Oracle has its own EJB3 implementation, you should use that, not E-EJB3. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4026806#4026806 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4026806