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From "Pitre, Russell" <>
Subject Tomcat 5 Clustering
Date Tue, 16 Dec 2003 18:37:56 GMT
Hello All:


Please excuse my ignorance, I'm trying to achieve clustering with Tomcat
5....I've read the following in the Tomcat 5 documentation:


To run session replication in your Tomcat 5 container, the following
steps should be completed:
    -->All your session attributes must implement 



Okay. I've completed all the other steps (uncomment the <Cluster>
element along with the <valve>, and added the <distributable/> in
web.xml)........I'm trying to code a simple object that implements to store in a session and here it is.....


package com.shawmut.session;



public class SerializeSession implements Serializable {


            public static String testString  = "";


            public void setString(String stringValue){

                        this.testString = stringValue;


            public String getString(){

                        return this.testString;




ok.....Now I want to put this in the session.....



            if(session.getAttribute("ss")== null){

                        SerializeSession ss = new SerializeSession();

                        ss.setString("Booooooooooooooo! And I created my
session on Tomcat 1 Node");

                        session.setAttribute("ss", ss);







Whats going on here?.....I unplug the patch cord ( docs says it's a bad
idea) from one of the boxes and hit a jsp on the working node that does
the following......and the session doesn't carry over to the working



if(session.getAttribute("ss")!= null){

            SerializeSession ss2 =










Basically what I'm looking for is an example of serializing session
attributes as noted above.... Any Help here will be greatly







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