My is guess is you're running into this issue: https://jira.jboss.org/jira/browse/EJBTHREE-1246. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4180212#4180212 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4180212