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Posted to mapreduce-issues@hadoop.apache.org by "Arun C Murthy (JIRA)" <ji...@apache.org> on 2011/06/03 13:29:47 UTC

[jira] [Updated] (MAPREDUCE-2539) NPE when calling JobClient.getMapTaskReports for retired job

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2539?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Arun C Murthy updated MAPREDUCE-2539:
-------------------------------------

    Resolution: Fixed
        Status: Resolved  (was: Patch Available)

I just committed this to both trunk and MR-279. Thanks Robert!


> NPE when calling JobClient.getMapTaskReports for retired job
> ------------------------------------------------------------
>
>                 Key: MAPREDUCE-2539
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2539
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: client
>    Affects Versions: 0.22.0
>            Reporter: Robert Joseph Evans
>            Assignee: Robert Joseph Evans
>         Attachments: MR-2539-trunk-v1.patch, MR-2539-yarn-v1.patch
>
>
> When calling JobClient.getMapTaskReports for a retired job this results in a NPE.  In the 0.20.* version an empty TaskReport array was returned instead.
> Caused by: java.lang.NullPointerException
>         at org.apache.hadoop.mapred.JobClient.getMapTaskReports(JobClient.java:588)
>         at org.apache.pig.tools.pigstats.JobStats.addMapReduceStatistics(JobStats.java:388)
> ......

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