Problem was with Scheduler service. I simply disabled it in jbpm.cfg.xml and then it worked. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4131629#4131629 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4131629