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https://issues.apache.org/jira/browse/HADOOP-1840?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12526214
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Devaraj Das commented on HADOOP-1840:
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+1
> Task's diagnostic messages are lost sometimes
> ---------------------------------------------
>
> Key: HADOOP-1840
> URL: https://issues.apache.org/jira/browse/HADOOP-1840
> Project: Hadoop
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.15.0
> Reporter: Arun C Murthy
> Assignee: Arun C Murthy
> Priority: Critical
> Fix For: 0.15.0
>
> Attachments: HADOOP-1840_1_20070910.patch
>
>
> HADOOP-1158 (scheduled for 0.15.0) introduced a bug where sometimes the
> task's diagnostic's messages sent via
> {{TaskUmbilicalProtocol.reportDiagnosticInfo}} are lost. This is due to them
> being not being saved properly and being overridden in
> {{TaskStatus.statusUpdate}}, simple fix is to append the prev diagnostic
> message.
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