Sorry, the process definition is (I hope it gets it right in this post): <?xml version="1.0" encoding="UTF-8"?> | <process-definition> | <start-state name="start"> | <transition to="a" name="to a"/><transition to="b" name="to b"/> </start-state> | <state name="a"><transition to="xor"/></state> | <state name="b"><transition to="xor"/></state> | <merge name="xor"><transition to="c"/></merge> | <state name="c"/> | </process-definition> View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3960677#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...