Hi,
I'm running tomcat 5.0.30 on two machines A and B (Linux RHAS3).
When tomcat A restarts it fails to sync session state with "session
state not received" or something to that effect and tomcat B logs this
message:
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] ERROR
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
Unable to receive message through TCP channel
java.lang.ClassCastException
at
org.apache.catalina.cluster.session.SimpleTcpReplicationManager.messageR
eceived(SimpleTcpReplicationManager.java:530)
at
org.apache.catalina.cluster.session.SimpleTcpReplicationManager.messageD
ataReceived(SimpleTcpReplicationManager.java:596)
at
org.apache.catalina.cluster.tcp.SimpleTcpCluster.messageDataReceived(Sim
pleTcpCluster.java:580)
at
org.apache.catalina.cluster.io.ObjectReader.execute(ObjectReader.java:70
)
at
org.apache.catalina.cluster.tcp.TcpReplicationThread.drainChannel(TcpRep
licationThread.java:129)
at
org.apache.catalina.cluster.tcp.TcpReplicationThread.run(TcpReplicationT
hread.java:67)
I changed SimpleTcpReplicationManager to output class names of the
sessions it is trying to cast to ReplicatedSession and got the following
picture:
11 Feb 2005 17:21:44 [Cluster-MembershipReceiver] INFO
org.apache.catalina.cluster.tcp.SimpleTcpCluster - Replication member
added:org.apache.catalina.cluster.mcast.McastMember[tcp://192.168.56.21:
4001,192.168.56.21,4001, alive=3]
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] INFO
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
SessionClass=org.apache.catalina.cluster.session.ReplicatedSession
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] INFO
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
SessionClass=org.apache.catalina.cluster.session.ReplicatedSession
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] INFO
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
SessionClass=org.apache.catalina.cluster.session.ReplicatedSession
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] INFO
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
SessionClass=org.apache.catalina.cluster.session.ReplicatedSession
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] INFO
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
SessionClass=org.apache.catalina.cluster.session.ReplicatedSession
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] INFO
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
SessionClass=org.apache.catalina.cluster.session.ReplicatedSession
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] INFO
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
SessionClass=org.apache.catalina.cluster.session.ReplicatedSession
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] INFO
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
SessionClass=org.apache.catalina.cluster.session.ReplicatedSession
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] INFO
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
SessionClass=org.apache.catalina.cluster.session.ReplicatedSession
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] INFO
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
SessionClass=org.apache.catalina.cluster.session.ReplicatedSession
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] INFO
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
SessionClass=org.apache.catalina.cluster.session.ReplicatedSession
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] INFO
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
SessionClass=org.apache.catalina.cluster.session.ReplicatedSession
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] INFO
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
SessionClass=org.apache.catalina.cluster.session.ReplicatedSession
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] INFO
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
SessionClass=org.apache.catalina.cluster.session.ReplicatedSession
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] INFO
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
SessionClass=org.apache.catalina.cluster.session.ReplicatedSession
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] INFO
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
SessionClass=org.apache.catalina.cluster.session.ReplicatedSession
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] INFO
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
SessionClass=org.apache.catalina.cluster.session.ReplicatedSession
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] INFO
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
SessionClass=org.apache.catalina.cluster.session.ReplicatedSession
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] INFO
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
SessionClass=org.apache.catalina.cluster.session.ReplicatedSession
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] INFO
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
SessionClass=org.apache.catalina.cluster.session.ReplicatedSession
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] INFO
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
SessionClass=org.apache.catalina.cluster.session.ReplicatedSession
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] INFO
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
SessionClass=org.apache.catalina.cluster.session.ReplicatedSession
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] INFO
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
SessionClass=org.apache.catalina.cluster.session.ReplicatedSession
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] INFO
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
SessionClass=org.apache.catalina.cluster.session.ReplicatedSession
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] INFO
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
SessionClass=org.apache.catalina.cluster.session.ReplicatedSession
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] INFO
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
SessionClass=org.apache.catalina.cluster.session.ReplicatedSession
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] INFO
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
SessionClass=org.apache.catalina.cluster.session.ReplicatedSession
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] INFO
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
SessionClass=org.apache.catalina.session.StandardSession
11 Feb 2005 17:21:49
[org.apache.catalina.cluster.tcp.TcpReplicationThread[4]] ERROR
org.apache.catalina.cluster.session.SimpleTcpReplicationManager -
Unable to receive message through TCP channel
java.lang.ClassCastException
at
org.apache.catalina.cluster.session.SimpleTcpReplicationManager.messageR
eceived(SimpleTcpReplicationManager.java:530)
at
org.apache.catalina.cluster.session.SimpleTcpReplicationManager.messageD
ataReceived(SimpleTcpReplicationManager.java:596)
at
org.apache.catalina.cluster.tcp.SimpleTcpCluster.messageDataReceived(Sim
pleTcpCluster.java:580)
at
org.apache.catalina.cluster.io.ObjectReader.execute(ObjectReader.java:70
)
at
org.apache.catalina.cluster.tcp.TcpReplicationThread.drainChannel(TcpRep
licationThread.java:129)
at
org.apache.catalina.cluster.tcp.TcpReplicationThread.run(TcpReplicationT
hread.java:67)
How come a clustered application would have sessions of type
org.apache.catalina.session.StandardSession? Does anyone have any ideas?
Regards,
Vlad
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