"KnisterPeter" wrote : You mention that Tomcat 5.5 is not compatible with JSF 1.2, but I have a running Tomcat 5.5 with Seam 1.2.1 and JSF RI 1.2. ;) | Why should it be incompatible? I believe this incompatibility only applies if you're not using Facelets, as Tomcat 5.5 doesn't support JSP 2.1 that JSF 1.2 uses. Actually, it might be a good idea to clarify that point in Seam docs, to not freak people out unnecessarily :) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4059262#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...