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http://issues.apache.org/bugzilla/show_bug.cgi?id=34647 Summary: Tomcat cluster - "Unabel to receive message through TCP Channel" Product: Tomcat 5 Version: 5.0.28 Platform: Other OS/Version: Linux Status: NEW Severity: major Priority: P2 Component: Catalina:Cluster AssignedTo: tomcat-dev@jakarta.apache.org ReportedBy: [EMAIL PROTECTED] We have a cluster with two Tomcat servers. When we restart one of the nodes, without restarting the other one, it seems to be a problem in the communication between them. This is the log trace in the node that restarts, when it starts: [main] INFO org.apache.catalina.cluster.session.DeltaManager - Starting clustering manager...:/TEST [main] WARN org.apache.catalina.cluster.session.DeltaManager - Manager [/TEST], requesting session state from org.apache.catalina.cluster.mcast.McastMember [tcp://XXX.XXX.XXX.XXX:4001,XXX.XXX.XXX.XXXX,4001, alive=14436991]. This operation will timeout if no session state has been received within 60 seconds [main] ERROR org.apache.catalina.cluster.session.DeltaManager - Manager [/TEST], No session state received, timing out. org.apache.jk.common.ChannelSocket init And the trace log in the node that remains alive: org.apache.catalina.cluster.tcp.SimpleTcpCluster memberDisappeared INFO: Received member disappeared:org.apache.catalina.cluster.mcast.McastMember [tcp://YYY.YYY.YYY.YYY:4001,YYY.YYY.YYY.YYY,4001, alive=6147693] org.apache.catalina.cluster.tcp.SimpleTcpCluster memberAdded INFO: Replication member added:org.apache.catalina.cluster.mcast.McastMember [tcp://YYY.YYY.YYY.YYY:4001,YYY.YYY.YYY.YYY,4001, alive=2] [org.apache.catalina.cluster.tcp.TcpReplicationThread[3]] ERROR org.apache.catalina.cluster.session.DeltaManager - Unable to receive message through TCP channel java.lang.NullPointerException at java.io.ObjectOutputStream$BlockDataOutputStream.getUTFLength (ObjectOutputStream.java:1898) at java.io.ObjectOutputStream$BlockDataOutputStream.writeUTF (ObjectOutputStream.java:1769) at java.io.ObjectOutputStream.writeUTF(ObjectOutputStream.java:787) at org.apache.catalina.cluster.session.SerializablePrincipal.writePrincipal (SerializablePrincipal.java:180) at org.apache.catalina.cluster.session.DeltaSession.writeObject (DeltaSession.java:1457) at org.apache.catalina.cluster.session.DeltaSession.writeObjectData (DeltaSession.java:930) at org.apache.catalina.cluster.session.DeltaManager.doUnload (DeltaManager.java:539) at org.apache.catalina.cluster.session.DeltaManager.messageReceived (DeltaManager.java:854) at org.apache.catalina.cluster.session.DeltaManager.messageDataReceived (DeltaManager.java:762) at org.apache.catalina.cluster.tcp.SimpleTcpCluster.messageDataReceived (SimpleTcpCluster.java:576) at org.apache.catalina.cluster.io.ObjectReader.execute (ObjectReader.java:70) at org.apache.catalina.cluster.tcp.TcpReplicationThread.drainChannel (TcpReplicationThread.java:129) at org.apache.catalina.cluster.tcp.TcpReplicationThread.run (TcpReplicationThread.java:67) I saw another bug similar to this one: 32280, but it finishes without a clear solution. Thanks in advance. -- Configure bugmail: http://issues.apache.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug, or are watching the assignee. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]