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From "Ramya Sunil (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3290) list-active-trackers throws NPE
Date Fri, 28 Oct 2011 16:01:33 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3290?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13138476#comment-13138476

Ramya Sunil commented on MAPREDUCE-3290:

bq. Ramya, I can't seem to reproduce this with latest builds. Can you please let me know further
details? Tx
bq. There is a corner case where the node might have expired etc., trivial null check to fix.

Yes, I did have a few lost NMs in the cluster.
> list-active-trackers throws NPE
> -------------------------------
>                 Key: MAPREDUCE-3290
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3290
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Ramya Sunil
>            Assignee: Arun C Murthy
>             Fix For: 0.23.0
>         Attachments: MAPREDUCE-3290.patch
> bin/mapred -list-active-trackers throws NPE in mrV2. Trace in the next comment.

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