It should be very easy to write an errorpage. The root cause exception is always a ConcurrentAccessException. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3959718#3959718 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3959718