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Bug
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Resolution: Obsolete
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Major
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5.0.0.CR8
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None
There's no guarantees at the JGroups level that in a sequence of prepare+commit calls, both will be handled by the same thread as shown in the logs:
Here's a prepare call:
2011-07-20 21:01:44,400 2011 TRACE [org.infinispan.remoting.transport.jgroups.CommandAwareRpcDispatcher] (OOB-1,Infinispan-Cluster,NodeB-10116:)
Attempting to execute command: PrepareCommand {gtx=GlobalTransaction:<NodeA-32281>:1:local, modifications=[PutKeyValueCommand{key=a, value=value1,
flags=null, putIfAbsent=false, lifespanMillis=-1, maxIdleTimeMillis=-1}], onePhaseCommit=false, gtx=GlobalTransaction:<NodeA-32281>:1:local,
cacheName='cache1'} [sender=NodeA-32281]
...
2011-07-20 21:01:44,404 2015 TRACE [org.infinispan.util.concurrent.locks.containers.AbstractPerEntryLockContainer] (OOB-1,Infinispan-Cluster,NodeB-
10116:cache1) Acquired lock java.util.concurrent.locks.ReentrantLock@7cd1a1ab[Locked by thread OOB-1,Infinispan-Cluster,NodeB-10116]
And the commit:
2011-07-20 21:01:44,418 2029 TRACE [org.infinispan.remoting.transport.jgroups.CommandAwareRpcDispatcher] (OOB-2,Infinispan-Cluster,NodeB-10116:)
Attempting to execute command: CommitCommand {gtx=GlobalTransaction:<NodeA-32281>:1:local, cacheName='cache1'} [sender=NodeA-32281]
...
2011-07-20 21:01:44,423 2034 TRACE [org.infinispan.util.concurrent.locks.containers.AbstractPerEntryLockContainer] (OOB-2,Infinispan-Cluster,NodeB-
10116:cache1) Unlock lock java.util.concurrent.locks.ReentrantLock@7cd1a1ab[Locked by thread OOB-1,Infinispan-Cluster,NodeB-10116]
The end result?
2011-07-20 21:01:44,424 2035 ERROR [org.infinispan.interceptors.InvocationContextInterceptor] (OOB-2,Infinispan-Cluster,NodeB-10116:cache1) ISPN000136: Execution error java.lang.IllegalMonitorStateException at java.util.concurrent.locks.ReentrantLock$Sync.tryRelease(ReentrantLock.java:127) at java.util.concurrent.locks.AbstractQueuedSynchronizer.release(AbstractQueuedSynchronizer.java:1239) at java.util.concurrent.locks.ReentrantLock.unlock(ReentrantLock.java:431) at org.infinispan.util.concurrent.locks.containers.AbstractPerEntryLockContainer.releaseLock(AbstractPerEntryLockContainer.java:113) at org.infinispan.util.concurrent.locks.LockManagerImpl.unlock(LockManagerImpl.java:113) at org.infinispan.interceptors.LockingInterceptor.cleanupLocks(LockingInterceptor.java:375) at org.infinispan.interceptors.LockingInterceptor.visitCommitCommand(LockingInterceptor.java:98)
Mircea, could you have a look?
