The (very) aggressive classloading has got worse. To get the booking example to the point of failing on not being able to load the SeamInterceptor I now have to add the following to server/default/lib (adding them to the ear/lib doesn't work). Seam is a dead duck on AS 5 until this can be fixed. jbpm-jpdl.jar drools-core.jar drools-compiler.jar jboss-cache.jar jgroups.jar jsf-facelets.jar (if not included in the example's WEB-INF/lib) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4111232#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...