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From "Siddharth Seth (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-13335) Add an option to suppress the 'use yarn jar' warning or remove it
Date Thu, 30 Jun 2016 22:29:10 GMT
Siddharth Seth created HADOOP-13335:
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             Summary: 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


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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