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