Hello, Does anybody here already setup the seam 2 with RichFaces 3.1? I'm having this exception: java.lang.IllegalArgumentException: argument type mismatch ... ... Caused by: javax.faces.FacesException: java.lang.IllegalArgumentException: argument type mismatch ... Caused by: java.lang.IllegalArgumentException: argument type mismatch at org.apache.commons.digester.Digester.createSAXException(Digester.java:2792) ... ... 11:35:57,677 ERROR [[/vcpontual]] Exception sending context initialized event to listener instance of class org.jboss.web.jsf.integration.config.JBossJSFConfigureListener javax.faces.FacesException: org.ajax4jsf.framework.renderer.ChameleonRenderKitFactory Best Regards, Petterson View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4087980#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...