public Void execute(CommandContext commandContext) { JobManager jobManager = commandContext.JobManager; outerInstance.timerEntity = new TimerEntity(); outerInstance.timerEntity.LockOwner = System.Guid.randomUUID().ToString(); outerInstance.timerEntity.Duedate = DateTime.Now; outerInstance.timerEntity.Retries = 0; StringWriter stringWriter = new StringWriter(); System.NullReferenceException exception = new System.NullReferenceException(); exception.printStackTrace(new PrintWriter(stringWriter)); outerInstance.timerEntity.ExceptionStacktrace = stringWriter.ToString(); jobManager.insert(outerInstance.timerEntity); assertNotNull(outerInstance.timerEntity.Id); return(null); }