appContext.getEventHandler().handle(
new TaskAttemptDiagnosticsUpdateEvent(taskAttemptId, message));
appContext.getEventHandler().handle(
new TaskAttemptEvent(taskAttemptId,
TaskAttemptEventType.TA_FAILMSG));
FailTaskAttemptResponse response = recordFactory.
newRecordInstance(FailTaskAttemptResponse.class);
return response;
}