I've changed the code to use CMT with a TransactionAttributeType.REQUIRES_NEW and it works perfectly. Thanks for you help. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4129348#4129348 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4129348