Then should added having to copy el.jar and el-ri.jar to the jsf-lib directory as well, as was described in running seam with JSF 1.2. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4025956#4025956 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4025956