I would guess that this means you have an object in your session that does not implement the serializable interface.
Ta Matt -----Original Message----- From: Sng Wee Jim [mailto:[EMAIL PROTECTED] Sent: 28 February 2005 09:21 To: tomcat-user@jakarta.apache.org Subject: Tomcat clustering and NotSerializableException Hi, I am using Tomcat 5.0.28 on MS Win2k server. After I have uncommented the "Cluster" element in server.xml, I get the following exceptions on the tomcat console for some actions that are using displaytag. Is it a tomcat bug, since org.apache.coyote.tomcat5.CoyoteRequestFacade is involved? (DeltaManager.java:813)- Unable to serialize delta request java.io.NotSerializableException: org.apache.coyote.tomcat5.CoyoteRequestFacade at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1054) at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java :1332) at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:13 04) at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.jav a:1247) at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1052) at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:278) at org.apache.catalina.cluster.session.DeltaRequest$AttributeInfo.writeE xternal(DeltaRequest.java:300) at org.apache.catalina.cluster.session.DeltaRequest.writeExternal(DeltaR equest.java:217) at org.apache.catalina.cluster.session.DeltaManager.unloadDeltaRequest(D eltaManager.java:393) at org.apache.catalina.cluster.session.DeltaManager.requestCompleted(Del taManager.java:782) at org.apache.catalina.cluster.tcp.ReplicationValve.invoke(ReplicationVa lve.java:203) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv eContext.java:102) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j ava:118) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv eContext.java:102) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav a:520) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal ve.java:109) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv eContext.java:104) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav a:520) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929) at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:16 0) at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:300) at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:374) at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:743) at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.ja va:675) at org.apache.jk.common.SocketConnection.runIt(ChannelSocket.java:866) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadP ool.java:683) at java.lang.Thread.run(Thread.java:534) - Jim ************************************************************************ The information in this email is confidential and is intended solely for the addressee(s). Access to this email by anyone else is unauthorized. If you are not an intended recipient, please notify the sender of this email immediately. You should not copy, use or disseminate the information contained in the email. Any views expressed in this message are those of the individual sender, except where the sender specifically states them to be the views of Capco. http://www.capco.com/ ************************************************************************
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