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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-5304) mapreduce.Job killTask/failTask/getTaskCompletionEvents methods have incompatible signature changes
Date Wed, 05 Jun 2013 23:17:20 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5304?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Karthik Kambatla updated MAPREDUCE-5304:
----------------------------------------

    Attachment: mr-5304-1.patch

Uploading patch that fixes the incompatibilities. Ran TestMRJobClient,TestMRJobs, and TestUberAM
which test the failTask and killTask methods changed directly/indirectly.
                
> mapreduce.Job killTask/failTask/getTaskCompletionEvents methods have incompatible signature
changes
> ---------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5304
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5304
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 2.0.4-alpha
>            Reporter: Alejandro Abdelnur
>            Assignee: Karthik Kambatla
>            Priority: Blocker
>             Fix For: 2.1.0-beta
>
>         Attachments: mr-5304-1.patch
>
>
> Pointed out by [~zjshen] in MAPREDUCE-4942.
> In {{o.a.h.mapreduce.Job}} class, the following changed from Hadoop 1 to Hadoop 2.
> boolean failTask(TaskAttemptID): Change in return type from void to boolean.
> boolean killTask(TaskAttemptID): Change in return type from void to boolean.
> TaskCompletionEvent[] getTaskCompletionEvents(int): Change in return type from org.apache.hadoop.mapred.TaskCompletionEvent[]
to org.apache.hadoop.mapreduce.TaskCompletionEvent[].
> Using same rational as in other JIRAs, we should fix this to ensure Hadoop 1 to Hadoop
2 source compatibility (taking 0.23.x releases as a casualty as there is not right way for
everybody because we screwed up :( ). Flagging it as incompatible change because of 0.23.

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