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From "Zhijie Shen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5234) Signature changes for getTaskId of TaskReport in mapred
Date Tue, 14 May 2013 23:22:14 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13657672#comment-13657672
] 

Zhijie Shen commented on MAPREDUCE-5234:
----------------------------------------

Vinod, I think unfortunately we need to change mapreduce.TaskReport, where TaskID getTaskId()
gets inherited by mapred.TaskReport. However, in MR1, getTaskId() returns String. The return
type cannot be overloaded. Like MAPREDUCE-5156, we have to choose one to break, either MR1
or early MR2 versions.
                
> Signature changes for getTaskId of TaskReport in mapred
> -------------------------------------------------------
>
>                 Key: MAPREDUCE-5234
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5234
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>            Reporter: Zhijie Shen
>            Assignee: Mayank Bansal
>         Attachments: MAPREDUCE-5234-trunk-1.patch
>
>
> TaskReport in mapred of MR2 extends TaskReport in mapreduce, and inherits getTaskId,
which return TaskID object. in MR1, this function returns String.

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