I've only seen 'null' in the responding text if the swimlane was 're-used' with an already filled actor field. But I can mis some things. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3958842#3958842 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3958842