Also I tested mod_cluster project at 5.0.0 getting the same result. It generate a new session when return node1. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4205136#4205136 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4205136