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https://issues.apache.org/jira/browse/HIVE-13888?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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shanyu zhao reassigned HIVE-13888:
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Assignee: shanyu zhao
> Hive shims impersonate the same user if HADOOP_USER_NAME is the current user
> ----------------------------------------------------------------------------
>
> Key: HIVE-13888
> URL: https://issues.apache.org/jira/browse/HIVE-13888
> Project: Hive
> Issue Type: Bug
> Affects Versions: 1.2.1
> Reporter: shanyu zhao
> Assignee: shanyu zhao
> Attachments: HIVE-13888.patch
>
>
> Hive shims provides a getUGI() method, which creates proxy user for
> impersonation if HADOOP_USER_NAME is present in environment. If
> HADOOP_USER_NAME equals to current login user, it is not necessary to create
> a proxy user.
> It is troublesome in a Hadoop cluster where impersonation is not allowed, and
> one tries to run hive code in a container where HADOOP_USER_NAME is set. RM
> will throw Exception: User XXX is not allowed to impersonate XXX.
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