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Posted to common-issues@hadoop.apache.org by "John Zhuge (JIRA)" <ji...@apache.org> on 2016/03/03 04:50:18 UTC
[jira] [Assigned] (HADOOP-12774) s3a should use
UGI.getCurrentUser.getShortname() for username
[ https://issues.apache.org/jira/browse/HADOOP-12774?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
John Zhuge reassigned HADOOP-12774:
-----------------------------------
Assignee: John Zhuge
> s3a should use UGI.getCurrentUser.getShortname() for username
> -------------------------------------------------------------
>
> Key: HADOOP-12774
> URL: https://issues.apache.org/jira/browse/HADOOP-12774
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 2.7.2
> Reporter: Steve Loughran
> Assignee: John Zhuge
>
> S3a users {{System.getProperty("user.name")}} to get the username for the homedir. This is wrong, as it doesn't work on a YARN app where the identity is set by HADOOP_USER_NAME, or in a doAs clause.
> Obviously, {{UGI.getCurrentUser.getShortname()}} provides that name, everywhere.
> This is a simple change in the source, though testing is harder ... probably best to try in a doAs
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