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Date: Fri, 31 Jul 2015 21:15:49 +0800
From: Jimmy Chang <chang33.tw@gmail.com>
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To: users@tomcat.apache.org
Subject: Unable to deserialize message:ClusterData
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Hi,

When I uncomment the line
<Cluster className=3D"org.apache.catalina.ha.tcp.SimpleTcpCluster"/>
in server.xml and restart tomcat.

I got the following error message.

SEVERE [Tribes-Task-Receiver-6] 
org.apache.catalina.tribes.group.GroupChannel.messageReceived Unable to 
deserialize 
message:ClusterData[src=3Dorg.apache.catalina.tribes.membership.MemberImpl[=
tcp://{127, 
0, 1, 1}:4000,{127, 0, 1, 1},4000, alive=3D93539     48554, securePort=3D-1=
, 
UDP Port=3D-1, id=3D{-16 88 -120 -72 11 -128 79 55 -116 -66 -101 -52 96 -27=
 
-117 122 }, payload=3D{}, command=3D{}, domain =3D{}, ]; id=3D{82 5 125 66 =
-125 
-81 70 8 -80 -69 30 89 -42 -3 -116 -102 }; sent=3D2015-07-31 20:41:02.308]
java.io.InvalidClassException: 
org.apache.catalina.ha.session.SessionMessageImpl; local class 
incompatible: stream classdesc serialVersionUID =3D 1, local class 
serialVersionUID =3D 2
        at 
java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:621)
        at 
java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1623)
        at 
java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1518)
        at 
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1774)
        at 
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
        at java.io.ObjectInputStream.readObject(ObjectInputStream.java:371)=

        at 
org.apache.catalina.tribes.io.XByteBuffer.deserialize(XByteBuffer.java:552)=

        at 
org.apache.catalina.tribes.io.XByteBuffer.deserialize(XByteBuffer.java:538)=

        at 
org.apache.catalina.tribes.group.GroupChannel.messageReceived(GroupChannel.=
java:277)
        at 
org.apache.catalina.tribes.group.ChannelInterceptorBase.messageReceived(Cha=
nnelInterceptorBase.java:81)
        at 
org.apache.catalina.tribes.group.ChannelInterceptorBase.messageReceived(Cha=
nnelInterceptorBase.java:81)
        at 
org.apache.catalina.tribes.group.interceptors.TcpFailureDetector.messageRec=
eived(TcpFailureDetector.java:117)
        at 
org.apache.catalina.tribes.group.ChannelInterceptorBase.messageReceived(Cha=
nnelInterceptorBase.java:81)
        at 
org.apache.catalina.tribes.group.ChannelCoordinator.messageReceived(Channel=
Coordinator.java:261)
        at 
org.apache.catalina.tribes.transport.ReceiverBase.messageDataReceived(Recei=
verBase.java:242)
        at 
org.apache.catalina.tribes.transport.nio.NioReplicationTask.drainChannel(Ni=
oReplicationTask.java:211)
        at 
org.apache.catalina.tribes.transport.nio.NioReplicationTask.run(NioReplicat=
ionTask.java:102)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1=
142)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:=
617)
        at java.lang.Thread.run(Thread.java:745)


Here are the tomcat status.

Using CATALINA_BASE:   /usr/local/tomcat
Using CATALINA_HOME:   /usr/local/tomcat
Using CATALINA_TMPDIR: /usr/local/tomcat/temp
Using JRE_HOME:        /usr
Using CLASSPATH: 
/usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/tomcat-juli.jar
Server version: Apache Tomcat/8.0.24
Server built:   Jul 1 2015 20:19:55 UTC
Server number:  8.0.24.0
OS Name:        Linux
OS Version:     3.8.13-68.3.3.el6uek.x86_64
Architecture:   amd64
JVM Version:    1.8.0_45-b14
JVM Vendor:     Oracle Corporation


How to fix that?
Thanks.


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