Re: Let's play "Spot the Deadlock" ;-)

Anjo Krank Wed, 07 Oct 2009 23:21:57 -0700

Any comments on possible root cause and or troubleshooting tips?


Dunno, but if you had

er.extensions.ERXEC.traceOpenLocks=true

and

app.setStatisticsStore(new ERXStatisticsStore())

it would tell you (at the expense of some processing time).

Cheers, Anjo



Am 07.10.2009 um 22:06 schrieb Kieran Kelleher:

Here is an interesting deadlock I got today. I know some of you liketo comment on deadlocks ...... and I certainly appreciate it! BTW, Ihave concurrent off and Session deadlock detection on on thatinstance, so I am guessing this was an EOF lock. This app usesWonder, ERXEC, safe autolocking, and Wonder EOF stacksynchronization within instances, however there is only one commonEOF stack for normal requests and EOF stacks are createdoccasionally for intensive background tasks.
Any comments on possible root cause and or troubleshooting tips?
I had a gazillion of stacks that were the same as the two underREMOVED STACKS below, so I have removed all those for readability:
REMOVED STACKS (I removed these ones that appearred multiple timefrom the jstack output for readability):
Thread t...@56835: (state = BLOCKED)
- java.net.PlainSocketImpl.accept(java.net.SocketImpl) @bci=0,line=382 (Compiled frame; information may be imprecise)- java.net.ServerSocket.implAccept(java.net.Socket) @bci=50,line=450 (Interpreted frame)- java.net.ServerSocket.accept() @bci=48, line=421 (Interpretedframe)- com.webobjects.appserver._private.WOWorkerThread.run() @bci=26,line=238 (Compiled frame)
 - java.lang.Thread.run() @bci=11, line=613 (Interpreted frame)

Thread t...@72451: (state = BLOCKED)
-com.webobjects.appserver._private.WOComponentRequestHandler.handleRequest(com.webobjects.appserver.WORequest) @bci=21, line=432(Interpreted frame)-com.webobjects.appserver.WOApplication.dispatchRequest(com.webobjects.appserver.WORequest)@bci=41, line=1306 (Compiled frame)-er.extensions.appserver.ERXApplication.dispatchRequestImmediately(com.webobjects.appserver.WORequest)@bci=74, line=1887 (Compiled frame)-er.extensions.appserver.ERXApplication.dispatchRequest(com.webobjects.appserver.WORequest)@bci=13, line=1852 (Compiled frame)- com.webobjects.appserver._private.WOWorkerThread.runOnce()@bci=729, line=173 (Compiled frame)- com.webobjects.appserver._private.WOWorkerThread.run() @bci=129,line=254 (Interpreted frame)
 - java.lang.Thread.run() @bci=11, line=613 (Interpreted frame)

Thread t...@75779: (state = BLOCKED)
-com.webobjects.appserver._private.WOActionRequestHandler.handleRequest(com.webobjects.appserver.WORequest) @bci=54, line=142(Interpreted frame)-er.extensions.appserver.ERXDirectActionRequestHandler.handleRequest(com.webobjects.appserver.WORequest) @bci=222,line=124 (Interpreted frame)-com.webobjects.appserver.WOApplication.dispatchRequest(com.webobjects.appserver.WORequest)@bci=41, line=1306 (Compiled frame)-er.extensions.appserver.ERXApplication.dispatchRequestImmediately(com.webobjects.appserver.WORequest)@bci=74, line=1887 (Compiled frame)-er.extensions.appserver.ERXApplication.dispatchRequest(com.webobjects.appserver.WORequest)@bci=13, line=1852 (Compiled frame)- com.webobjects.appserver._private.WOWorkerThread.runOnce()@bci=729, line=173 (Compiled frame)- com.webobjects.appserver._private.WOWorkerThread.run() @bci=129,line=254 (Interpreted frame)
 - java.lang.Thread.run() @bci=11, line=613 (Interpreted frame)


REMAINING STACKS (this is everything else):

Thread t...@72195: (state = IN_NATIVE)
-com.webobjects.appserver.WOApplication.dispatchRequest(com.webobjects.appserver.WORequest)@bci=9, line=1298 (Compiled frame; information may be imprecise)-er.extensions.appserver.ERXApplication.dispatchRequestImmediately(com.webobjects.appserver.WORequest)@bci=74, line=1887 (Compiled frame)-er.extensions.appserver.ERXApplication.dispatchRequest(com.webobjects.appserver.WORequest)@bci=13, line=1852 (Compiled frame)- com.webobjects.appserver._private.WOWorkerThread.runOnce()@bci=729, line=173 (Compiled frame)- com.webobjects.appserver._private.WOWorkerThread.run() @bci=129,line=254 (Interpreted frame)
 - java.lang.Thread.run() @bci=11, line=613 (Interpreted frame)


Thread t...@76035: (state = IN_NATIVE)
- java.net.PlainSocketImpl.socketAccept(java.net.SocketImpl) @bci=0(Compiled frame; information may be imprecise)- java.net.PlainSocketImpl.accept(java.net.SocketImpl) @bci=7,line=384 (Compiled frame)- java.net.ServerSocket.implAccept(java.net.Socket) @bci=50,line=450 (Interpreted frame)- java.net.ServerSocket.accept() @bci=48, line=421 (Interpretedframe)- com.webobjects.appserver._private.WOWorkerThread.run() @bci=26,line=238 (Compiled frame)
 - java.lang.Thread.run() @bci=11, line=613 (Interpreted frame)


Thread t...@76291: (state = BLOCKED)
 - sun.misc.Unsafe.park(boolean, long) @bci=0 (Interpreted frame)
- java.util.concurrent.locks.LockSupport.park() @bci=5, line=118(Interpreted frame)- java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await() @bci=41, line=1841 (Interpreted frame)- java.util.concurrent.LinkedBlockingQueue.take() @bci=29, line=359(Interpreted frame)- java.util.concurrent.ThreadPoolExecutor.getTask() @bci=47,line=470 (Interpreted frame)- java.util.concurrent.ThreadPoolExecutor$Worker.run() @bci=18,line=674 (Interpreted frame)
 - java.lang.Thread.run() @bci=11, line=613 (Interpreted frame)


Thread t...@76547: (state = BLOCKED)
 - sun.misc.Unsafe.park(boolean, long) @bci=0 (Interpreted frame)
- java.util.concurrent.locks.LockSupport.park() @bci=5, line=118(Interpreted frame)- java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await() @bci=41, line=1841 (Interpreted frame)- java.util.concurrent.LinkedBlockingQueue.take() @bci=29, line=359(Interpreted frame)- java.util.concurrent.ThreadPoolExecutor.getTask() @bci=47,line=470 (Interpreted frame)- java.util.concurrent.ThreadPoolExecutor$Worker.run() @bci=18,line=674 (Interpreted frame)
 - java.lang.Thread.run() @bci=11, line=613 (Interpreted frame)


Thread t...@76803: (state = BLOCKED)
 - sun.misc.Unsafe.park(boolean, long) @bci=0 (Interpreted frame)
- java.util.concurrent.locks.LockSupport.park() @bci=5, line=118(Interpreted frame)- java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await() @bci=41, line=1841 (Interpreted frame)- java.util.concurrent.LinkedBlockingQueue.take() @bci=29, line=359(Interpreted frame)- java.util.concurrent.ThreadPoolExecutor.getTask() @bci=47,line=470 (Interpreted frame)- java.util.concurrent.ThreadPoolExecutor$Worker.run() @bci=18,line=674 (Interpreted frame)
 - java.lang.Thread.run() @bci=11, line=613 (Interpreted frame)


Thread t...@77059: (state = BLOCKED)
 - java.lang.Object.wait(long) @bci=0 (Interpreted frame)
- java.lang.ref.ReferenceQueue.remove(long) @bci=44, line=120(Compiled frame)- java.lang.ref.ReferenceQueue.remove() @bci=2, line=136 (Compiledframe)- org.apache.commons.httpclient.MultiThreadedHttpConnectionManager$ReferenceQueueThread.run() @bci=10, line=1122 (Interpreted frame)
Thread t...@77315: (state = BLOCKED)
- java.lang.Thread.sleep(long) @bci=0 (Compiled frame; informationmay be imprecise)- au.com.forward.threads.ThreadReturn$1.run() @bci=3, line=391(Compiled frame)
Thread t...@77571: (state = BLOCKED)
 - java.lang.Object.wait(long) @bci=0 (Interpreted frame)
-org.apache.commons.httpclient.util.IdleConnectionTimeoutThread.run()@bci=49, line=108 (Interpreted frame)
Thread t...@77827: (state = BLOCKED)
 - sun.misc.Unsafe.park(boolean, long) @bci=0 (Interpreted frame)
- java.util.concurrent.locks.LockSupport.park() @bci=5, line=118(Interpreted frame)- java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await() @bci=41, line=1841 (Interpreted frame)- java.util.concurrent.LinkedBlockingQueue.take() @bci=29, line=359(Interpreted frame)- java.util.concurrent.ThreadPoolExecutor.getTask() @bci=47,line=470 (Interpreted frame)- java.util.concurrent.ThreadPoolExecutor$Worker.run() @bci=18,line=674 (Interpreted frame)
 - java.lang.Thread.run() @bci=11, line=613 (Interpreted frame)


Thread t...@78339: (state = BLOCKED)
 - sun.misc.Unsafe.park(boolean, long) @bci=0 (Interpreted frame)
- java.util.concurrent.locks.LockSupport.park() @bci=5, line=118(Interpreted frame)- java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await() @bci=41, line=1841 (Interpreted frame)- java.util.concurrent.LinkedBlockingQueue.take() @bci=29, line=359(Interpreted frame)- java.util.concurrent.ThreadPoolExecutor.getTask() @bci=47,line=470 (Interpreted frame)- java.util.concurrent.ThreadPoolExecutor$Worker.run() @bci=18,line=674 (Interpreted frame)
 - java.lang.Thread.run() @bci=11, line=613 (Interpreted frame)


Thread t...@78595: (state = BLOCKED)
 - sun.misc.Unsafe.park(boolean, long) @bci=0 (Interpreted frame)
- java.util.concurrent.locks.LockSupport.park() @bci=5, line=118(Interpreted frame)- java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await() @bci=41, line=1841 (Interpreted frame)- java.util.concurrent.DelayQueue.take() @bci=28, line=131(Interpreted frame)- java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take() @bci=4, line=504 (Interpreted frame)- java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take() @bci=1, line=497 (Interpreted frame)- java.util.concurrent.ThreadPoolExecutor.getTask() @bci=47,line=470 (Interpreted frame)- java.util.concurrent.ThreadPoolExecutor$Worker.run() @bci=18,line=674 (Interpreted frame)
 - java.lang.Thread.run() @bci=11, line=613 (Interpreted frame)


Thread t...@78851: (state = BLOCKED)
 - java.lang.Object.wait(long) @bci=0 (Interpreted frame)
 - java.lang.Object.wait() @bci=2, line=474 (Interpreted frame)
- java.util.TimerThread.mainLoop() @bci=28, line=483 (Interpretedframe)
 - java.util.TimerThread.run() @bci=1, line=462 (Interpreted frame)


Thread t...@79107: (state = BLOCKED)
 - java.lang.Object.wait(long) @bci=0 (Interpreted frame)
- er.javamail.ERMailSender.run() @bci=26, line=276 (Interpretedframe)
 - java.lang.Thread.run() @bci=11, line=613 (Interpreted frame)



Thread t...@81411: (state = BLOCKED)
- java.lang.Object.wait(long) @bci=0 (Compiled frame; informationmay be imprecise)
 - java.lang.Object.wait() @bci=2, line=474 (Compiled frame)
- com.webobjects.eoaccess.EODatabaseContext.lock() @bci=56,line=1973 (Compiled frame)-com.webobjects.eocontrol.EOObjectStoreCoordinator.addCooperatingObjectStore(com.webobjects.eocontrol.EOCooperatingObjectStore) @bci=5, line=130(Compiled frame)-com.webobjects.eoaccess.EODatabaseChannel.setCurrentEditingContext(com.webobjects.eocontrol.EOEditingContext)@bci=34, line=166 (Compiled frame)-com.webobjects.eoaccess.EODatabaseChannel._selectWithFetchSpecificationEditingContext(com.webobjects.eocontrol.EOFetchSpecification,com.webobjects.eocontrol.EOEditingContext) @bci=158, line=788(Compiled frame)-com.webobjects.eoaccess.EODatabaseChannel.selectObjectsWithFetchSpecification(com.webobjects.eocontrol.EOFetchSpecification,com.webobjects.eocontrol.EOEditingContext) @bci=64, line=215(Compiled frame)-com.webobjects.eoaccess.EODatabaseContext._objectsWithFetchSpecificationEditingContext(com.webobjects.eocontrol.EOFetchSpecification,com.webobjects.eocontrol.EOEditingContext) @bci=219, line=3205(Compiled frame)-com.webobjects.eoaccess.EODatabaseContext.objectsWithFetchSpecification(com.webobjects.eocontrol.EOFetchSpecification,com.webobjects.eocontrol.EOEditingContext) @bci=34, line=3346(Compiled frame)-com.webobjects.eocontrol.EOObjectStoreCoordinator.objectsWithFetchSpecification(com.webobjects.eocontrol.EOFetchSpecification,com.webobjects.eocontrol.EOEditingContext) @bci=97, line=539(Compiled frame)-com.webobjects.eocontrol.EOEditingContext.objectsWithFetchSpecification(com.webobjects.eocontrol.EOFetchSpecification,com.webobjects.eocontrol.EOEditingContext) @bci=79, line=4114(Compiled frame)-er.extensions.eof.ERXEC.objectsWithFetchSpecification(com.webobjects.eocontrol.EOFetchSpecification,com.webobjects.eocontrol.EOEditingContext) @bci=68, line=1189(Compiled frame)-com.webobjects.eocontrol.EOEditingContext.objectsWithFetchSpecification(com.webobjects.eocontrol.EOFetchSpecification) @bci=3, line=4500(Compiled frame)- wk.cheetah.eof.ProgramBehaviour$Utilities.hasAllTemplatesApprovedAndValid(wk.cheetah.eof.CTProgram)@bci=5, line=130 (Compiled frame)- wk.cheetah.eof.ProgramBehaviour$Utilities.doesRequireAttention(wk.cheetah.eof.CTProgram) @bci=15,line=120 (Compiled frame)-wk.cheetah.eof.JobsiteRadiusProgramBehaviour.doesRequireAttention()@bci=4, line=148 (Compiled frame)- wk.cheetah.eof.CTProgram.doesRequireAttention() @bci=4, line=425(Compiled frame)- sun.reflect.DelegatingMethodAccessorImpl.invoke(java.lang.Object,java.lang.Object[]) @bci=6, line=25 (Compiled frame)- java.lang.reflect.Method.invoke(java.lang.Object,java.lang.Object[]) @bci=111, line=585 (Compiled frame)- com.webobjects.foundation.NSKeyValueCoding$ValueAccessor$1.methodValue(java.lang.Object, java.lang.reflect.Method) @bci=3,line=684 (Compiled frame)- com.webobjects.foundation.NSKeyValueCoding$_MethodBinding.valueInObject(java.lang.Object) @bci=9, line=1160(Compiled frame)-com.webobjects.eocontrol.EOCustomObject.valueForKey(java.lang.String)@bci=14, line=1559 (Compiled frame)- com.webobjects.foundation.NSKeyValueCoding$Utility.valueForKey(java.lang.Object, java.lang.String) @bci=26,line=498 (Compiled frame)- com.webobjects.foundation.NSKeyValueCodingAdditions$DefaultImplementation.valueForKeyPath(java.lang.Object,java.lang.String) @bci=19, line=212 (Compiled frame)-com.webobjects.eocontrol.EOCustomObject.valueForKeyPath(java.lang.String) @bci=2,line=1675 (Compiled frame)- com.webobjects.foundation.NSKeyValueCodingAdditions$Utility.valueForKeyPath(java.lang.Object, java.lang.String)@bci=26, line=149 (Compiled frame)-com.webobjects.eocontrol.EOKeyValueQualifier.evaluateWithObject(java.lang.Object)@bci=5, line=131 (Compiled frame)-com.webobjects.eocontrol.EOQualifier.filteredArrayWithQualifier(com.webobjects.foundation.NSArray,com.webobjects.eocontrol.EOQualifier) @bci=55, line=635 (Compiledframe)- wk.cheetah.eof.CTLocation.requiresAttentionPrograms() @bci=22,line=376 (Compiled frame)- sun.reflect.DelegatingMethodAccessorImpl.invoke(java.lang.Object,java.lang.Object[]) @bci=6, line=25 (Compiled frame)- java.lang.reflect.Method.invoke(java.lang.Object,java.lang.Object[]) @bci=111, line=585 (Compiled frame)- com.webobjects.foundation.NSKeyValueCoding$ValueAccessor$1.methodValue(java.lang.Object, java.lang.reflect.Method) @bci=3,line=684 (Compiled frame)- com.webobjects.foundation.NSKeyValueCoding$_MethodBinding.valueInObject(java.lang.Object) @bci=9, line=1160(Compiled frame)-com.webobjects.eocontrol.EOCustomObject.valueForKey(java.lang.String)@bci=14, line=1559 (Compiled frame)- com.webobjects.foundation.NSKeyValueCoding$Utility.valueForKey(java.lang.Object, java.lang.String) @bci=26,line=498 (Compiled frame)- com.webobjects.foundation.NSKeyValueCodingAdditions$DefaultImplementation.valueForKeyPath(java.lang.Object,java.lang.String) @bci=32, line=216 (Compiled frame)-com.webobjects.eocontrol.EOCustomObject.valueForKeyPath(java.lang.String) @bci=2,line=1675 (Compiled frame)- com.webobjects.foundation.NSKeyValueCodingAdditions$Utility.valueForKeyPath(java.lang.Object, java.lang.String)@bci=26, line=149 (Compiled frame)- com.webobjects.foundation.NSArray$_Operator._operationValue(java.lang.Object, java.lang.String)@bci=17, line=79 (Compiled frame)- com.webobjects.foundation.NSArray$_SumNumberOperator.compute(com.webobjects.foundation.NSArray,java.lang.String) @bci=3, line=46 (Compiled frame)-com.webobjects.foundation.NSArray._valueForKeyPathWithOperator(java.lang.String)@bci=71, line=744 (Compiled frame)-com.webobjects.foundation.NSArray.valueForKeyPath(java.lang.String)@bci=16, line=778 (Compiled frame)- com.webobjects.foundation.NSKeyValueCodingAdditions$Utility.valueForKeyPath(java.lang.Object, java.lang.String)@bci=26, line=149 (Compiled frame)- com.webobjects.foundation.NSKeyValueCodingAdditions$DefaultImplementation.valueForKeyPath(java.lang.Object,java.lang.String) @bci=52, line=217 (Compiled frame)-com.webobjects.eocontrol.EOCustomObject.valueForKeyPath(java.lang.String) @bci=2,line=1675 (Compiled frame)- com.webobjects.foundation.NSKeyValueCodingAdditions$Utility.valueForKeyPath(java.lang.Object, java.lang.String)@bci=26, line=149 (Compiled frame)- com.webobjects.foundation.NSKeyValueCodingAdditions$DefaultImplementation.valueForKeyPath(java.lang.Object,java.lang.String) @bci=52, line=217 (Compiled frame)-com.webobjects.appserver.WOComponent.valueForKeyPath(java.lang.String)@bci=2, line=1600 (Compiled frame)-com.webobjects.appserver.WOComponent.valueForBinding(java.lang.String)@bci=22, line=735 (Compiled frame)- sun.reflect.GeneratedMethodAccessor261.invoke(java.lang.Object,java.lang.Object[]) @bci=36 (Compiled frame)- sun.reflect.DelegatingMethodAccessorImpl.invoke(java.lang.Object,java.lang.Object[]) @bci=6, line=25 (Compiled frame)- java.lang.reflect.Method.invoke(java.lang.Object,java.lang.Object[]) @bci=111, line=585 (Compiled frame)- com.webobjects.foundation.NSKeyValueCoding$ValueAccessor$1.methodValue(java.lang.Object, java.lang.reflect.Method) @bci=3,line=684 (Compiled frame)- com.webobjects.foundation.NSKeyValueCoding$_MethodBinding.valueInObject(java.lang.Object) @bci=9, line=1160(Compiled frame)- com.webobjects.foundation.NSKeyValueCoding$DefaultImplementation.valueForKey(java.lang.Object,java.lang.String) @bci=34, line=1268 (Compiled frame)-com.webobjects.appserver.WOComponent.valueForKey(java.lang.String)@bci=2, line=1539 (Compiled frame)- com.webobjects.foundation.NSKeyValueCoding$Utility.valueForKey(java.lang.Object, java.lang.String) @bci=26,line=498 (Compiled frame)- com.webobjects.foundation.NSKeyValueCodingAdditions$DefaultImplementation.valueForKeyPath(java.lang.Object,java.lang.String) @bci=19, line=212 (Compiled frame)-com.webobjects.appserver.WOComponent.valueForKeyPath(java.lang.String)@bci=2, line=1600 (Compiled frame)-com.webobjects.appserver._private.WOHTMLDynamicElement._appendAttributesFromAssociationsToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext,com.webobjects.foundation.NSDictionary) @bci=60, line=317 (Compiledframe)-com.webobjects.appserver._private.WOGenericElement.appendAttributesToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=161, line=158 (Compiledframe)-com.webobjects.appserver._private.WOGenericElement.appendToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=60, line=181 (Compiled frame)-com.webobjects.appserver._private.WOGenericContainer.appendToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=3, line=29 (Compiled frame)-com.webobjects.appserver.WOComponent.appendToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=56, line=992 (Compiled frame)-er.extensions.components.ERXComponent.appendToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=26, line=107 (Compiled frame)-wk.webobjects.appserver.WKAbstractComponent.appendToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=30, line=457 (Compiled frame)-com.webobjects.appserver._private.WOComponentReference.appendToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=11, line=111 (Compiled frame)-com.webobjects.appserver._private.WODynamicGroup.appendChildrenToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=46, line=121 (Compiled frame)-er.extensions.components._private.ERXWORepetition.appendToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=90, line=508 (Compiled frame)-com.webobjects.appserver._private.WODynamicGroup.appendChildrenToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=46, line=121 (Compiled frame)-com.webobjects.appserver._private.WODynamicGroup.appendToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=3, line=130 (Compiled frame)-com.webobjects.appserver._private.WOComponentContent.appendToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=36, line=43 (Compiled frame)-com.webobjects.appserver._private.WODynamicGroup.appendChildrenToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=46, line=121 (Compiled frame)-com.webobjects.appserver._private.WOGenericContainer.appendToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=15, line=32 (Compiled frame)-com.webobjects.appserver._private.WODynamicGroup.appendChildrenToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=46, line=121 (Compiled frame)-com.webobjects.appserver._private.WODynamicGroup.appendToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=3, line=130 (Compiled frame)-com.webobjects.appserver.WOComponent.appendToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=56, line=992 (Compiled frame)-er.extensions.components.ERXComponent.appendToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=26, line=107 (Compiled frame)-wk.webobjects.appserver.WKAbstractComponent.appendToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=30, line=457 (Compiled frame)-wk.cheetah.wocomponents.PageWrapper.appendToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=505, line=247 (Interpretedframe)-com.webobjects.appserver._private.WOComponentReference.appendToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=11, line=111 (Compiled frame)-com.webobjects.appserver._private.WODynamicGroup.appendChildrenToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=46, line=121 (Compiled frame)-com.webobjects.appserver._private.WODynamicGroup.appendToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=3, line=130 (Compiled frame)-com.webobjects.appserver.WOComponent.appendToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=56, line=992 (Compiled frame)-er.extensions.components.ERXComponent.appendToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=26, line=107 (Compiled frame)-wk.webobjects.appserver.WKAbstractComponent.appendToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=30, line=457 (Compiled frame)-wk.cheetah.wocomponents.Customers.appendToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=7, line=349 (Interpretedframe)-com.webobjects.appserver.WOSession.appendToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=30, line=1200 (Interpretedframe)-er.extensions.appserver.ERXSession.appendToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=11, line=540 (Interpretedframe)-wk.webobjects.appserver.WKSession.appendToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=33, line=176 (Interpretedframe)-wk.cheetah.Session.appendToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=205, line=657 (Interpretedframe)-com.webobjects.appserver.WOApplication.appendToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=100, line=1418 (Interpretedframe)-er.extensions.appserver.ERXApplication.appendToResponse(com.webobjects.appserver.WOResponse,com.webobjects.appserver.WOContext) @bci=3, line=1789 (Interpretedframe)-com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedPage(com.webobjects.appserver.WOComponent,com.webobjects.appserver.WOSession,com.webobjects.appserver.WOContext,com.webobjects.foundation.NSDictionary) @bci=218, line=230(Interpreted frame)-com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedSession(com.webobjects.appserver.WOSession,com.webobjects.appserver.WOContext,com.webobjects.foundation.NSDictionary) @bci=186, line=287(Interpreted frame)-com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWithPreparedApplication(com.webobjects.appserver.WOApplication,com.webobjects.appserver.WOContext,com.webobjects.foundation.NSDictionary) @bci=84, line=322(Interpreted frame)-com.webobjects.appserver._private.WOComponentRequestHandler._handleRequest(com.webobjects.appserver.WORequest) @bci=109,line=358 (Interpreted frame)-com.webobjects.appserver._private.WOComponentRequestHandler.handleRequest(com.webobjects.appserver.WORequest) @bci=23, line=432(Interpreted frame)-com.webobjects.appserver.WOApplication.dispatchRequest(com.webobjects.appserver.WORequest)@bci=41, line=1306 (Compiled frame)-er.extensions.appserver.ERXApplication.dispatchRequestImmediately(com.webobjects.appserver.WORequest)@bci=74, line=1887 (Compiled frame)-er.extensions.appserver.ERXApplication.dispatchRequest(com.webobjects.appserver.WORequest)@bci=13, line=1852 (Compiled frame)- com.webobjects.appserver._private.WOWorkerThread.runOnce()@bci=729, line=173 (Compiled frame)- com.webobjects.appserver._private.WOWorkerThread.run() @bci=129,line=254 (Interpreted frame)
 - java.lang.Thread.run() @bci=11, line=613 (Interpreted frame)




Thread t...@84483: (state = BLOCKED)
- java.lang.Object.wait(long) @bci=0 (Compiled frame; informationmay be imprecise)
 - java.lang.Object.wait() @bci=2, line=474 (Compiled frame)
- er.extensions.eof.ERXObjectStoreCoordinatorSynchronizer$ProcessChangesQueue.run() @bci=31, line=573 (Interpreted frame)
 - java.lang.Thread.run() @bci=11, line=613 (Interpreted frame)


Thread t...@84739: (state = BLOCKED)
 - java.lang.Thread.sleep(long) @bci=0 (Interpreted frame)
- com.webobjects.appserver.WOApplication$_LifebeatThread.run()@bci=233, line=1233 (Interpreted frame)
Thread t...@84995: (state = BLOCKED)
 - java.lang.Thread.sleep(long) @bci=0 (Interpreted frame)
- com.webobjects.appserver.WOSessionStore$_SessionTimeoutManager.run() @bci=16, line=110 (Interpreted frame)
 - java.lang.Thread.run() @bci=11, line=613 (Interpreted frame)


Thread t...@85507: (state = BLOCKED)
- java.lang.Object.wait(long) @bci=0 (Compiled frame; informationmay be imprecise)
 - java.lang.Object.wait() @bci=2, line=474 (Compiled frame)
- com.webobjects.eocontrol.EOObjectStoreCoordinator.lock() @bci=4,line=466 (Compiled frame)- com.webobjects.eocontrol.EOEditingContext.lockObjectStore()@bci=41, line=4735 (Compiled frame)- er.extensions.eof.ERXEC.lockObjectStore() @bci=7, line=668(Compiled frame)- com.webobjects.eocontrol.EOEditingContext._dispose(boolean)@bci=181, line=1110 (Compiled frame)- com.webobjects.eocontrol.EOEditingContext.finalize() @bci=9,line=1178 (Interpreted frame)- er.extensions.eof.ERXEC.finalize() @bci=62, line=653 (Interpretedframe)- java.lang.ref.Finalizer.runFinalizer() @bci=45, line=83 (Compiledframe)- java.lang.ref.Finalizer.access$100(java.lang.ref.Finalizer)@bci=1, line=14 (Compiled frame)- java.lang.ref.Finalizer$FinalizerThread.run() @bci=11, line=160(Interpreted frame)
Thread t...@85763: (state = BLOCKED)
- java.lang.Object.wait(long) @bci=0 (Compiled frame; informationmay be imprecise)
 - java.lang.Object.wait() @bci=2, line=474 (Compiled frame)


Thread t...@86019: (state = BLOCKED)
 - java.lang.Object.wait(long) @bci=0 (Interpreted frame)
-com.webobjects.appserver._WORunLoop._acceptInputBeforeDate(com.webobjects.foundation.NSTimestamp)@bci=98, line=217 (Interpreted frame)-com.webobjects.appserver._WORunLoop.runBeforeDate(com.webobjects.foundation.NSTimestamp)@bci=39, line=71 (Interpreted frame)- com.webobjects.appserver.WOApplication._runOnce() @bci=17,line=775 (Interpreted frame)- com.webobjects.appserver.WOApplication.run() @bci=99, line=900(Interpreted frame)- er.extensions.appserver.ERXApplication.run() @bci=292, line=1225(Interpreted frame)- com.webobjects.appserver.WOApplication.main(java.lang.String[],java.lang.Class) @bci=24, line=324 (Interpreted frame)- er.extensions.appserver.ERXApplication.main(java.lang.String[],java.lang.Class) @bci=6, line=716 (Interpreted frame)- wk.cheetah.Application.main(java.lang.String[]) @bci=3, line=88(Interpreted frame)- sun.reflect.NativeMethodAccessorImpl.invoke(java.lang.Object,java.lang.Object[]) @bci=87, line=39 (Interpreted frame)- sun.reflect.DelegatingMethodAccessorImpl.invoke(java.lang.Object,java.lang.Object[]) @bci=6, line=25 (Interpreted frame)- java.lang.reflect.Method.invoke(java.lang.Object,java.lang.Object[]) @bci=111, line=585 (Interpreted frame)- com.webobjects._bootstrap.WOBootstrap.main(java.lang.String[])@bci=118, line=87 (Interpreted frame)
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Re: Let's play "Spot the Deadlock" ;-)

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