Found the cause: http://jira.jboss.com/jira/browse/JBSEAM-498 View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3985639#3985639 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3985639