[infinispan-issues] [JBoss JIRA] Commented: (ISPN-1258) IllegalMonitorStateException when prepare/commit sequence happens in diff threads

IllegalMonitorStateException when prepare/commit sequence happens in diff threads --------------------------------------------------------------------------------- Key: ISPN-1258 URL: https://issues.jboss.org/browse/ISPN-1258 Project: Infinispan Issue Type: Bug Components: Transactions Affects Versions: 5.0.0.CR8 Reporter: Galder Zamarreño Assignee: Mircea Markus Fix For: 5.0.0.FINAL Attachments: IllegalMonitor_issue.patch 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: {code}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]{code} And the commit: {code}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]{code} The end result? {code} 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) {code} Mircea, could you have a look?