IMO, you shouldn't signal the root token once it has arrived in the fork:
| Token root = processInstance.getRootToken();
| // root token is already on the fork, signal children instead
| // root.signal();
|
I've found a (rejected) feature request to prevent the root token from being signaled
on a fork node:
http://jira.jboss.com/jira/browse/JBPM-642
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