Have you configured your jBPM correctly? AFAIK you need to configure jBPM with Seam in order to use the Actor instance. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4086414#4086414 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4086414