Zippy, thanks for the reply. The error is not thrown anymore, but it seems the session is not replicated at all. Thanks, matteo View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4173767#4173767 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4173767