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From "Arun C Murthy (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-3423) Fetcher Thread should log proper exception
Date Thu, 29 Dec 2011 08:21:30 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3423?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arun C Murthy updated MAPREDUCE-3423:
-------------------------------------

    Assignee: Bhallamudi Venkata Siva Kamesh
      Status: Open  (was: Patch Available)

Kamesh - you've removed the null check for mapOutput?
                
> Fetcher Thread should log proper exception
> ------------------------------------------
>
>                 Key: MAPREDUCE-3423
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3423
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.24.0
>            Reporter: Bhallamudi Venkata Siva Kamesh
>            Assignee: Bhallamudi Venkata Siva Kamesh
>         Attachments: MAPREDUCE-3423-1.patch, MAPREDUCE-3423.patch
>
>
> Exception should be logged properly when there is any while deserializing Shuffle Header
information .
>     {code}
>       if (mapId == null || mapOutput == null) {
>         LOG.info("fetcher#" + id + " failed to read map header" + 
>                  mapId + " decomp: " + 
>                  decompressedLength + ", " + compressedLength, ioe);
>         return false;
>       }
>     {code}

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