I seen some info from : http://jira.jboss.com/jira/browse/HIBERNATE-17 View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3981089#3981089 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3981089