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https://issues.apache.org/jira/browse/HADOOP-13335?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15363164#comment-15363164
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Allen Wittenauer commented on HADOOP-13335:
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As to the patch:
* for trunk, hadoop_error should be used instead of redirection
* all env vars should start with either HADOOP_, YARN_, HDFS_, or MAPRED_.
> Add an option to suppress the 'use yarn jar' warning or remove it
> -----------------------------------------------------------------
>
> Key: HADOOP-13335
> URL: https://issues.apache.org/jira/browse/HADOOP-13335
> Project: Hadoop Common
> Issue Type: Improvement
> Affects Versions: 2.7.0
> Reporter: Siddharth Seth
> Attachments: HADOOP-13335.01.patch
>
>
> https://issues.apache.org/jira/browse/HADOOP-11257 added a 'deprecation'
> warning for 'hadoop jar'.
> hadoop jar is used for a lot more that starting jobs. As an example - hive
> uses it to start all it's services (HiveServer2, the hive client, beeline
> etc).
> Using 'yarn jar' for to start these services / tools doesn't make a lot of
> sense - there's no relation to yarn other than requiring the classpath to
> include yarn libraries.
> I'd propose reverting the changes where this message is printed if YARN
> variables are set (leave it in the help message), or adding a mechanism which
> would allow users to suppress this WARNING.
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