[jira] Commented: (MAPREDUCE-1920) Job.getCounters() returns null when using a cluster

["Aaron Kimball (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1920?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12885663#action_12885663 ] 

Aaron Kimball commented on MAPREDUCE-1920:
------------------------------------------

The new API seems to have an issue w.r.t. counters. Calling Job.getCounters() after the job has completed (successfully) returns null. I can see all the counters there on the JobTracker status web page. They have the correct values. But I can't access them programmatically.

So, this is returning null:

{code}
public class Job extends JobContextImpl implements JobContext {

 ...

  public Counters getCounters()
      throws IOException, InterruptedException {
    ensureState(JobState.RUNNING);
    return cluster.getClient().getJobCounters(getJobID());
  }

}
{code}


This seems to work fine with the LocalJobRunner.

> Job.getCounters() returns null when using a cluster
> ---------------------------------------------------
>
>                 Key: MAPREDUCE-1920
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1920
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 0.21.0
>            Reporter: Aaron Kimball
>            Priority: Critical
>
> Calling Job.getCounters() after the job has completed (successfully) returns null.

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