[jira] [Updated] (HIVE-13532) Mapjoin should set realuser's username

["Zhiwen Sun (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-13532?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zhiwen Sun updated HIVE-13532:
------------------------------
    Summary: Mapjoin should set realuser's username  (was: Mapjoin should set )

> Mapjoin should set realuser's username
> --------------------------------------
>
>                 Key: HIVE-13532
>                 URL: https://issues.apache.org/jira/browse/HIVE-13532
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 1.1.0
>         Environment: HADOOP_PROXY_USER is set.
>            Reporter: Zhiwen Sun
>
> Map join set HADOOP_USER_NAME should be realuser's username.
> Current, hive set HADOOP_USER_NAME env for mapjoin local process according:
> {quote}
>    String endUserName = Utils.getUGI().getShortUserName();
> {quote}
> suppose set HADOOP_PROXY_USER=abc in shell.
> map join local job will have following env:
> {quote}
> HADOOP_USER_NAME=abc
> HADOOP_PROXY_NAME=abc
> {quote}
> this will cause such exception:
> {quote}
> java.io.IOException: org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.security.authorize.AuthorizationException): User: abc is not allowed to impersonate 
> {quote}
> I think we should set HADOOP_USER_NAME to realuser:
> {quote}
>    String endUserName = Utils.getUGI().getRealUser().getShortUserName();
> {quote}



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