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JBoss cache lock TimeoutException
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created by <a href="https://community.jboss.org/people/andrewtr">Andrew TR</a> in <i>JBoss Cache</i> - <a href="https://community.jboss.org/message/780122#780122">View the full discussion</a>
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<div class="jive-rendered-content"><p>We are running our application in JBoss 4.2.0 GA and Hibernate 3.x. Two JBoss application servers are running in cluster mode. </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>All of sudden we got this below exception and App server 1 (node1) went down:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>2012-12-04 14:23:18,568 WARN  <a class="jive-link-external-small" href="org.jboss.web.tomcat.service.session.InstantSnapshotManager./et">org.jboss.web.tomcat.service.session.InstantSnapshotManager./et</a> Failed to replicate session BvlehVnGPW2uuH09kn+Prw**.node1</p><p>java.lang.RuntimeException: JBossCacheService: exception occurred in cache put after retry ... </p><p>     at org.jboss.web.tomcat.service.session.JBossCacheWrapper.put(JBossCacheWrapper.java:153)</p><p>     at org.jboss.web.tomcat.service.session.JBossCacheService.putSession(JBossCacheService.java:319)</p><p>     at org.jboss.web.tomcat.service.session.JBossCacheClusteredSession.processSessionRepl(JBossCacheClusteredSession.java:121)</p><p>     at org.jboss.web.tomcat.service.session.JBossCacheManager.processSessionRepl(JBossCacheManager.java:1097)</p><p>     at org.jboss.web.tomcat.service.session.JBossCacheManager.storeSession(JBossCacheManager.java:652)</p><p>     at org.jboss.web.tomcat.service.session.InstantSnapshotManager.snapshot(InstantSnapshotManager.java:49)</p><p>     at org.jboss.web.tomcat.service.session.ClusteredSessionValve.invoke(ClusteredSessionValve.java:98)</p><p>     at org.jboss.web.tomcat.service.session.JvmRouteValve.invoke(JvmRouteValve.java:84)</p><p>     at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)</p><p>     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)</p><p>     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)</p><p>     at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156)</p><p>     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)</p><p>     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)</p><p>     at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:437)</p><p>     at org.apache.coyote.ajp.AjpProtocol$AjpConnectionHandler.process(AjpProtocol.java:381)</p><p>     at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)</p><p>     at java.lang.Thread.run(Thread.java:595)</p><p>Caused by: org.jboss.cache.lock.TimeoutException: failure acquiring lock: fqn=/JSESSION/localhost/et/BvlehVnGPW2uuH09kn+Prw**, caller=Thread[ajp-192.168.129.36-8009-15,5,jboss], lock=write owner=Thread[IncomingPacketHandler (channel=Tomcat-ETProd),5,JGroups threads] (activeReaders=0, activeWriter=Thread[IncomingPacketHandler (channel=Tomcat-ETProd),5,JGroups threads], waitingReaders=4, waitingWriters=0, waitingUpgrader=0)</p><p>     at org.jboss.cache.Node.acquire(Node.java:500)</p><p>     at org.jboss.cache.interceptors.PessimisticLockInterceptor.acquireNodeLock(PessimisticLockInterceptor.java:379)</p><p>     at org.jboss.cache.interceptors.PessimisticLockInterceptor.lock(PessimisticLockInterceptor.java:307)</p><p>     at org.jboss.cache.interceptors.PessimisticLockInterceptor.invoke(PessimisticLockInterceptor.java:175)</p><p>     at org.jboss.cache.interceptors.Interceptor.invoke(Interceptor.java:68)</p><p>     at org.jboss.cache.interceptors.UnlockInterceptor.invoke(UnlockInterceptor.java:32)</p><p>     at org.jboss.cache.interceptors.Interceptor.invoke(Interceptor.java:68)</p><p>     at org.jboss.cache.interceptors.ReplicationInterceptor.invoke(ReplicationInterceptor.java:39)</p><p>     at org.jboss.cache.interceptors.Interceptor.invoke(Interceptor.java:68)</p><p>     at org.jboss.cache.interceptors.TxInterceptor.handleNonTxMethod(TxInterceptor.java:365)</p><p>     at org.jboss.cache.interceptors.TxInterceptor.invoke(TxInterceptor.java:160)</p><p>     at org.jboss.cache.interceptors.Interceptor.invoke(Interceptor.java:68)</p><p>     at org.jboss.cache.interceptors.CacheMgmtInterceptor.invoke(CacheMgmtInterceptor.java:167)</p><p>     at org.jboss.cache.TreeCache.invokeMethod(TreeCache.java:5863)</p><p>     at org.jboss.cache.TreeCache.put(TreeCache.java:3759)</p><p>     at sun.reflect.GeneratedMethodAccessor155.invoke(Unknown Source)</p><p>     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)</p><p>     at java.lang.reflect.Method.invoke(Method.java:585)</p><p>     at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)</p><p>     at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)</p><p>     at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)</p><p>     at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)</p><p>     at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)</p><p>     at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)</p><p>     at $Proxy90.put(Unknown Source)</p><p>     at org.jboss.web.tomcat.service.session.JBossCacheWrapper.put(JBossCacheWrapper.java:141)</p><p>     ... 17 more</p><p>Caused by: org.jboss.cache.lock.TimeoutException: write lock for /JSESSION/localhost/et/BvlehVnGPW2uuH09kn+Prw** could not be acquired after 15000 ms. Locks: Read lock owners: []</p><p>Write lock owner: Thread[IncomingPacketHandler (channel=Tomcat-ETProd),5,JGroups threads]</p><p> (caller=Thread[ajp-192.168.129.36-8009-15,5,jboss], lock info: write owner=Thread[IncomingPacketHandler (channel=Tomcat-ETProd),5,JGroups threads] (activeReaders=0, activeWriter=Thread[IncomingPacketHandler (channel=Tomcat-ETProd),5,JGroups threads], waitingReaders=4, waitingWriters=0, waitingUpgrader=0))</p><p>     at org.jboss.cache.lock.IdentityLock.acquireWriteLock(IdentityLock.java:206)</p><p>     at org.jboss.cache.Node.acquireWriteLock(Node.java:529)</p><p>     at org.jboss.cache.Node.acquire(Node.java:476)</p><p>     ... 42 more</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Also hereby attached the ejb3-clustered-sfsbcache-service.xml for configuration reference.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Appreciate any help.</p></div>
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