Can anyone confirm/deny that entityManager cannot be used in @Startup components while hbm2ddl is being used? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4112584#4112584 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4112584