This is normal for RichFaces ResourceLifecycle class. The fix to not show this exception is in Richfaces trunk. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4148100#4148100 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4148100