The calculation of the expiration timestamp of an event in the OTN is effectively given by the combination : Handle.startTimeStamp + Handle.duration + OTN.expirationOffset If the addition overflows, the event will be scheduled for expiration immediately.
Fixed by https://github.com/droolsjbpm/drools/commit/efcdfa0e4
Mario Fusco <mario.fusco> updated the status of jira DROOLS-455 to Resolved
Verified with BRMS 6.0.2 ER2.