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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4941) Use of org.apache.hadoop.mapred.lib.CombineFileRecordReader requires casting
Date Tue, 03 Dec 2013 04:43:38 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4941?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13837326#comment-13837326
] 

Hadoop QA commented on MAPREDUCE-4941:
--------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12578762/MAPREDUCE-4941.patch
  against trunk revision .

    {color:red}-1 patch{color}.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4239//console

This message is automatically generated.

> Use of org.apache.hadoop.mapred.lib.CombineFileRecordReader requires casting
> ----------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-4941
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4941
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 2.0.2-alpha, 0.23.5
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>            Priority: Minor
>         Attachments: MAPREDUCE-4941.patch, MAPREDUCE-4941.patch
>
>
> Unlike its counterpart in org.apache.hadoop.mapreduce.lib.input, the CombineFileRecordReader
in mapred requires a user to cast to a RecordReader since the constructor specification says
it must have the RecordReader<K,V> class as a parameter.  It should use {{Class<?
extends RecordReader<K,V>>}} like its mapreduce counterpart to make it easier to
use.



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