Hi, We have an user task with 2 timers and a messaging event attached to it. The cancel activity in user task is set to true for the messaging event and one of the timers. When the external system closes the user task through messaging event attached to it, we observe that it does not get closed all the times. The task is not getting closed for few instances. The application runs on 5 Tomcat grid servers and therefore, 5 job executioners. We are not sure why the task is not getting closed for few instances. Can you think of any possible reasons. Please advise.