you will probably have to deploy the jbpm in the jboss 4.2 AS. and then try deploying the application View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4199037#4199037 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4199037