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Re: Advise on deadlock
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Re: Advise on deadlock

  • Subject: Re: Advise on deadlock
  • From: "Ricardo J. Parada" <email@hidden>
  • Date: Fri, 02 Jul 2010 14:10:44 -0400
The one exception I see before the deadlock's thread dump is this:

java.lang.IllegalArgumentException: Cannot determine primary key for entity ASCCarveout from row: {charge = 3027.00; claimID = 321839138; }
	at com.webobjects.eoaccess.EODatabaseChannel._fetchObject(EODatabaseChannel.java:348)
	at com.webobjects.eoaccess.EODatabaseContext._objectsWithFetchSpecificationEditingContext(EODatabaseContext.java:3071)
	at com.webobjects.eoaccess.EODatabaseContext.objectsWithFetchSpecification(EODatabaseContext.java:3195)
	at com.webobjects.eocontrol.EOObjectStoreCoordinator.objectsWithFetchSpecification(EOObjectStoreCoordinator.java:488)
	at com.webobjects.eocontrol.EOEditingContext.objectsWithFetchSpecification(EOEditingContext.java:4069)
	at er.extensions.eof.ERXEC.objectsWithFetchSpecification(ERXEC.java:1211)
	at com.webobjects.eoaccess.EODatabaseContext.objectsForSourceGlobalID(EODatabaseContext.java:4084)
	at com.webobjects.eocontrol.EOObjectStoreCoordinator.objectsForSourceGlobalID(EOObjectStoreCoordinator.java:634)
	at com.webobjects.eocontrol.EOEditingContext.objectsForSourceGlobalID(EOEditingContext.java:3923)
	at er.extensions.eof.ERXEC.objectsForSourceGlobalID(ERXEC.java:1169)
	at com.webobjects.eoaccess.EODatabaseContext._fireArrayFault(EODatabaseContext.java:4245)
	at com.webobjects.eoaccess.EOAccessArrayFaultHandler.completeInitializationOfObject(EOAccessArrayFaultHandler.java:77)
	at com.webobjects.eocontrol._EOCheapCopyMutableArray.willRead(_EOCheapCopyMutableArray.java:37)
	at com.webobjects.eocontrol._EOCheapCopyMutableArray.count(_EOCheapCopyMutableArray.java:86)
	at com.mpv.evaluation.ClaimEvaluator.validateClaim(ClaimEvaluator.java:398)
	...

I'm not sure yet what would cause this exception.  The ASCCarveout is an EO who's primary key is ascCarveoutID.  And it's being fetched from the database apparently.  So it should have one.  Hmmm...




On Jul 1, 2010, at 7:03 PM, Chuck Hill wrote:

>
> On Jul 1, 2010, at 3:26 PM, Ricardo J. Parada wrote:
>
>> Hi All,
>>
>> I think the thread dump I provided originally was incomplete.  So I'm starting again this thread with what I believe is the complete thread dump.  This is a Wonder application and the deadlock happens when we start processing requests concurrently.
>
> Check the log before this for exceptions.
>
>
>> First my interpretation of what each thread is doing by reading the stack traces:
>>
>> WorkerThread7, WorkerThread9, WorkerThread10, WorkerThread13:
>> These threads show MPVWOApplication trying to autoAuthenticate() and blocking when trying to fetch because the object store is already locked.
>
>
> All the interesting threads show this:
>
> 	at sun.misc.Unsafe.park(Native Method)
> 	at java.util.concurrent.locks.LockSupport.park(Unknown Source)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(Unknown Source)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(Unknown Source)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(Unknown Source)
> 	at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(Unknown Source)
> 	at java.util.concurrent.locks.ReentrantLock.lock(Unknown Source)
> 	at com.webobjects.eocontrol.EOObjectStoreCoordinator.lock(EOObjectStoreCoordinator.java:420)
>
> None of these thread appear to he holding this lock.
>
>
>> Session Timeout Thread:  This thread is sleeping. Probably irrelevant to the deadlock.
>>
>> Java2D Disposer:  This thread is just waiting for something to happen. Probably irrelevant to the deadlock.
>>
>> WorkerThread11:
>> This thread is in MPVWOSession's sleep() and waiting on an object store lock.
>>
>> WorkerThread0, WorkerThread14:
>> The Application class is doing a restoreSessionWithID() which simply calls super and then it blocks when WOSessionStore.checkOutSessionWithID() is called.
>
> These are just user clicking refresh or clicking the link button again as they have not gotten a response.
>
>
>> WorkerThread15:
>> This thread is processing an AJAX request calling priceClaim() in the PPClaimPricer component which ends up in a call to ASCModule.attemptASCCarveoutForLineItem() which tries to fetch EOs.  Not sure if it's a few or a lot.
>
> But with the same blocking as above.
>
> My guess is that some other thread locked the OSC and never unlocked it.  Probably because sessions have shared access to something and when concurrent dispatch is on, they mess each other up and that throws an exception.  This also assumes that the OSC is not getting unlocked in a finally block.
>
>
> Chuck
>
>
>
>>
>>
>> Now the thread dump:
>>
>> Jul 01 10:43:10 PatientPortionPricer[3001] FATAL er.extensions.statistics.ERXStatisticsStore  - Request is taking too long, possible deadlock: 300576 ms
>>
>> Request Thread Name: ERXStopWatchTimer
>>
>> WorkerThread7:
>> Thread[WorkerThread7,5,main]:
>> 	at sun.misc.Unsafe.park(Native Method)
>> 	at java.util.concurrent.locks.LockSupport.park(Unknown Source)
>> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(Unknown Source)
>> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(Unknown Source)
>> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(Unknown Source)
>> 	at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(Unknown Source)
>> 	at java.util.concurrent.locks.ReentrantLock.lock(Unknown Source)
>> 	at com.webobjects.eocontrol.EOObjectStoreCoordinator.lock(EOObjectStoreCoordinator.java:420)
>> 	at com.webobjects.eocontrol.EOEditingContext.lockObjectStore(EOEditingContext.java:4666)
>> 	at er.extensions.eof.ERXEC.lockObjectStore(ERXEC.java:715)
>> 	at com.webobjects.eocontrol.EOEditingContext.objectsWithFetchSpecification(EOEditingContext.java:4067)
>> 	at er.extensions.eof.ERXEC.objectsWithFetchSpecification(ERXEC.java:1211)
>> 	at com.webobjects.eocontrol.EOEditingContext.objectsWithFetchSpecification(EOEditingContext.java:4444)
>> 	at com.webobjects.eoaccess.EOUtilities.objectsWithQualifierFormat(EOUtilities.java:165)
>> 	at com.mpv.webcomponents.MPVWOApplication.autoAuthenticate(MPVWOApplication.java:660)
>> 	at com.mpv.webcomponents.MPVWOApplication.pageWithName(MPVWOApplication.java:534)
>> 	at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedSession(WOComponentRequestHandler.java:284)
>> 	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:445)
>> 	at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
>> 	at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1920)
>> 	at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1885)
>> 	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(Unknown Source)
>> Session Timeout Thread:
>> Thread[Session Timeout Thread,5,main]:
>> 	at java.lang.Thread.sleep(Native Method)
>> 	at com.webobjects.appserver.WOSessionStore$_SessionTimeoutManager.run(WOSessionStore.java:98)
>> 	at java.lang.Thread.run(Unknown Source)
>> Java2D Disposer:
>> Thread[Java2D Disposer,10,main]:
>> 	at java.lang.Object.wait(Native Method)
>> 	at java.lang.ref.ReferenceQueue.remove(Unknown Source)
>> 	at java.lang.ref.ReferenceQueue.remove(Unknown Source)
>> 	at sun.java2d.Disposer.run(Unknown Source)
>> 	at java.lang.Thread.run(Unknown Source)
>> WorkerThread11:
>> Thread[WorkerThread11,5,main]:
>> 	at sun.misc.Unsafe.park(Native Method)
>> 	at java.util.concurrent.locks.LockSupport.park(Unknown Source)
>> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(Unknown Source)
>> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(Unknown Source)
>> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(Unknown Source)
>> 	at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(Unknown Source)
>> 	at java.util.concurrent.locks.ReentrantLock.lock(Unknown Source)
>> 	at com.webobjects.eocontrol.EOObjectStoreCoordinator.lock(EOObjectStoreCoordinator.java:420)
>> 	at com.webobjects.eocontrol.EOEditingContext.lockObjectStore(EOEditingContext.java:4666)
>> 	at er.extensions.eof.ERXEC.lockObjectStore(ERXEC.java:715)
>> 	at com.webobjects.eocontrol.EOEditingContext.objectWillChange(EOEditingContext.java:2811)
>> 	at er.extensions.eof.ERXEC.objectWillChange(ERXEC.java:876)
>> 	at com.webobjects.eocontrol.EOObserverCenter.notifyObserversObjectWillChange(EOObserverCenter.java:399)
>> 	at com.webobjects.eocontrol.EOCustomObject.willChange(EOCustomObject.java:333)
>> 	at com.webobjects.eocontrol._EOMutableKnownKeyDictionary$Initializer$_GenericRecordBinding.setValueInObject(_EOMutableKnownKeyDictionary.java:579)
>> 	at com.webobjects.eocontrol.EOCustomObject.takeValueForKey(EOCustomObject.java:1529)
>> 	at er.extensions.eof.ERXGenericRecord.takeValueForKey(ERXGenericRecord.java:1385)
>> 	at com.mpv.webcomponents.MPVWOSession.sleep(MPVWOSession.java:1156)
>> 	at com.webobjects.appserver.WOSession._sleepInContext(WOSession.java:845)
>> 	at com.webobjects.appserver.WOApplication.saveSessionForContext(WOApplication.java:1883)
>> 	at er.extensions.appserver.ERXApplication.saveSessionForContext(ERXApplication.java:2193)
>> 	at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedApplication(WOComponentRequestHandler.java:339)
>> 	at com.webobjects.appserver._private.WOComponentRequestHandler._handleRequest(WOComponentRequestHandler.java:369)
>> 	at com.webobjects.appserver._private.WOComponentRequestHandler.handleRequest(WOComponentRequestHandler.java:445)
>> 	at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
>> 	at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1920)
>> 	at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1885)
>> 	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(Unknown Source)
>> WorkerThread9:
>> Thread[WorkerThread9,5,main]:
>> 	at sun.misc.Unsafe.park(Native Method)
>> 	at java.util.concurrent.locks.LockSupport.park(Unknown Source)
>> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(Unknown Source)
>> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(Unknown Source)
>> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(Unknown Source)
>> 	at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(Unknown Source)
>> 	at java.util.concurrent.locks.ReentrantLock.lock(Unknown Source)
>> 	at com.webobjects.eocontrol.EOObjectStoreCoordinator.lock(EOObjectStoreCoordinator.java:420)
>> 	at com.webobjects.eocontrol.EOEditingContext.lockObjectStore(EOEditingContext.java:4666)
>> 	at er.extensions.eof.ERXEC.lockObjectStore(ERXEC.java:715)
>> 	at com.webobjects.eocontrol.EOEditingContext.objectsWithFetchSpecification(EOEditingContext.java:4067)
>> 	at er.extensions.eof.ERXEC.objectsWithFetchSpecification(ERXEC.java:1211)
>> 	at com.webobjects.eocontrol.EOEditingContext.objectsWithFetchSpecification(EOEditingContext.java:4444)
>> 	at com.webobjects.eoaccess.EOUtilities.objectsWithQualifierFormat(EOUtilities.java:165)
>> 	at com.mpv.webcomponents.MPVWOApplication.autoAuthenticate(MPVWOApplication.java:660)
>> 	at com.mpv.webcomponents.MPVWOApplication.pageWithName(MPVWOApplication.java:534)
>> 	at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedSession(WOComponentRequestHandler.java:284)
>> 	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:445)
>> 	at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
>> 	at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1920)
>> 	at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1885)
>> 	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(Unknown Source)
>> WorkerThread10:
>> Thread[WorkerThread10,5,main]:
>> 	at sun.misc.Unsafe.park(Native Method)
>> 	at java.util.concurrent.locks.LockSupport.park(Unknown Source)
>> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(Unknown Source)
>> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(Unknown Source)
>> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(Unknown Source)
>> 	at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(Unknown Source)
>> 	at java.util.concurrent.locks.ReentrantLock.lock(Unknown Source)
>> 	at com.webobjects.eocontrol.EOObjectStoreCoordinator.lock(EOObjectStoreCoordinator.java:420)
>> 	at com.webobjects.eocontrol.EOEditingContext.lockObjectStore(EOEditingContext.java:4666)
>> 	at er.extensions.eof.ERXEC.lockObjectStore(ERXEC.java:715)
>> 	at com.webobjects.eocontrol.EOEditingContext.objectsWithFetchSpecification(EOEditingContext.java:4067)
>> 	at er.extensions.eof.ERXEC.objectsWithFetchSpecification(ERXEC.java:1211)
>> 	at com.webobjects.eocontrol.EOEditingContext.objectsWithFetchSpecification(EOEditingContext.java:4444)
>> 	at com.webobjects.eoaccess.EOUtilities.objectsWithQualifierFormat(EOUtilities.java:165)
>> 	at com.mpv.webcomponents.MPVWOApplication.autoAuthenticate(MPVWOApplication.java:660)
>> 	at com.mpv.webcomponents.MPVWOApplication.pageWithName(MPVWOApplication.java:534)
>> 	at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedSession(WOComponentRequestHandler.java:284)
>> 	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:445)
>> 	at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
>> 	at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1920)
>> 	at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1885)
>> 	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(Unknown Source)
>> WorkerThread13:
>> Thread[WorkerThread13,5,main]:
>> 	at sun.misc.Unsafe.park(Native Method)
>> 	at java.util.concurrent.locks.LockSupport.park(Unknown Source)
>> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(Unknown Source)
>> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(Unknown Source)
>> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(Unknown Source)
>> 	at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(Unknown Source)
>> 	at java.util.concurrent.locks.ReentrantLock.lock(Unknown Source)
>> 	at com.webobjects.eocontrol.EOObjectStoreCoordinator.lock(EOObjectStoreCoordinator.java:420)
>> 	at com.webobjects.eocontrol.EOEditingContext.lockObjectStore(EOEditingContext.java:4666)
>> 	at er.extensions.eof.ERXEC.lockObjectStore(ERXEC.java:715)
>> 	at com.webobjects.eocontrol.EOEditingContext.objectsWithFetchSpecification(EOEditingContext.java:4067)
>> 	at er.extensions.eof.ERXEC.objectsWithFetchSpecification(ERXEC.java:1211)
>> 	at com.webobjects.eocontrol.EOEditingContext.objectsWithFetchSpecification(EOEditingContext.java:4444)
>> 	at com.webobjects.eoaccess.EOUtilities.objectsWithQualifierFormat(EOUtilities.java:165)
>> 	at com.mpv.webcomponents.MPVWOApplication.autoAuthenticate(MPVWOApplication.java:660)
>> 	at com.mpv.webcomponents.MPVWOApplication.pageWithName(MPVWOApplication.java:534)
>> 	at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedSession(WOComponentRequestHandler.java:284)
>> 	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:445)
>> 	at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
>> 	at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1920)
>> 	at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1885)
>> 	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(Unknown Source)
>> WorkerThread0:
>> Thread[WorkerThread0,5,main]:
>> 	at java.lang.Object.wait(Native Method)
>> 	at java.lang.Object.wait(Unknown Source)
>> 	at com.webobjects.appserver.WOSessionStore.checkOutSessionWithID(WOSessionStore.java:191)
>> 	at com.webobjects.appserver.WOApplication.restoreSessionWithID(WOApplication.java:1913)
>> 	at er.extensions.appserver.ERXApplication.restoreSessionWithID(ERXApplication.java:2215)
>> 	at com.mpv.webapp.patientportionpricer.Application.restoreSessionWithID(Application.java:46)
>> 	at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedApplication(WOComponentRequestHandler.java:324)
>> 	at com.webobjects.appserver._private.WOComponentRequestHandler._handleRequest(WOComponentRequestHandler.java:369)
>> 	at com.webobjects.appserver._private.WOComponentRequestHandler.handleRequest(WOComponentRequestHandler.java:445)
>> 	at er.ajax.AjaxRequestHandler.handleRequest(AjaxRequestHandler.java:17)
>> 	at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
>> 	at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1920)
>> 	at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1885)
>> 	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(Unknown Source)
>> WorkerThread14:
>> Thread[WorkerThread14,5,main]:
>> 	at java.lang.Object.wait(Native Method)
>> 	at java.lang.Object.wait(Unknown Source)
>> 	at com.webobjects.appserver.WOSessionStore.checkOutSessionWithID(WOSessionStore.java:191)
>> 	at com.webobjects.appserver.WOApplication.restoreSessionWithID(WOApplication.java:1913)
>> 	at er.extensions.appserver.ERXApplication.restoreSessionWithID(ERXApplication.java:2215)
>> 	at com.mpv.webapp.patientportionpricer.Application.restoreSessionWithID(Application.java:46)
>> 	at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedApplication(WOComponentRequestHandler.java:324)
>> 	at com.webobjects.appserver._private.WOComponentRequestHandler._handleRequest(WOComponentRequestHandler.java:369)
>> 	at com.webobjects.appserver._private.WOComponentRequestHandler.handleRequest(WOComponentRequestHandler.java:445)
>> 	at er.ajax.AjaxRequestHandler.handleRequest(AjaxRequestHandler.java:17)
>> 	at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
>> 	at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1920)
>> 	at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1885)
>> 	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(Unknown Source)
>> WorkerThread15:
>> Thread[WorkerThread15,5,main]:
>> 	at sun.misc.Unsafe.park(Native Method)
>> 	at java.util.concurrent.locks.LockSupport.park(Unknown Source)
>> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(Unknown Source)
>> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(Unknown Source)
>> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(Unknown Source)
>> 	at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(Unknown Source)
>> 	at java.util.concurrent.locks.ReentrantLock.lock(Unknown Source)
>> 	at com.webobjects.eocontrol.EOObjectStoreCoordinator.lock(EOObjectStoreCoordinator.java:420)
>> 	at com.webobjects.eoaccess.EODatabaseContext.registeredDatabaseContextForModel(EODatabaseContext.java:999)
>> 	at com.webobjects.eoaccess.EODatabaseContext.registeredDatabaseContextForModel(EODatabaseContext.java:1033)
>> 	at sun.reflect.GeneratedMethodAccessor30.invoke(Unknown Source)
>> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
>> 	at java.lang.reflect.Method.invoke(Unknown Source)
>> 	at com.webobjects.foundation.NSSelector.invoke(NSSelector.java:358)
>> 	at com.webobjects.foundation.NSSelector._safeInvokeSelector(NSSelector.java:110)
>> 	at com.webobjects.eoaccess.EODatabaseChannel.setEntity(EODatabaseChannel.java:131)
>> 	at com.webobjects.eoaccess.EODatabaseChannel.setCurrentEntity(EODatabaseChannel.java:160)
>> 	at com.webobjects.eoaccess.EODatabaseChannel._setCurrentEntityAndRelationshipWithFetchSpecification(EODatabaseChannel.java:740)
>> 	at com.webobjects.eoaccess.EODatabaseChannel._selectWithFetchSpecificationEditingContext(EODatabaseChannel.java:808)
>> 	at com.webobjects.eoaccess.EODatabaseChannel.selectObjectsWithFetchSpecification(EODatabaseChannel.java:234)
>> 	at com.webobjects.eoaccess.EODatabaseContext._objectsWithFetchSpecificationEditingContext(EODatabaseContext.java:3055)
>> 	at com.webobjects.eoaccess.EODatabaseContext.objectsWithFetchSpecification(EODatabaseContext.java:3195)
>> 	at com.webobjects.eocontrol.EOObjectStoreCoordinator.objectsWithFetchSpecification(EOObjectStoreCoordinator.java:488)
>> 	at com.webobjects.eocontrol.EOEditingContext.objectsWithFetchSpecification(EOEditingContext.java:4069)
>> 	at er.extensions.eof.ERXEC.objectsWithFetchSpecification(ERXEC.java:1211)
>> 	at com.webobjects.eocontrol.EOEditingContext.objectsWithFetchSpecification(EOEditingContext.java:4444)
>> 	at com.mpv.evaluation.ASCModule.attemptASCCarveoutForLineItem(ASCModule.java:155)
>> 	at com.mpv.evaluation.ASCModule.attemptASCPricingForLineItem(ASCModule.java:124)
>> 	at com.mpv.evaluation.ASCModule.evaluateLineItems(ASCModule.java:81)
>> 	at com.mpv.evaluation.ClaimEvaluator.evaluateClaim(ClaimEvaluator.java:541)
>> 	at com.mpv.evaluation.ClaimEvaluator.performEvaluation(ClaimEvaluator.java:466)
>> 	at com.mpv.evaluation.ClaimEvaluator.processClaimWithEffectiveContract(ClaimEvaluator.java:369)
>> 	at com.mpv.evaluation.EvaluationFramework.processClaimWithEffectiveContract(EvaluationFramework.java:284)
>> 	at com.mpv.webapp.patientportionpricer.components.PPPClaimPricer.priceClaim(PPPClaimPricer.java:739)
>> 	at sun.reflect.GeneratedMethodAccessor614.invoke(Unknown Source)
>> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
>> 	at java.lang.reflect.Method.invoke(Unknown Source)
>> 	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.WOComponent.valueForBinding(WOComponent.java:731)
>> 	at com.webobjects.appserver._private.WOBindingNameAssociation.valueInComponent(WOBindingNameAssociation.java:44)
>> 	at com.webobjects.appserver.WOComponent.valueForBinding(WOComponent.java:731)
>> 	at com.webobjects.appserver._private.WOBindingNameAssociation.valueInComponent(WOBindingNameAssociation.java:44)
>> 	at er.ajax.AjaxUtils.valueForBinding(AjaxUtils.java:310)
>> 	at er.ajax.AjaxDynamicElement.valueForBinding(AjaxDynamicElement.java:45)
>> 	at er.ajax.AjaxSubmitButton.handleRequest(AjaxSubmitButton.java:326)
>> 	at er.ajax.AjaxSubmitButton.invokeAction(AjaxSubmitButton.java:317)
>> 	at com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105)
>> 	at er.extensions.components.conditionals.ERXWOConditional.invokeChildrenAction(ERXWOConditional.java:113)
>> 	at com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115)
>> 	at er.extensions.components.conditionals.ERXWOConditional.invokeAction(ERXWOConditional.java:104)
>> 	at com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105)
>> 	at er.extensions.components.conditionals.ERXWOConditional.invokeChildrenAction(ERXWOConditional.java:113)
>> 	at com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115)
>> 	at er.extensions.components.conditionals.ERXWOConditional.invokeAction(ERXWOConditional.java:104)
>> 	at com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105)
>> 	at er.extensions.components.conditionals.ERXWOConditional.invokeChildrenAction(ERXWOConditional.java:113)
>> 	at com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115)
>> 	at er.extensions.components.conditionals.ERXWOConditional.invokeAction(ERXWOConditional.java:104)
>> 	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:92)
>> 	at er.extensions.components.ERXNonSynchronizingComponent.invokeAction(ERXNonSynchronizingComponent.java:60)
>> 	at com.mpv.webcomponents.MPVSubmitLink.invokeAction(MPVSubmitLink.java:150)
>> 	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:92)
>> 	at er.extensions.components.ERXNonSynchronizingComponent.invokeAction(ERXNonSynchronizingComponent.java:60)
>> 	at com.webobjects.appserver._private.WOComponentReference.invokeAction(WOComponentReference.java:127)
>> 	at com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105)
>> 	at er.extensions.components.conditionals.ERXWOConditional.invokeChildrenAction(ERXWOConditional.java:113)
>> 	at com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115)
>> 	at er.extensions.components.conditionals.ERXWOConditional.invokeAction(ERXWOConditional.java:104)
>> 	at com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105)
>> 	at com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115)
>> 	at er.ajax.AjaxDynamicElement.invokeAction(AjaxDynamicElement.java:98)
>> 	at er.ajax.AjaxUpdateContainer.invokeAction(AjaxUpdateContainer.java:76)
>> 	at com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105)
>> 	at com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115)
>> 	at er.ajax.AjaxDynamicElement.invokeAction(AjaxDynamicElement.java:98)
>> 	at er.ajax.AjaxUpdateContainer.invokeAction(AjaxUpdateContainer.java:76)
>> 	at com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105)
>> 	at com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115)
>> 	at er.extensions.components.conditionals.ERXElse.invokeAction(ERXElse.java:43)
>> 	at com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105)
>> 	at er.extensions.components.conditionals.ERXWOConditional.invokeChildrenAction(ERXWOConditional.java:113)
>> 	at com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115)
>> 	at er.extensions.components.conditionals.ERXWOConditional.invokeAction(ERXWOConditional.java:104)
>> 	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:221)
>> 	at com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105)
>> 	at com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115)
>> 	at er.ajax.AjaxDynamicElement.invokeAction(AjaxDynamicElement.java:98)
>> 	at er.ajax.AjaxUpdateContainer.invokeAction(AjaxUpdateContainer.java:76)
>> 	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:92)
>> 	at er.extensions.components.ERXNonSynchronizingComponent.invokeAction(ERXNonSynchronizingComponent.java:60)
>> 	at com.webobjects.appserver._private.WOComponentReference.invokeAction(WOComponentReference.java:127)
>> 	at er.extensions.components._private.ERXSwitchComponent.invokeAction(ERXSwitchComponent.java:117)
>> 	at com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction(WODynamicGroup.java:105)
>> 	at com.webobjects.appserver._private.WODynamicGroup.invokeAction(WODynamicGroup.java:115)
>> 	at er.extensions.components.conditionals.ERXWOTemplate.invokeAction(ERXWOTemplate.java:51)
>> 	at er.extensions.components.ERXWOComponentContent.invokeAction(ERXWOComponentContent.java:217)
>> 	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:92)
>> 	at er.extensions.components.ERXNonSynchronizingComponent.invokeAction(ERXNonSynchronizingComponent.java:60)
>> 	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 er.extensions.components.conditionals.ERXWOTemplate.invokeAction(ERXWOTemplate.java:51)
>> 	at er.extensions.components.ERXWOComponentContent.invokeAction(ERXWOComponentContent.java:217)
>> 	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:92)
>> 	at er.extensions.components.ERXNonSynchronizingComponent.invokeAction(ERXNonSynchronizingComponent.java:60)
>> 	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:92)
>> 	at er.extensions.components.ERXNonSynchronizingComponent.invokeAction(ERXNonSynchronizingComponent.java:60)
>> 	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:92)
>> 	at er.extensions.components.ERXNonSynchronizingComponent.invokeAction(ERXNonSynchronizingComponent.java:60)
>> 	at com.webobjects.appserver.WOSession.invokeAction(WOSession.java:1357)
>> 	at com.mpv.webcomponents.MPVWOSession.invokeAction(MPVWOSession.java:220)
>> 	at com.webobjects.appserver.WOApplication.invokeAction(WOApplication.java:1745)
>> 	at er.extensions.appserver.ajax.ERXAjaxApplication.invokeAction(ERXAjaxApplication.java:93)
>> 	at er.extensions.appserver.ERXApplication.invokeAction(ERXApplication.java:1805)
>> 	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:445)
>> 	at er.ajax.AjaxRequestHandler.handleRequest(AjaxRequestHandler.java:17)
>> 	at com.webobjects.appserver.WOApplication.dispatchRequest(WOApplication.java:1687)
>> 	at er.extensions.appserver.ERXApplication.dispatchRequestImmediately(ERXApplication.java:1920)
>> 	at er.extensions.appserver.ERXApplication.dispatchRequest(ERXApplication.java:1885)
>> 	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(Unknown Source)
>> EC info:
>> Currently 0 active ECs : {})No open editing contexts (of 0)OSC info:
>> 0 active ObjectStoreCoordinators : {})No open ObjectStoreCoordinator (of 0)
>> Jul 01 10:43:24 PatientPortionPricer[3001] FATAL er.extensions.statistics.ERXStatisticsStore  - Request is taking too long, possible deadlock: 300053 ms
>>
>>
>> THANKS,
>> Ricardo
>>
>>
>
> --
> 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
>
>
>
>
>
>
>

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