Jsf Error : java.lang.ClassCastException

Question

i am using jsf 2.0 on glassfish 3.0.1 to build an interface to my search engine , when i used Openfaces components on my jsf page and whenever i submit a form i get this err

Answer 1

Download the new version of JSF framework.

See version 2.1.11 !

It's a problems caused for bug in ajax state request on internal jsf framework !

For more information please see link http://java.net/jira/browse/JAVASERVERFACES-1845;