a memory > leak bug: > > http://jira.codehaus.org/browse/JETTY-1188 > > How can I figure out what release of jetty is running locally? It > looks like they fixed this in version 6.1.23: > > http://jira.codehaus.org/secure/ReleaseNote.jspa?projectId=11160&vers... > > Has anyone else had this issue? > > Thanks, > Jean -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-j...@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
Re: [giannim] [appengine-java] app engine and db server elsewhere...
SDC (Secure Data Connector) does allow you to connect to external data sources securely through URL fetch. If you can provide some kind of HTTP RPC mechanism for your app to connect to then yes. On Sun, Jul 4, 2010 at 5:47 AM, emigrant wrote: > hi all, > can i put my java app in google app engine and have conneciton to mysql > database server outside? > > thanks a lot/ > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine for Java" group. > To post to this group, send email to > google-appengine-j...@googlegroups.com. > To unsubscribe from this group, send email to > google-appengine-java+unsubscr...@googlegroups.com > . > For more options, visit this group at > http://groups.google.com/group/google-appengine-java?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "giannim" group. > To post to this group, send email to gian...@google.com. > To unsubscribe from this group, send email to > giannim+unsubscr...@google.com . > For more options, visit this group at > http://groups.google.com/a/google.com/group/giannim/?hl=en. > > -- Gianni Mariani Google, Sydney -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-j...@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
Re: [appengine-java] Re: Any ETA for a backup/restore facility?
I have had success uploading data in bulk from Java using this
RemoteDatastore code:
http://code.google.com/p/remote-datastore/
It is very easy to use and because it operates at the binary protocol
buffer level it is very fast
Here is an example of using it to upload data:
public class UploadData
{
public static void main(String[] args)
{
// only call install once - often in a static initializer
RemoteDatastore.install();
// tell remote datastore where to connect
RemoteDatastore.divert("http://myVersion.latest.myApp.appspot.com/remote-datastore
", "myApp", "myVersion");
// use standard datastore API to get a datastore service instance
DatastoreService service =
DatastoreServiceFactory.getDatastoreService();
// create some entities
Entity entity1 = new Entity("myKindName");
entity1.setProperty("property1", "hello");
Entity entity2 = new Entity("myKindName");
entity2.setProperty("property1", "there");
// sends the data over http to your remote servlet and stores it
in the live datastore
datastore.put(Arrays.asList(entity1, entity2);
}
}
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[appengine-java] DataNucleus Enhancer failed to run
Hi, I was working happily, changed few lines of java code(didnt touch any eclipse setting or installed any thing new or added extar jar in classpth) and then started getting follwoing error. Please help spent half a day and not able to understand how this error emerged. Googled this error an dpeople are saying that if classpth goes long then this error comes but i have not changed classpth since few days, just writing new java files. DataNucleus Enhancer has encountered a problem Error Sun Jul 04 18:45:14 BST 2010 Cannot run program "C:\Program Files (x86)\Java\jdk1.6.0_17\bin \javaw.exe" (in directory "Y:\projects\New-Eclipse-Workspace \TestGwt"): CreateProcess error=87, The parameter is incorrect eclipse.buildId= java.version=1.6.0_20 java.vendor=Sun Microsystems Inc. BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_GB Framework arguments: -product org.eclipse.epp.package.jee.product Command-line arguments: -os win32 -ws win32 -arch x86 -product org.eclipse.epp.package.jee.product -clean java.io.IOException: Cannot run program "C:\Program Files (x86)\Java \jdk1.6.0_17\bin\javaw.exe" (in directory "Y:\projects\New-Eclipse- Workspace\TestGwt"): CreateProcess error=87, The parameter is incorrect at java.lang.ProcessBuilder.start(Unknown Source) at com.google.gdt.eclipse.core.ProcessUtilities.launchProcessAndActivateOnError(ProcessUtilities.java: 195) at com.google.appengine.eclipse.core.orm.enhancement.EnhancerJob.runInWorkspace(EnhancerJob.java: 78) at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java: 38) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.io.IOException: CreateProcess error=87, The parameter is incorrect at java.lang.ProcessImpl.create(Native Method) at java.lang.ProcessImpl.(Unknown Source) at java.lang.ProcessImpl.start(Unknown Source) ... 5 more -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-j...@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
[appengine-java] Re: SQL Like operator with %
That will work. Thank you very much Ravinder.
On Jul 2, 7:49 am, RAVINDER MAAN wrote:
> we can set it in following way
>
> public class User {
>
> @Persistent(defaultFetchGroup="true")
> private Set searchWords;
>
> public static void getCombination(String word,Set searchWords){
> word = word.trim().toUpperCase();
> if(word == null || "".equals(word))
> return ;
> int wordLength = word.length();
> while(true){
> for(int i=0;i searchWords.add(word.substring(i, wordLength));}
>
> for(int i=wordLength-1;i > 1;i--){
> searchWords.add(word.substring(0, i));}
>
> word = word.substring(1,wordLength-1);
> wordLength = word.length();
> if(wordLength <= 2)
> break;
> else
> searchWords.add(word);}
> return ;
> }
>
> public List search(String tag){
> PersistenceManager pm = PMF.getPM();
> Transaction tx=pm.currentTransaction();
> try
> {
> tx.begin();
>
> Query q = pm.newQuery("javax.jdo.query.JDOQL","SELECT FROM
> "+User.class.getName()+" WHERE searchWords == \""+tag.toUpperCase()+"\"");
> q.setRange(0,10);
> List c = (List)q.execute();
> tx.commit();
> return c;}
>
> finally
> {
> if (tx.isActive())
> {
> tx.rollback();
> }
>
> pm.close();}
>
> }
>
> }
>
> You can modify getCombination the way you want.
>
> --
>
> Regards,
> Ravinder Singh Maan
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[appengine-java] Re: regarding the keys in the datastore
The datastore is DISTRIBITED and that's why. You can assign keys manually using low-level datastore API - methods allocateIds(..) of the class DatastoreService: http://code.google.com/appengine/docs/java/javadoc/com/google/appengine/api/datastore/DatastoreService.html Vaclav On Jul 3, 9:58 pm, Deepika M wrote: > Hi, > > I have a question about the keys in the datastore. > > The keys are in sorted order when I view in the local datastore. For > example, when I initially store say 10 entities and the keys range from 8000 > to 8009, then next time when I store 10 entities, the keys range from > 8010-8019. That is the next key starts in the ascending order. > > But when I store in the app engine, the keys are not in order and random > keys are assigned. For example , the first key will be 3001 and the next key > will be 8343. So, the next time when I store the entities, some of them are > assigned keys between 3001 and 8343. Can anyone please explain why? Is there > a possible way to have the keys in sorted order in the app engine datastore? > > Thanks, > Deepika -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-j...@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
[appengine-java] Re: Eclipse/Ant/SDK best practice
Helios has worked perfect for me with the new Google Plugin, I just pointed it to my workspace directory and it picked up all my projects with no problems. On Jul 3, 11:43 pm, Roy wrote: > I do all my development in Eclipse, and then use ant for automated > test and building my distros. > > Whenever there is a new G plugin for eclipes, I tend to have to > download the SDKs twice; Once as part of the eclipse plugin and then a > second time so I can include them in the classpaths in my ant scripts. > > Is this normal? or is there a better way to share SDKs between Eclipse > and Ant > > also ... > > what are people's experiences with Helios and Google so far? I'm keen > to upgrade from Galileo but don't have much slack time in the event of > stuff not working -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-j...@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
