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Re: unable to increment snapshot count for object
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Re: unable to increment snapshot count for object

  • Subject: Re: unable to increment snapshot count for object
  • From: Chuck Hill <email@hidden>
  • Date: Wed, 12 Feb 2014 01:52:07 +0000
  • Thread-topic: unable to increment snapshot count for object
That handles editing contexts, but  not the EODatabaseContext or EOCooperatingObjectStore.  If you are using an old Wonder (or other old frameworks) you may have buggy code there.


Chuck


On 2/6/2014, 11:51 AM, "Calven Eggert" wrote:

no static init blocks in Main or CORELogin (the calling class).

the only locking that is done in app or framework is here using the MultiECLockManager:

    public Session() {
        super();
ecManager = new MultiECLockManager();
    }

    

publicvoid finalize() throws Throwable {
ecManager = null;
super.finalize();
}
publicvoid awake() {
super.awake();
ecManager.lock();
}
publicvoid sleep() {
ecManager.unlock();
super.sleep();
}



On 2014-02-06, at 2:42 PM, Chuck Hill wrote:

So just the constructor then, no static init blocks in that class?

There are a few things that can cause this.  Improper locking of the EODatabaseContext or the OSC for example.


Chuck


On 2/6/2014, 11:37 AM, "Calven Eggert" wrote:

I have a WOComponent called CORELogin.java and it does this if a user's id/pw is valid

    Main mainPage = (Main) pageWithName("Main");

---
    public Main(WOContext context) {
        super(context);
        initialize();
    }
    public void initialize() {
...
}
---


On 2014-02-06, at 2:33 PM, Chuck Hill wrote:

What is Main?  It looks like you are calling into EOF in a static initializer.  That is NOT a good idea.

at com.webobjects.eocontrol.EOCustomObject.storedValueForKey(EOCustomObject.java:1634)
at BIXIdentity.accountName(BIXIdentity.java:44)
at TrialMgr.isTrialCoordinator(TrialMgr.java:696)
at TrialMgr.filterTrialViaQualifier(TrialMgr.java:585)
at TrialMgr.filterTrialsViaQualifier(TrialMgr.java:577)
at TrialMgr.retrieveTrials(TrialMgr.java:321)
at Main.setUpTrialsDisplay(Main.java:153)
at Main.initialize(Main.java:111)
at Main.<init>(Main.java:86)



On 2/6/2014, 11:31 AM, "Calven Eggert" wrote:

I've just looked at my log and  it looks like this error has been happening for quite a while now a couple of years, it's just that lately many more users are using the application and so the error is showing up more often.  What would cause this problem?


On 2014-02-06, at 2:12 PM, Chuck Hill wrote:

What have you changed?

On 2/6/2014, 11:05 AM, "Calven Eggert" wrote:

Hi,

All of a sudden, in the past couple of weeks, I'm getting the below error a lot and I can't figure out what the heck is going on.  Any ideas?

Yes, I'm aware of the EOF commandments. :-)

Calven
=======

java.lang.reflect.InvocationTargetException
com.webobjects.foundation.NSForwardException [java.lang.reflect.InvocationTargetException] null:java.lang.reflect.InvocationTargetException
at com.webobjects.foundation._NSUtilities._explainInstantiationException(_NSUtilities.java:600)
at com.webobjects.foundation._NSUtilities.instantiateObject(_NSUtilities.java:620)
at com.webobjects.appserver._private.WOComponentDefinition._componentInstanceInContext(WOComponentDefinition.java:567)
at com.webobjects.appserver._private.WOComponentDefinition.componentInstanceInContext(WOComponentDefinition.java:658)
at com.webobjects.appserver.WOApplication.pageWithName(WOApplication.java:2332)
at com.webobjects.appserver.WOComponent.pageWithName(WOComponent.java:1346)
at CORELogin.login(CORELogin.java:95)
at CORELogin.login(CORELogin.java:49)
at sun.reflect.GeneratedMethodAccessor344.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at KeyValueCodingProtectedAccessor.methodValue(KeyValueCodingProtectedAccessor.java:60)
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 COREGenericComponent.valueForKeyPath(COREGenericComponent.java:467)
at com.webobjects.appserver._private.WOKeyValueAssociation.valueInComponent(WOKeyValueAssociation.java:50)
at com.webobjects.appserver._private.WOSubmitButton.invokeAction(WOSubmitButton.java:81)
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.WOForm.invokeAction(WOForm.java:141)
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 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 com.webobjects.appserver.WOSession.invokeAction(WOSession.java:1357)
at com.webobjects.appserver.WOApplication.invokeAction(WOApplication.java:1745)
at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedPage(WOComponentRequestHandler.java:206)
at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedSession(WOComponentRequestHandler.java:298)
at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedApplication(WOComponentRequestHandler.java:332)
at com.webobjects.appserver._private.WOComponentRequestHandler._handleRequest(WOComponentRequestHandler.java:369)
at com.webobjects.appserver._private.WOComponentRequestHandler.handleRequest(WOComponentRequestHandler.java:442)
at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
at COREApplication.dispatchRequest(COREApplication.java:454)
at Application.dispatchRequest(Application.java:46)
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:680)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.GeneratedConstructorAccessor33.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at com.webobjects.foundation._NSUtilities.instantiateObject(_NSUtilities.java:614)
... 45 more
Caused by: java.lang.IllegalStateException: incrementSnapshotCountForGlobalID: com.webobjects.eoaccess.EODatabase com.webobjects.eoaccess.EODatabase@4cdf4bfc -- is unable to increment snapshot count for object with global ID _EOIntegralKeyGlobalID[BIXIdentity (java.lang.Integer)10665] - no snapshot exists
at com.webobjects.eoaccess.EODatabase.incrementSnapshotCountForGlobalID(EODatabase.java:1062)
at com.webobjects.eoaccess.EODatabaseContext.initializeObject(EODatabaseContext.java:3582)
at com.webobjects.eocontrol.EOObjectStoreCoordinator.initializeObject(EOObjectStoreCoordinator.java:597)
at com.webobjects.eocontrol.EOEditingContext.initializeObject(EOEditingContext.java:3768)
at com.webobjects.eoaccess.EODatabaseChannel$_EODatabaseChannelFetchResult.initializeObjects(EODatabaseChannel.java:496)
at com.webobjects.eoaccess.EODatabaseContext._objectsWithFetchSpecificationEditingContext(EODatabaseContext.java:3090)
at com.webobjects.eoaccess.EODatabaseContext.objectsWithFetchSpecification(EODatabaseContext.java:3195)
at com.webobjects.eoaccess.EODatabaseContext._fireFault(EODatabaseContext.java:4187)
at com.webobjects.eoaccess.EOAccessFaultHandler.completeInitializationOfObject(EOAccessFaultHandler.java:89)
at com.webobjects.eocontrol.EOCustomObject.willRead(EOCustomObject.java:1172)
at com.webobjects.eocontrol._EOMutableKnownKeyDictionary$Initializer$_GenericRecordBinding.valueInObject(_EOMutableKnownKeyDictionary.java:570)
at com.webobjects.eocontrol.EOCustomObject.storedValueForKey(EOCustomObject.java:1634)
at BIXIdentity.accountName(BIXIdentity.java:44)
at TrialMgr.isTrialCoordinator(TrialMgr.java:696)
at TrialMgr.filterTrialViaQualifier(TrialMgr.java:585)
at TrialMgr.filterTrialsViaQualifier(TrialMgr.java:577)
at TrialMgr.retrieveTrials(TrialMgr.java:321)
at Main.setUpTrialsDisplay(Main.java:153)
at Main.initialize(Main.java:111)
at Main.<init>(Main.java:86)


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References: 
 >unable to increment snapshot count for object (From: Calven Eggert <email@hidden>)
 >Re: unable to increment snapshot count for object (From: Chuck Hill <email@hidden>)
 >Re: unable to increment snapshot count for object (From: Calven Eggert <email@hidden>)
 >Re: unable to increment snapshot count for object (From: Chuck Hill <email@hidden>)
 >Re: unable to increment snapshot count for object (From: Calven Eggert <email@hidden>)
 >Re: unable to increment snapshot count for object (From: Chuck Hill <email@hidden>)
 >Re: unable to increment snapshot count for object (From: Calven Eggert <email@hidden>)

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