[jboss-user] [Clustering/JBoss] - Re: jBoss Cluster jvmRoute Value and HTTP Server Request Pro

i am getting the following exception java.lang.IllegalArgumentException: setAttribute: Non-serializable attribute at org.jboss.web.tomcat.service.session.ClusteredSession.setAttribute(ClusteredSession.java:535) at org.apache.catalina.session.StandardSessionFacade.setAttribute(StandardSessionFacade.java:130) at org.springframework.web.servlet.mvc.AbstractFormController.showForm(AbstractFormController.java:566) at org.springframework.web.servlet.mvc.SimpleFormController.showForm(SimpleFormController.java:198) at org.springframework.web.servle after adding distributable tag in my application the session is not replicating , i hav googled for this error and found that my session should be serialized, please clarify me on this is it must to serialize or else is there any other way to do session replication View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4246087#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...