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Posted to dev@tomcat.apache.org by bu...@apache.org on 2004/10/11 22:59:58 UTC
DO NOT REPLY [Bug 31655] New: - org.apache.catalina.cluster.session.DeltaManager requestCompleted, SEVERE: Unable to serialize delta request, java.io.NotSerializableException:

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http://issues.apache.org/bugzilla/show_bug.cgi?id=31655

org.apache.catalina.cluster.session.DeltaManager requestCompleted, SEVERE: Unable to serialize delta request, java.io.NotSerializableException:  

           Summary: org.apache.catalina.cluster.session.DeltaManager
                    requestCompleted, SEVERE: Unable to serialize delta
                    request, java.io.NotSerializableException:
           Product: Tomcat 5
           Version: 5.0.28
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: Other
         Component: Catalina:Cluster
        AssignedTo: tomcat-dev@jakarta.apache.org
        ReportedBy: suresha143@yahoo.com
                CC: suresha143@yahoo.com


Hi to all,

  We have an existing application in sales domain, developed in core java, 
Servlets, JSP …  technologies and we are using Apache 2.0(HTTP server) and 
Tomcat 5.0.28 (web server) on Red hat 9.0 Linux ENV.
Now I want to implement load balancing and clustering. Load balancing is 
working fine but w.r.t clustering I am getting below error, and I know that 
some object/instance/variable is not serialized, so how can we know which 
object is not serialized, is there any way to debug/ trace this.

Please help me I am trying to debug from couple of week but I couldn’t :(

If you need any additional info about my problem please let me know

Thanks in advance

Suresh Babu Akula


Oct 7, 2004 10:14:06 AM org.apache.catalina.cluster.session.DeltaManager 
requestCompleted
SEVERE: Unable to serialize delta request
java.io.NotSerializableException: 
org.apache.catalina.cluster.session.DeltaSessionFacade
	at java.io.ObjectOutputStream.writeObject0
(ObjectOutputStream.java:1054)
	at java.io.ObjectOutputStream.defaultWriteFields
(ObjectOutputStream.java:1332)
	at java.io.ObjectOutputStream.writeSerialData
(ObjectOutputStream.java:1304)
	at java.io.ObjectOutputStream.writeOrdinaryObject
(ObjectOutputStream.java:1247)
	at java.io.ObjectOutputStream.writeObject0
(ObjectOutputStream.java:1052)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:278)
	at 
org.apache.catalina.cluster.session.DeltaRequest$AttributeInfo.writeExternal
(DeltaRequest.java:300)
	at org.apache.catalina.cluster.session.DeltaRequest.writeExternal
(DeltaRequest.java:217)
	at org.apache.catalina.cluster.session.DeltaManager.unloadDeltaRequest
(DeltaManager.java:393)
	at org.apache.catalina.cluster.session.DeltaManager.requestCompleted
(DeltaManager.java:782)
	at org.apache.catalina.cluster.tcp.ReplicationValve.invoke
(ReplicationValve.java:203)
	at org.apache.catalina.core.StandardValveContext.invokeNext
(StandardValveContext.java:102)
	at org.apache.catalina.valves.ErrorReportValve.invoke
(ErrorReportValve.java:118)
	at org.apache.catalina.core.StandardValveContext.invokeNext
(StandardValveContext.java:102)
	at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:520)
	at org.apache.catalina.core.StandardEngineValve.invoke
(StandardEngineValve.java:109)
	at org.apache.catalina.core.StandardValveContext.invokeNext
(StandardValveContext.java:104)
	at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:520)
	at org.apache.catalina.core.ContainerBase.invoke
(ContainerBase.java:929)
	at org.apache.coyote.tomcat5.CoyoteAdapter.service
(CoyoteAdapter.java:160)
	at org.apache.jk.server.JkCoyoteHandler.invoke
(JkCoyoteHandler.java:300)
	at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:374)
	at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:743)
	at org.apache.jk.common.ChannelSocket.processConnection
(ChannelSocket.java:675)
	at org.apache.jk.common.SocketConnection.runIt(ChannelSocket.java:866)
	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run
(ThreadPool.java:683)
	at java.lang.Thread.run(Thread.java:534)

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