Although if you insist to use resource bundles, then I don't have much of a clue, perhaps to write your Validator. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3996037#3996037 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3996037