[jira] [Resolved] (MAPREDUCE-5160) Aggregatewordcount and aggregatewordhist in hadoop-1 examples can not find their inner classes when running on Yarn

["Zhijie Shen (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5160?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zhijie Shen resolved MAPREDUCE-5160.
------------------------------------

       Resolution: Fixed
    Fix Version/s: 2.0.5-beta

The issue is fixed with MAPREDUCE-5159.
                
> Aggregatewordcount and aggregatewordhist in hadoop-1 examples can not find their inner classes when running on Yarn
> -------------------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5160
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5160
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>            Reporter: Zhijie Shen
>            Assignee: Zhijie Shen
>             Fix For: 2.0.5-beta
>
>
> Aggregatewordcount and Aggregatewordhist of hadoop-1 cannot run on hadoop-2 due to org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJob.createValueAggregatorJob(String args[], Class<?> caller) is not available on hadoop-2 (see MAPREDUCE-5159).
> After I changed Aggregatewordcount and Aggregatewordhist to use createValueAggregatorJob(String args[], Class<? extends ValueAggregatorDescriptor>[] descriptors), which is available on hadoop-2, the two examples could be accepted and run on Yarn.
> However, the two examples still failed, because their inner classes, WordCountPlugInClass and AggregateWordHistogramPlugin, cannot be found in runtime, respectively. Both the plugin classes extend org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor.

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