well i personly also thought that it does not have to do any think with seam ? but just want to be confirmed that is this exception have to do any thing with seam request processing life cycle or not. As from exception its seems that may be some jsf component(which i thought it is refering as node) is missing during request or cannot be finded. as tree is created for jsf view. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4043628#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...