You wrote: anonymous wrote : But in jbpm3.2.6.sp1 I can do that without any error Isn't most likely then, that it is not your fault? Besides that, not all 'fixes' are in jira issues. Sometimes things get fixed without an issue being raised. Personally, I'd not spend (waste?) the time finding this out. But he, that's just me. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4247960#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...