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From "Hongyuan Li (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (HADOOP-14299) Hadoop Renew Thread for proxy users
Date Wed, 14 Jun 2017 02:08:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14299?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16048607#comment-16048607
] 

Hongyuan Li edited comment on HADOOP-14299 at 6/14/17 2:07 AM:
---------------------------------------------------------------

use {{UserGroupInformation#loginUserFromKeytabAndReturnUGI}} got a {{UserGroupInformation}}
object, use this object to do actions like {{UserGroupInformation.doAs()}},


was (Author: hongyuan li):
use UserGroupInformation#loginUserFromKeytabAndReturnUGI got a Subject object, use this object
to do actions,

> Hadoop Renew Thread for proxy users
> -----------------------------------
>
>                 Key: HADOOP-14299
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14299
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: hdfs-client
>    Affects Versions: 2.7.1
>            Reporter: Prabhu Joseph
>
> Currently Hadoop Client has a separate renew thread which is created only for Authentication
type Kerberos and not for Proxy. So for proxy users, a yarn client monitoring a long running
job will fail after initial ticket lifetime with GSS initiate failed unless there is a manual
re-kinit. 
> https://github.com/apache/hadoop/blob/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java#L1030



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