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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5159) Aggregatewordcount and aggregatewordhist in hadoop-1 examples are not binary compatible with hadoop-2 mapred.lib.aggregate
Date Thu, 09 May 2013 10:49:21 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13652863#comment-13652863
] 

Hudson commented on MAPREDUCE-5159:
-----------------------------------

Integrated in Hadoop-Yarn-trunk #204 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/204/])
    MAPREDUCE-5159. Change ValueAggregatorJob to add APIs which can support binary compatibility
with hadoop-1 examples. Contributed by Zhijie Shen. (Revision 1480394)

     Result = SUCCESS
vinodkv : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1480394
Files : 
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/lib/aggregate/ValueAggregatorJob.java

                
> Aggregatewordcount and aggregatewordhist in hadoop-1 examples are not binary compatible
with hadoop-2 mapred.lib.aggregate
> --------------------------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5159
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5159
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>            Reporter: Zhijie Shen
>            Assignee: Zhijie Shen
>             Fix For: 2.0.5-beta
>
>         Attachments: MAPREDUCE-5159.1.patch
>
>
> Both examples in hadoop-1 use org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJob.createValueAggregatorJob(String
args[], Class<?> caller), which no longer exists after upgrading to hadoop-2. Therefore,
they cannot not find the accordant function with their function signature in the binary.

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