You can find a minimal config example here, and info for JBoss4.2 and JSF here. To use MyFaces components, here says there's no problem, and also there's some help if you want to use MyFaces Core JSF implementation. Also there's a note here saying: anonymous wrote : If you don't remove the JSF RI libraries from your WEB-INF/lib then you might get strange errors like No faces context?! View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4092247#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...