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https://issues.apache.org/jira/browse/HADOOP-11257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14194786#comment-14194786
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Colin Patrick McCabe commented on HADOOP-11257:
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I find "hadoop jar" useful for running standalone tests against Hadoop classes.
For example, you can run
https://github.com/cmccabe/jni_based_unix_groups_mapping_test with {{hadoop
jar}}.
Any time you want to run a standalone program against HDFS, you easily can do
it with {{hadoop jar}}. I agree that we should not be recommending its use for
MR jobs and so forth, but is there really a need to remove it?
> Deprecate 'hadoop jar'
> ----------------------
>
> Key: HADOOP-11257
> URL: https://issues.apache.org/jira/browse/HADOOP-11257
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Allen Wittenauer
>
> Given that 'hadoop jar' and 'yarn jar' work differently, we should mark
> 'hadoop jar' as deprecated in 2.7 and remove it in trunk.
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