[jboss-user] [JBoss Cache: Core Edition] - Re: Lock timeout exceptions

ajassal do-not-reply at jboss.com
Wed Jun 11 15:00:46 EDT 2008


Brian,

Thanks. Here you go:

 INFO 2008-06-11 18:50:34,071 UpHandler (GMS) U-  org.jboss.cache.interceptors.TxInterceptor - There was a problem handling this request
 org.jboss.cache.lock.TimeoutException: failure acquiring lock: fqn=/user/id, caller=Thread[UpHandler (GMS),5,JGroups threads], lock= (activeReaders=0, activeWriter=null, waitingReaders=0, waitingWriters=0, waitingUpgrader=0)
    at org.jboss.cache.Node.acquire(Node.java:500)
    at org.jboss.cache.interceptors.PessimisticLockInterceptor.acquireNodeLock(PessimisticLockInterceptor.java:342)
    at org.jboss.cache.interceptors.PessimisticLockInterceptor.lock(PessimisticLockInterceptor.java:287)
    at org.jboss.cache.interceptors.PessimisticLockInterceptor.invoke(PessimisticLockInterceptor.java:178)
    at org.jboss.cache.interceptors.Interceptor.invoke(Interceptor.java:68)
    at org.jboss.cache.interceptors.UnlockInterceptor.invoke(UnlockInterceptor.java:32)
    at org.jboss.cache.interceptors.Interceptor.invoke(Interceptor.java:68)
    at org.jboss.cache.interceptors.InvalidationInterceptor.invoke(InvalidationInterceptor.java:60)
    at org.jboss.cache.interceptors.Interceptor.invoke(Interceptor.java:68)
    at org.jboss.cache.interceptors.TxInterceptor.handleNonTxMethod(TxInterceptor.java:364)
    at org.jboss.cache.interceptors.TxInterceptor.invoke(TxInterceptor.java:160)
    at org.jboss.cache.interceptors.Interceptor.invoke(Interceptor.java:68)
    at org.jboss.cache.interceptors.CacheMgmtInterceptor.invoke(CacheMgmtInterceptor.java:179)
    at org.jboss.cache.TreeCache.invokeMethod(TreeCache.java:5710)
    at org.jboss.cache.TreeCache._replicate(TreeCache.java:5056)
    at sun.reflect.GeneratedMethodAccessor34.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.jgroups.blocks.MethodCall.invoke(MethodCall.java:330)
    at org.jgroups.blocks.RpcDispatcher.handle(RpcDispatcher.java:281)
    at org.jgroups.blocks.RequestCorrelator.handleRequest(RequestCorrelator.java:650)
    at org.jgroups.blocks.RequestCorrelator.receiveMessage(RequestCorrelator.java:535)
    at org.jgroups.blocks.RequestCorrelator.receive(RequestCorrelator.java:358)
    at org.jgroups.blocks.MessageDispatcher$ProtocolAdapter.up(MessageDispatcher.java:775)
    at org.jgroups.JChannel.up(JChannel.java:1091)
    at org.jgroups.stack.ProtocolStack.up(ProtocolStack.java:377)
    at org.jgroups.stack.ProtocolStack.receiveUpEvent(ProtocolStack.java:393)
    at org.jgroups.stack.Protocol.passUp(Protocol.java:538)
    at org.jgroups.protocols.pbcast.STATE_TRANSFER.up(STATE_TRANSFER.java:158)
    at org.jgroups.stack.Protocol.receiveUpEvent(Protocol.java:488)
    at org.jgroups.stack.Protocol.passUp(Protocol.java:538)
    at org.jgroups.protocols.pbcast.GMS.up(GMS.java:771)
    at org.jgroups.stack.UpHandler.run(Protocol.java:60)
Caused by: org.jboss.cache.lock.TimeoutException: read lock for /user/id could not be acquired by Thread[UpHandler (GMS),5,JGroups threads] after 0 ms. Locks: Read lock owners: []
Write lock owner: null
, lock info:  (activeReaders=0, activeWriter=null, waitingReaders=0, waitingWriters=0, waitingUpgrader=0)
    at org.jboss.cache.lock.IdentityLock.acquireReadLock(IdentityLock.java:261)
    at org.jboss.cache.Node.acquireReadLock(Node.java:512)
    at org.jboss.cache.Node.acquire(Node.java:474)
    ... 32 more
WARN 2008-06-11 18:50:34,072 UpHandler (GMS) U-  org.jboss.cache.TreeCache - replication failure with method_call _evict; id:8(/user/id/655382) exception: org.jboss.cache.lock.TimeoutException: failure acquiring lock: fqn=/user/id, caller=Thread[UpHandler (GMS),5,JGroups threads], lock= (activeReaders=0, activeWriter=null, waitingReaders=0, waitingWriters=0, waitingUpgrader=0)

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