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https://issues.apache.org/jira/browse/HADOOP-10178?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14082803#comment-14082803
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Jason Lowe commented on HADOOP-10178:
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I think this broke deprecated properties for streaming jobs. See
MAPREDUCE-6022.
> Configuration deprecation always emit "deprecated" warnings when a new key is
> used
> ----------------------------------------------------------------------------------
>
> Key: HADOOP-10178
> URL: https://issues.apache.org/jira/browse/HADOOP-10178
> Project: Hadoop Common
> Issue Type: Bug
> Components: conf
> Affects Versions: 2.2.0
> Reporter: shanyu zhao
> Assignee: shanyu zhao
> Fix For: 3.0.0, 2.3.0
>
> Attachments: HADOOP-10178-v2.patch, HADOOP-10178-v3.patch,
> HADOOP-10178-v4.patch, HADOOP-10178-v5.patch, HADOOP-10178-v6.patch,
> HADOOP-10178-v7.patch, HADOOP-10178.patch
>
>
> Even if you use any new configuration properties, you still find "deprecated"
> warnings in your logs. E.g.:
> 13/12/14 01:00:51 INFO Configuration.deprecation: mapred.input.dir.recursive
> is deprecated. Instead, use
> mapreduce.input.fileinputformat.input.dir.recursive
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