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EJB programming & troubleshooting: Can anybody tell me why a lot of threads are blocked?

  1. There are a lot of thread blocked at the same location, can anybody tell me how to solve the issue?

    "[ACTIVE] ExecuteThread: '5' for queue: 'weblogic.kernel.Default (self-tuning)'" waiting for lock weblogic.rmi.cluster.BasicReplicaList@1e50894 BLOCKED
             
                 weblogic.rmi.cluster.BasicReplicaList.writeExternal(BasicReplicaList.java:287)
             
                 java.io.ObjectOutputStream.writeExternalData(ObjectOutputStream.java:1310)
             
                 java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1288)
             
                 java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1079)
             
                 java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:302)
             
                 weblogic.rjvm.MsgAbbrevOutputStream.writeObject(MsgAbbrevOutputStream.java:614)
             
                 weblogic.rjvm.MsgAbbrevOutputStream.writeObjectWL(MsgAbbrevOutputStream.java:605)
             
                 weblogic.rjvm.MsgAbbrevOutputStream$NestedObjectOutputStream.writeObjectWL(MsgAbbrevOutputStream.java:692)
             
                 weblogic.rmi.cluster.BasicReplicaHandler.writeExternal(BasicReplicaHandler.java:731)
             
                 java.io.ObjectOutputStream.writeExternalData(ObjectOutputStream.java:1310)
             
                 java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1288)
             
                 java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1079)
             
                 java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:302)
             
                 weblogic.rjvm.MsgAbbrevOutputStream.writeObject(MsgAbbrevOutputStream.java:614)
             
                 weblogic.rjvm.MsgAbbrevOutputStream.writeObjectWL(MsgAbbrevOutputStream.java:605)
             
                 weblogic.rjvm.MsgAbbrevOutputStream$NestedObjectOutputStream.writeObjectWL(MsgAbbrevOutputStream.java:692)
             
                 weblogic.rmi.cluster.ClusterableRemoteRef.writeExternal(ClusterableRemoteRef.java:420)
             
                 java.io.ObjectOutputStream.writeExternalData(ObjectOutputStream.java:1310)
             
                 java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1288)
             
                 java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1079)
             
                 java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1375)
             
                 java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1347)
             
                 java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1290)
             
                 java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1079)
             
                 java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:302)
             
                 weblogic.rjvm.MsgAbbrevOutputStream.writeObject(MsgAbbrevOutputStream.java:614)
             
                 weblogic.utils.io.ChunkedObjectOutputStream.writeObject(ChunkedObjectOutputStream.java:63)
             
                 com.questra.a2b.remoteaccessmanager.bizcomp.ejb.session.a2b_RemoteAccessManager_gsxo9h_HomeImpl_WLSkel.invoke(Unknown Source)
             
                 weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:589)
             
                 weblogic.rmi.cluster.ClusterableServerRef.invoke(ClusterableServerRef.java:224)
             
                 weblogic.rmi.internal.BasicServerRef$1.run(BasicServerRef.java:479)
             
                 weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)
             
                 weblogic.security.service.SecurityManager.runAs(Unknown Source)
             
                 weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:475)
             
                 weblogic.rmi.internal.BasicServerRef.access$300(BasicServerRef.java:59)
             
                 weblogic.rmi.internal.BasicServerRef$BasicExecuteRequest.run(BasicServerRef.java:1016)
             
                 weblogic.work.ExecuteThread.execute(ExecuteThread.java:200)
             
                 weblogic.work.ExecuteThread.run(ExecuteThread.java:172)

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  2. Exactly[ Go to top ]

    Exactly, this issue is so complicated. Any share of ideas is highly appreciated. - Michael Courouleau