Ok, problem solved...!!! All the errors disappear removing IceFaces and rolling back to the tomahawk libraries and MyFaces :-) Please verify the compatibility between your framework and the components or libraries that you suggest to use in order to avoid situation like this :-( Anyway thx for your support. Giordacchio++ View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4008867#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...