Stateless EJB and the way the core works are separate things. The statefulness described in the design topics document (which was a discussion document and needs some updating since there were some not totally valid assumptions about current behaviour) is about being able to set runtime properties on a processinstance other then process variables so e.g. a mail node can be runtime configured to use othe smtp host. The option to you jBPM in a non-persistent (fully stateless, e.g. for STP) way will certainly remain or even made better. So yes you can keep your service stateless View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4189013#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...