There are two possibilities here. First, your database supports optimistic locking in which case you can specify that in your *-ds.xml file. Second, you are using Hibernate for persistence in which case it uses optimistic locking by default unless you can set the optimistic-lock mapping attribute to false. You can read more about optimistic-lock in the Hibernate docs. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4246218#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...