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https://issues.apache.org/jira/browse/MAPREDUCE-1876?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12882482#action_12882482
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Amar Kamat commented on MAPREDUCE-1876:
---------------------------------------

Failures are mostly either timeouts or MiniDFS class not found or 
DelegationToken errors. Doesnt seem related to this patch. Testing again on my 
local box.

> TaskAttemptStartedEvent.java incorrectly logs MAP_ATTEMPT_STARTED as event 
> type for reduce tasks
> ------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-1876
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1876
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: jobtracker
>    Affects Versions: 0.22.0
>            Reporter: Amar Kamat
>            Assignee: Amar Kamat
>             Fix For: 0.22.0
>
>         Attachments: mapreduce-1876-v1.1.patch, mapreduce-1876-v1.2.patch
>
>
> {{TaskAttemptStartedEvent}} is used to log the start time of both the map and 
> reduce task attempts to {{JobHistory}}. Following is the implementation of 
> _getEventType()_ method of {{TaskAttemptStartedEvent}}
> {code}
> /** Get the event type */
>   public EventType getEventType() {
>     return EventType.MAP_ATTEMPT_STARTED;
>   }
> {code}

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