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https://issues.apache.org/jira/browse/MAPREDUCE-5159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13652923#comment-13652923
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Hudson commented on MAPREDUCE-5159:
-----------------------------------

Integrated in Hadoop-Hdfs-trunk #1393 (See 
[https://builds.apache.org/job/Hadoop-Hdfs-trunk/1393/])
    MAPREDUCE-5159. Change ValueAggregatorJob to add APIs which can support 
binary compatibility with hadoop-1 examples. Contributed by Zhijie Shen. 
(Revision 1480394)

     Result = FAILURE
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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