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https://issues.apache.org/jira/browse/MAPREDUCE-1888?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12885104#action_12885104
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Amareshwari Sriramadasu commented on MAPREDUCE-1888:
----------------------------------------------------
Patch looks good.
A couple of mumak tests failed with NoClassDefFoundError, they passed on my
local machine. TestSimulatorDeterministicReplay failed because of
MAPREDUCE-1834.
Will check this in.
> Streaming overrides user given output key and value types.
> ----------------------------------------------------------
>
> Key: MAPREDUCE-1888
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1888
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: contrib/streaming
> Affects Versions: 0.21.0
> Reporter: Amareshwari Sriramadasu
> Assignee: Ravi Gummadi
> Fix For: 0.22.0
>
> Attachments: 1888.patch, 1888.v1.patch, 1888.v2.patch, 1888.v3.patch,
> 1888.v4.patch
>
>
> The following code in StreamJob.java overrides user given output key and
> value types.
> {code}
> idResolver.resolve(conf.get(StreamJobConfig.MAP_OUTPUT,
> IdentifierResolver.TEXT_ID));
> conf.setClass(StreamJobConfig.MAP_OUTPUT_READER_CLASS,
> idResolver.getOutputReaderClass(), OutputReader.class);
> job.setMapOutputKeyClass(idResolver.getOutputKeyClass());
> job.setMapOutputValueClass(idResolver.getOutputValueClass());
>
> idResolver.resolve(conf.get(StreamJobConfig.REDUCE_OUTPUT,
> IdentifierResolver.TEXT_ID));
> conf.setClass(StreamJobConfig.REDUCE_OUTPUT_READER_CLASS,
> idResolver.getOutputReaderClass(), OutputReader.class);
> job.setOutputKeyClass(idResolver.getOutputKeyClass());
> job.setOutputValueClass(idResolver.getOutputValueClass());
> {code}
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