Old JBossAS (pre 5) has MC 1.0 in it, where you're trying to use MC 2.0 xml schema. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4201098#4201098 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4201098