[jboss-user] [JBoss Cache: Core Edition] - "org.jboss.cache.lock.TimeoutException": how to find out whi

[yanfengzhang816]

I'm using JBoss Cache 1.4.1 SP12.
Recently I got a lock timed-out exception(see below) very frequently. And it is not reproducible. Several monthes ago I could find this exception occasionally and I moved to 1.4.1 SP12, then the problem disappered. But now it comes back...:(

My question is :
1. How can I find out which cache node is locked? (any specific log category)
2. Is this exception dangerous? (It is logged as a WARNING)

12:48:30,921 WARN  [arjLoggerI18N] [com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator_2] TwoPhaseCoordinator.beforeCompletion - failed for com.arjuna.ats.internal.jta.resources.arjunacore.SynchronizationImple at f5bcc9
java.lang.RuntimeException:
        at org.jboss.cache.interceptors.TxInterceptor$LocalSynchronizationHandler.beforeCompletion(TxInterceptor.java:1196)
        at org.jboss.cache.interceptors.OrderedSynchronizationHandler.beforeCompletion(OrderedSynchronizationHandler.java:76)
        at com.arjuna.ats.internal.jta.resources.arjunacore.SynchronizationImple.beforeCompletion(SynchronizationImple.java:114)
        at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.beforeCompletion(TwoPhaseCoordinator.java:247)
        at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.end(TwoPhaseCoordinator.java:86)
        at com.arjuna.ats.arjuna.AtomicAction.commit(AtomicAction.java:177)
        at com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.commitAndDisassociate(TransactionImple.java:1406)
        at com.arjuna.ats.internal.jta.transaction.arjunacore.BaseTransaction.commit(BaseTransaction.java:135)
        at com.arjuna.ats.jbossatx.BaseTransactionManagerDelegate.commit(BaseTransactionManagerDelegate.java:87)
        at org.jboss.aspects.tx.TxPolicy.endTransaction(TxPolicy.java:175)
        at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:87)
        at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:191)
        at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
        at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:94)
        at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
        at org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:70)
        at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
        at org.jboss.aspects.remoting.ReplicantsManagerInterceptor.invoke(ReplicantsManagerInterceptor.java:51)
        at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
        at org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:77)
        at org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.java:106)
        at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
        at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:46)
        at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
        at org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106)
        at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
        at org.jboss.ejb3.stateless.StatelessContainer.dynamicInvoke(StatelessContainer.java:280)
        at org.jboss.aop.Dispatcher.invoke(Dispatcher.java:106)
        at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
        at org.jboss.ejb3.stateless.StatelessContainer.dynamicInvoke(StatelessContainer.java:280)
        at org.jboss.aop.Dispatcher.invoke(Dispatcher.java:106)
        at org.jboss.aspects.remoting.AOPRemotingInvocationHandler.invoke(AOPRemotingInvocationHandler.java:82)
        at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:866)
        at org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:608)
        at org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:406)
        at org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:173)
Caused by: org.jboss.cache.ReplicationException: rsp=sender=172.18.15.23:34579, retval=null, received=false, suspected=false
        at org.jboss.cache.TreeCache.callRemoteMethods(TreeCache.java:4464)
        at org.jboss.cache.TreeCache.callRemoteMethods(TreeCache.java:4386)
        at org.jboss.cache.TreeCache.callRemoteMethods(TreeCache.java:4504)
        at org.jboss.cache.interceptors.BaseRpcInterceptor.replicateCall(BaseRpcInterceptor.java:110)
        at org.jboss.cache.interceptors.BaseRpcInterceptor.replicateCall(BaseRpcInterceptor.java:88)
        at org.jboss.cache.interceptors.ReplicationInterceptor.runPreparePhase(ReplicationInterceptor.java:152)
        at org.jboss.cache.interceptors.ReplicationInterceptor.invoke(ReplicationInterceptor.java:69)
        at org.jboss.cache.interceptors.Interceptor.invoke(Interceptor.java:68)
        at org.jboss.cache.interceptors.TxInterceptor.runPreparePhase(TxInterceptor.java:887)
        at org.jboss.cache.interceptors.TxInterceptor$LocalSynchronizationHandler.beforeCompletion(TxInterceptor.java:1170)
        ... 32 more
Caused by: org.jboss.cache.lock.TimeoutException: Response timed out: sender=172.18.15.23:34579, retval=null, received=false, suspected=false
        at org.jboss.cache.TreeCache.callRemoteMethods(TreeCache.java:4462)
        ... 41 more



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