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Date: Tue, 15 Sep 2009 15:23:59 -0700 (PDT)
From: "Dick King (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
Subject: [jira] Updated: (MAPREDUCE-986) rumen makes a task with a null type
 when one of the task lines is truncated
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     [ https://issues.apache.org/jira/browse/MAPREDUCE-986?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dick King updated MAPREDUCE-986:
--------------------------------

    Attachment: MAPREDUCE-986--2009-09-15--1518.patch

This patch caluses a task to not appear in a job trace if we don't know what its type is.

Also, under the old code, if the task creation line is present but the finish line is truncated, the taskType becomes null.  This will cause the task to be marked with its type if that happens.

> rumen makes a task with a null type when one of the task lines is truncated
> ---------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-986
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-986
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Dick King
>            Assignee: Dick King
>         Attachments: MAPREDUCE-986--2009-09-15--1518.patch
>
>
> Rumen was used to produce a job trace, but the job trace contained a LoggedTask that had a null taskType.  This appears to happen when a Task line is truncated.
> We should not put the LoggedTask in the trace at all when this happens.

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