check this line in the persistence.xml by default is "create-drop" you should use update, validate or none View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4151199#4151199 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4151199