If the basic clustering is fine, probably the best way to troubleshoot this is turn on the org.jboss.web log tracing. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3973751#3973751 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3973751