I want to add that I use Jbpm 3.0.0 with Tomcat 4.1.27 and Hibernate 3.0.5, not JBoss or Spring. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3991208#3991208 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3991208