Should be able to keep it locked.  

Hmmm, that child EC might be contributing to this.  I recall a discussion of 
some problems.  The details are not coming to me.



Chuck

On 2013-02-20, at 5:46 PM, Johnny Miller wrote:

> OK.  So on this particular type of EO it always goes through a wizard where I 
> use a parent & child editing context. 
> 
> Do I need to unlock/lock before I save changes on every step? 
> 
> On Feb 20, 2013, at 3:08 PM, Chuck Hill <ch...@global-village.net> wrote:
> 
>> 
>> On 2013-02-20, at 5:05 PM, Johnny Miller wrote:
>> 
>>> I can't figure out why it's talking to this EO at all.  It should be 
>>> creating a new EO not modifying an existing one.
>> 
>> That is EXACTLY what happens when things are not locked properly.  The EC 
>> processes a notification and basically goes insane, losing track of which 
>> objects are inserted, updated, etc.
>> 
>> 
>> Chuck
>> 
>> 
>>> 
>>> On Feb 20, 2013, at 3:00 PM, Ken Anderson <kenli...@anderhome.com> wrote:
>>> 
>>>> What is the code doing to the object that's being modified?
>>>> 
>>>> On Feb 20, 2013, at 5:56 PM, Johnny Miller <jlmil...@kahalawai.com> wrote:
>>>> 
>>>>> Hi Ken,
>>>>> 
>>>>> Sure -  The XXXs represent information that I stripped for customer 
>>>>> privacy.
>>>>> 
>>>>> So the EO that is getting changed exists in the DB and it is not created 
>>>>> by the app that is throwing the error.  The DB is using sequences to 
>>>>> track the primary keys.  I'm not doing anything other than using the 
>>>>> defaults.  The error is it cannot set the hub_id to null which should 
>>>>> fail validation on both the EO and the DB.  Why it is trying to do that 
>>>>> is the mystery to me.
>>>>> 
>>>>> Thanks a lot,
>>>>> 
>>>>> Johnny
>>>>> 
>>>>> com.webobjects.eoaccess.EOGeneralAdaptorException: EvaluateExpression 
>>>>> failed: : Next exception:SQL State:23502 -- error code: 0 -- msg: ERROR: 
>>>>> null value in column "hub_id" violates not-null constraint Detail: 
>>>>> Failing row contains (null, 0, 0, 1111852918, 2013-02-20 06:00:45.343-10, 
>>>>> XXXXXXXXX, XXXXXXXXXX, null, null, null, 0, null, 7171, 0, 2013-02-20 
>>>>> 06:00:45.343, 2, 2013-04-12 11:05:00-10, 2, 6, 0, null, 149, 9, 
>>>>> XXXXXXXXX, 0.00, null, null, 55.00, 11.00, null, 2, 0, 0, 0, 0, XXXXXX, 
>>>>> 2013-04-12 11:05:00, 0, 1, null). at 
>>>>> com.webobjects.eoaccess.EODatabaseContext._exceptionWithDatabaseContextInformationAdded(EODatabaseContext.java:4504)
>>>>>  at 
>>>>> com.webobjects.eoaccess.EODatabaseContext.performChanges(EODatabaseContext.java:6216)
>>>>>  at 
>>>>> com.webobjects.eocontrol.EOObjectStoreCoordinator.saveChangesInEditingContext(EOObjectStoreCoordinator.java:376)
>>>>>  at 
>>>>> com.webobjects.eocontrol.EOEditingContext.saveChanges(EOEditingContext.java:3192)
>>>>>  at er.extensions.eof.ERXEC._saveChanges(ERXEC.java:1176) at 
>>>>> er.extensions.eof.ERXEC.saveChanges(ERXEC.java:1099) at 
>>>>> com.hawaiiexecutivetransportation.components.pages.ReservationPaymentPage.processPayment(ReservationPaymentPage.java:155)
>>>>>  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at 
>>>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>>>>  at 
>>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>>>>  at java.lang.reflect.Method.invoke(Method.java:597) at 
>>>>> com.webobjects.foundation.NSKeyValueCoding$ValueAccessor$1.methodValue(NSKeyValueCoding.java:636)
>>>>>  at 
>>>>> com.webobjects.foundation.NSKeyValueCoding$_MethodBinding.valueInObject(NSKeyValueCoding.java:1134)
>>>>>  at 
>>>>> com.webobjects.foundation.NSKeyValueCoding$DefaultImplementation.valueForKey(NSKeyValueCoding.java:1324)
>>>>>  at 
>>>>> com.webobjects.appserver.WOComponent.valueForKey(WOComponent.java:1736) 
>>>>> at 
>>>>> com.webobjects.foundation.NSKeyValueCoding$Utility.valueForKey(NSKeyValueCoding.java:447)
>>>>>  at 
>>>>> com.webobjects.foundation.NSKeyValueCodingAdditions$DefaultImplementation.valueForKeyPath(NSKeyValueCodingAdditions.java:212)
>>>>>  at 
>>>>> com.webobjects.appserver.WOComponent.valueForKeyPath(WOComponent.java:1804)
>>>>>  at 
>>>>> com.webobjects.appserver._private.WOKeyValueAssociation.valueInComponent(WOKeyValueAssociation.java:50)
>>>>>  at 
>>>>> com.webobjects.appserver._private.WOSubmitButton.invokeAction(WOSubmitButton.java:70)
>>>>>  at 
>>>>> er.extensions.foundation.ERXPatcher$DynamicElementsPatches$SubmitButton.invokeAction(ERXPatcher.java:203)
>>>>>  at 
>>>>> com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105)
>>>>>  at 
>>>>> com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115)
>>>>>  at 
>>>>> com.webobjects.appserver._private.WOConditional.invokeAction(WOConditional.java:86)
>>>>>  at 
>>>>> com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105)
>>>>>  at 
>>>>> com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115)
>>>>>  at 
>>>>> er.extensions.components._private.ERXWOForm.invokeAction(ERXWOForm.java:218)
>>>>>  at 
>>>>> com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105)
>>>>>  at 
>>>>> com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115)
>>>>>  at 
>>>>> com.webobjects.appserver._private.WOComponentContent.invokeAction(WOComponentContent.java:38)
>>>>>  at 
>>>>> com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105)
>>>>>  at 
>>>>> com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115)
>>>>>  at 
>>>>> com.webobjects.appserver.WOComponent.invokeAction(WOComponent.java:1079) 
>>>>> at 
>>>>> er.extensions.components.ERXComponent.invokeAction(ERXComponent.java:168) 
>>>>> at 
>>>>> com.webobjects.appserver._private.WOComponentReference.invokeAction(WOComponentReference.java:127)
>>>>>  at 
>>>>> com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105)
>>>>>  at 
>>>>> com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115)
>>>>>  at 
>>>>> com.webobjects.appserver.WOComponent.invokeAction(WOComponent.java:1079) 
>>>>> at 
>>>>> er.extensions.components.ERXComponent.invokeAction(ERXComponent.java:168) 
>>>>> at com.webobjects.appserver.WOSession.invokeAction(WOSession.java:1357) 
>>>>> at 
>>>>> com.webobjects.appserver.WOApplication.invokeAction(WOApplication.java:1745)
>>>>>  at 
>>>>> er.extensions.appserver.ajax.ERXAjaxApplication.invokeAction(ERXAjaxApplication.java:117)
>>>>>  at 
>>>>> er.extensions.appserver.ERXApplication.invokeAction(ERXApplication.java:2029)
>>>>>  at 
>>>>> er.extensions.appserver.ERXComponentRequestHandler._dispatchWithPreparedPage(ERXComponentRequestHandler.java:157)
>>>>>  at 
>>>>> er.extensions.appserver.ERXComponentRequestHandler._dispatchWithPreparedSession(ERXComponentRequestHandler.java:235)
>>>>>  at 
>>>>> er.extensions.appserver.ERXComponentRequestHandler._dispatchWithPreparedApplication(ERXComponentRequestHandler.java:268)
>>>>>  at 
>>>>> er.extensions.appserver.ERXComponentRequestHandler._handleRequest(ERXComponentRequestHandler.java:302)
>>>>>  at 
>>>>> er.extensions.appserver.ERXComponentRequestHandler.handleRequest(ERXComponentRequestHandler.java:377)
>>>>>  at 
>>>>> com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
>>>>>  at 
>>>>> er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:2150)
>>>>>  at 
>>>>> er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:2115)
>>>>>  at 
>>>>> com.webobjects.appserver._private.WOWorkerThread.runOnce(WOWorkerThread.java:144)
>>>>>  at 
>>>>> com.webobjects.appserver._private.WOWorkerThread.run(WOWorkerThread.java:226)
>>>>>  at java.lang.Thread.run(Thread.java:662)
>>>>> 
>>>>> 
>>>>> 
>>>>> On Feb 20, 2013, at 2:46 PM, Ken Anderson <kenli...@anderhome.com> wrote:
>>>>> 
>>>>>> Johnny,
>>>>>> 
>>>>>> Could you post the details of the exception?
>>>>>> 
>>>>>> Also, how are you getting your primary keys?  You really shouldn't have 
>>>>>> a problem assuming you're using a table for primary keys.
>>>>>> 
>>>>>> Ken
>>>>>> 
>>>>>> On Feb 20, 2013, at 5:43 PM, Johnny Miller <jlmil...@kahalawai.com> 
>>>>>> wrote:
>>>>>> 
>>>>>>> Hi,
>>>>>>> 
>>>>>>> OK.  This is a hard one to explain.
>>>>>>> 
>>>>>>> Basically, I have a site that has a back and a front end.  Separate 
>>>>>>> apps running on the same host.  I'm using ERJGroupsSynchronizer.  The 
>>>>>>> host is AWS with Amazon Linux AMI.  The database is PostgreSQL 9.2.
>>>>>>> 
>>>>>>> Both ends create objects.  For some reason every few days or so I get 
>>>>>>> an EOGeneralAdapterException when the front end goes to insert an 
>>>>>>> object.  It's trying to change some properties on an EO of the same 
>>>>>>> type created at the same time in the back end.  I'm thinking that is 
>>>>>>> happening because somehow they are sharing the same primary key.
>>>>>>> 
>>>>>>> If that is right, is there a way to delay the assigning of the key 
>>>>>>> until the object gets inserted?
>>>>>>> 
>>>>>>> Aloha,
>>>>>>> Mr. Johnny Miller
>>>>>>> Web Development Manager
>>>>>>> Kahalawai Media Company
>>>>>>> Lahaina, HI 96761
>>>>>>> tel: (808) 661-7962 | mobile: (808) 283-0791
>>>>>>> website | e-mail        
>>>>>>> 
>>>>>>> _______________________________________________
>>>>>>> Do not post admin requests to the list. They will be ignored.
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>>>>>>> 
>>>>>>> This email sent to kenli...@anderhome.com
>>>>>> 
>>>>> 
>>>> 
>>> 
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>> 
>> -- 
>> Chuck Hill             
>> Executive Managing Partner, VP Development and Tecnical Services
>> 
>> 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/gvc/practical_webobjects
>> 
>> Global Village Consulting ranks 13th in 2012 in BIV's Top 100 Fastest 
>> Growing Companies in B.C! 
>> Global Village Consulting ranks 76th in 24th annual PROFIT 200 ranking of 
>> Canada’s Fastest-Growing Companies by PROFIT Magazine!
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
> 

-- 
Chuck Hill             
Executive Managing Partner, VP Development and Tecnical Services

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/gvc/practical_webobjects

Global Village Consulting ranks 13th in 2012 in BIV's Top 100 Fastest Growing 
Companies in B.C! 
Global Village Consulting ranks 76th in 24th annual PROFIT 200 ranking of 
Canada’s Fastest-Growing Companies by PROFIT Magazine!











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