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https://issues.apache.org/jira/browse/MAPREDUCE-4177?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Harsh J updated MAPREDUCE-4177:
-------------------------------
Attachment: 0005-MapReduce-Client-JobClient-Cleanup.patch
The relevant test failures here are:
{{org.apache.hadoop.mapred.TestMapRed}}
This failed cause I fixed the reduce() signature in MyReducer (which extended
IdentityReducer). Doing so activated it to run in real. All these months
(years?) its been running just the identity signature cause the provided
implementation had no @Override. The method in reduce() also was old - from a
time back when SequenceFile was used as the intermediate format (it tests if
the sequence file is compressed if map-output compression is on). I got rid of
this check as there are checks elsewhere that guarantee this now. The reducer
now used is purely identity and hence the test shall no longer fail.
{{org.apache.hadoop.mapreduce.lib.input.TestCombineFileInputFormat}}
This was cause one of the DummyRecordReader constructors was removed (Cause it
was marked as unused by javac). I added it back and test passes again, so I
threw in a comment on why we should keep it and suppressed the unused warning.
Other test failures are irrelevant to the patch and have been failing
intermittently across all MAPREDUCE-4172 (and others) QA builds.
Newly attached patch should fix all the real issues that arose here (as
described above).
> Clean up hadoop-mapreduce-client-jobclient
> ------------------------------------------
>
> Key: MAPREDUCE-4177
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4177
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Components: build
> Affects Versions: trunk
> Reporter: Harsh J
> Assignee: Harsh J
> Priority: Minor
> Attachments: 0005-MapReduce-Client-JobClient-Cleanup.patch,
> 0005-MapReduce-Client-JobClient-Cleanup.patch
>
>
> Clean up a bunch of existing javac warnings in
> hadoop-mapreduce-client-jobclient module.
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