I tried your suggestion and it did not work. I changed my components.xml as well from <core:managed-persistence-context name="em" | auto-create="true" | persistence-unit-jndi-name="java:/EntityManagers/pt"> to <core:managed-persistence-context name="entityManager" | auto-create="true" | persistence-unit-jndi-name="java:/EntityManagers/pt"> View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4050837#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...