Problems #1 and #2 solved! This is a known "feature" of WebSphere v6.1. To make it run, it is necessary that the following Webcontainer custom property be set to 'true': com.ibm.ws.webcontainer.invokefilterscompatibility See this link for explanation: http://www-1.ibm.com/support/docview.wss?uid=swg24014758 I now have the "hibernate2" sample of seam 2.0beta that fully works on was v6.1.0.9 View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4066138#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...