thanks for help but this seems to work only if i define the error message in messages.properties if i define a internationalized message in message_XY.properties it is not read and if i delete the message from message.properties i get a NullPointerException if someone could explain me the reason why i get this java.util.MissingResourceException that would be great. regards View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4037629#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...