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https://issues.apache.org/jira/browse/MAPREDUCE-5159?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhijie Shen updated MAPREDUCE-5159:
-----------------------------------

    Issue Type: Sub-task  (was: Bug)
        Parent: MAPREDUCE-5108
    
> 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
>
> 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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