in web.xml, add the following configuration.
https://docs.jboss.org/jbossas/6/JSF_Guide/en-US/html/jsf.deployer.config.html
Done!!
<context-param> <param-name>org.jboss.jbossfaces.WAR_BUNDLES_JSF_IMPL</param-name> <param-value>true</param-value> </context-param>
https://docs.jboss.org/jbossas/6/JSF_Guide/en-US/html/jsf.deployer.config.html
Done!!