Huisheng Xu [http://community.jboss.org/people/rebody] replied to the discussion "JBPM-2537" To view the discussion, visit: http://community.jboss.org/message/540316#540316 -------------------------------------------------------------- Hi Maciej,   I think I will vote yes, if we could fix this issue without modify ExternalActviityBehaviour.  We still have other way to implement this feature.  e.g. modify TaskActivity to notify if there are out of date tasks should be deleted.   When you check the patch and testcase, please make attention this comment of Ronald in TimerImpl:     // I am not sure here, timeout() just needs to be called in case we are     // executing for a task activity         ActivityImpl activity = execution.getActivity();     ExternalActivityBehaviour behaviour = (ExternalActivityBehaviour) activity.getActivityBehaviour();     behaviour.timeout(execution, signalName);    So I will try to find a solution without changed public API.  Then we could discuss about which solution could be taken. -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/540316#540316] Start a new discussion in jBPM Development at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]