Hm, I did some more testing. MySQL works for simple workflows but it doesn't when I have task nodes with users specified in the assignee field. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4250285#4250285 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4250285