As Matt said its probably your applications objects. When we switched to clustering I was surprised at how many of my session objects I needed to add serializable to. But it was easy work and quickl done.
HTH - Richard Dale, Matt wrote: > 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/ > > ************************************************************************ --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
