look at the wiki... there is a page on how to run jbpm on JBoss AS 4.2.x View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4136291#4136291 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4136291