facesMessages.addToControl() *doesn't* take client id, it takes the id you enter on the page. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4118776#4118776 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4118776