How to override JSF library in JBoss

in web.xml, add the following configuration.

<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!!