good idea, but someone may think that the server side exception should not be shown at client, I think. It is better that whether the string is transmitted to client or not is configurable. And, I think it should be logged on the server side, because of the trouble to solve is on the server side. Hmm, do you understand me? sorry to my poor english:) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3960934#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...