JBoss Messaging will only work with JBoss AS 4.0.1.SP1 and later. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3978812#3978812 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3978812