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From "Bischoff, Mathew" <Mathew.Bisch...@merrillcorp.com>
Subject Cluster serialization issue
Date Thu, 24 Aug 2006 14:04:41 GMT
Hi,
  I'm starting to get clustering running on Tomcat I think I've solved
most of my webapp's non-serialized object issues, but now I'm getting
the error below. From what I can see , the error is not originating from
my code in the webapp, and searching the web for this error message
hasn't turned up anything useful.  Any help would be appreciated ...

Tomcat 5.5.12 on Solaris

2006-08-23 15:22:48,096 DEBUG  DeltaManager                     -
Manager [/edjls]: Received SessionMessage of type=(SESSION-DELTA) from
[org.apache.catalina.cluster.mcast.McastMember[...]]
2006-08-23 15:22:48,097 DEBUG  DeltaManager                     -
Manager [/edjls]: received session [4F2C1D4583B74B19E35243B76B2A35AF.a1]
delta.
2006-08-23 15:22:57,837 ERROR  DeltaManager                     - Unable
to serialize delta request for sessionid
[4F2C1D4583B74B19E35243B76B2A35AF.a1]
java.io.NotSerializableException:
org.apache.catalina.connector.RequestFacade
        at
java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1075)
        at
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:13
69)
        at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1341)
        at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1
284)
        at
java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073)
        at
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:13
69)
        at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1341)
        at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1
284)
        at
java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073)
        at
java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:291)
        at
org.apache.catalina.cluster.session.DeltaRequest$AttributeInfo.writeExte
rnal(DeltaRequest.java:346)
        at
org.apache.catalina.cluster.session.DeltaRequest.writeExternal(DeltaRequ
est.java:263)
        at
org.apache.catalina.cluster.session.DeltaManager.unloadDeltaRequest(Delt
aManager.java:695)
        at
org.apache.catalina.cluster.session.DeltaManager.requestCompleted(DeltaM
anager.java:1249)
        at
org.apache.catalina.cluster.tcp.ReplicationValve.sendSessionReplicationM
essage(ReplicationValve.java:328)
        at
org.apache.catalina.cluster.tcp.ReplicationValve.invoke(ReplicationValve
.java:271)
        at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java
:105)
        at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.
java:107)
        at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:1
48)
        at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:86
8)
        at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.proc
essConnection(Http11BaseProtocol.java:663)
        at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint
.java:527)
        at
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollow
erWorkerThread.java:80)
        at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool
.java:684)
        at java.lang.Thread.run(Thread.java:595)

Matt Bischoff
Software Developer - FDS External Systems
Merrill Corporation

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