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https://issues.apache.org/jira/browse/MAPREDUCE-2429?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13049198#comment-13049198
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Sharad Agarwal commented on MAPREDUCE-2429:
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bq. The minor fix required in TaskAttemptImpl state machine is to ignore the 
TA_DONE event in SUCCEEDED state.
Correction: ignore the TA_UPDATE event in SUCCEEDED state.

> Check jvmid during task status report
> -------------------------------------
>
>                 Key: MAPREDUCE-2429
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2429
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: tasktracker
>    Affects Versions: 0.21.0, 0.22.0, 0.23.0
>            Reporter: Arun C Murthy
>            Assignee: Siddharth Seth
>             Fix For: 0.20.204.0, 0.23.0
>
>         Attachments: MR2429-1.patch, MR2429.patch, MR2429_trunk.patch
>
>
> Currently TT doens't check to ensure jvmid is relevant during communication 
> with the Child via TaskUmbilicalProtocol.

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