Hi, it could be just the different variable name: private EntityManager em; and private EntityManager entityManager; regards View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4116210#4116210 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4116210