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From "Satish Subhashrao Saley (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-14522) Unable to see logs for Job end notification
Date Mon, 12 Jun 2017 22:07:00 GMT
Satish Subhashrao Saley created HADOOP-14522:

             Summary: Unable to see logs for Job end notification
                 Key: HADOOP-14522
                 URL: https://issues.apache.org/jira/browse/HADOOP-14522
             Project: Hadoop Common
          Issue Type: Bug
            Reporter: Satish Subhashrao Saley

Hi, I have set {{mapreduce.job.end-notification.url}} and I am able to get the notification
correctly.  But I am unable to see log lines from class org.apache.hadoop.mapreduce.v2.app.MRAppMaster
regarding job end notification. When I was trying out different notification urls (before
stabilizing my app), I didn't have any way to look at the logs and wasted a lot of time figuring
out actual issue. It would be good if these logs are also included in syslog for container.

[relevant code|https://github.com/apache/hadoop/blob/branch-2.8/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/MRAppMaster.java#L641-L650]
      // Stop all services
      // This will also send the final report to the ResourceManager
      LOG.info("Calling stop for all the services"); <---- Able to see this.

      if (isLastAMRetry) {
        // Send job-end notification when it is safe to report termination to
        // users and it is the last AM retry
        if (getConfig().get(MRJobConfig.MR_JOB_END_NOTIFICATION_URL) != null) {
          try {
            LOG.info("Job end notification started for jobID : "
                + job.getReport().getJobId()); <--- unable to see this
            JobEndNotifier notifier = new JobEndNotifier();
            JobReport report = job.getReport();

Is it because we are shutting down all services including JobHistoryEventHandler in {{MRAppMaster.this.stop();}}

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