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https://issues.apache.org/jira/browse/MAPREDUCE-4172?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13259741#comment-13259741
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Harsh J commented on MAPREDUCE-4172:
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Or I can squash them in for commit here once all JIRAs are reviewed and +1'd -
and then close away all subtasks.
> Clean up java warnings in the hadoop-mapreduce-project sub projects
> -------------------------------------------------------------------
>
> Key: MAPREDUCE-4172
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4172
> Project: Hadoop Map/Reduce
> Issue Type: Task
> Components: build
> Affects Versions: trunk
> Reporter: Harsh J
> Assignee: Harsh J
>
> There are lots of warnings in the hadoop-mapreduce-project presently. We can
> clear almost all of this away:
> * Unused imports
> * Unused variables
> ** For loops that can be replaced with while instead to save an unused
> variable
> * Unused methods
> * Deprecation warnings where an alternative can be used (Especially
> SequenceFile reader/writer usage and MiniDFSCluster usage)
> * Deprecation warnings where an alternative isn't clear (Especially
> MiniMRCluster usage and DistributedCache API usage where a Job object may not
> be available)
> * Unchecked conversions
> * Raw type usage
> * (etc.)
> I'm going to open one sub-task per sub-project we have, with patches attached
> to them.
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