Yes, here is where it gets tricky. I also am having that problem and am trying to get a response on how to configure either CMT ot JTA for the ear. I will add the reference posting here when If I ever get a response. One thing you can do now to continue your journey however is edit expand/lib/jbpm-configs-jar/jbpm.cfg.xml Make sure the following two are set to false. | <field name="isCurrentSessionEnabled"><false /></field> | <field name="isTransactionEnabled"><false /></field> | View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4012405#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...