I recomend you to see the detail option in this error, sometimes it clarify you why this error happens. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4190988#4190988 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4190988