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https://issues.apache.org/jira/browse/HIVE-6636?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13932191#comment-13932191
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Gunther Hagleitner commented on HIVE-6636:
------------------------------------------

Passing the default means that if the conf doesn't have it return null. But you 
set it explicitely in HiveConf. So that will never trigger. At least that's my 
understanding.

> /user/hive is a bad default for HDFS jars path for Tez
> ------------------------------------------------------
>
>                 Key: HIVE-6636
>                 URL: https://issues.apache.org/jira/browse/HIVE-6636
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>             Fix For: 0.13.0
>
>         Attachments: HIVE-6636.01.patch, HIVE-6636.patch
>
>
> If user runs hive under the user name that is not "hive", jobs will fail 
> until everyone is granted write access to /user/hive, which is not nice.



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