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Posted to common-issues@hadoop.apache.org by "Wei-Chiu Chuang (JIRA)" <ji...@apache.org> on 2018/05/21 23:53:00 UTC
[jira] [Commented] (HADOOP-13066)
UserGroupInformation.loginWithKerberos/getLoginUser is not thread-safe
[ https://issues.apache.org/jira/browse/HADOOP-13066?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16483219#comment-16483219 ]
Wei-Chiu Chuang commented on HADOOP-13066:
------------------------------------------
Is it a dup of HADOOP-13433?
> UserGroupInformation.loginWithKerberos/getLoginUser is not thread-safe
> ----------------------------------------------------------------------
>
> Key: HADOOP-13066
> URL: https://issues.apache.org/jira/browse/HADOOP-13066
> Project: Hadoop Common
> Issue Type: Bug
> Components: security
> Reporter: Sergey Shelukhin
> Priority: Major
>
> When calling loginFromKerberos, a static variable is set up with the result. If someone logs in as a different user from a different thread, the call to getLoginUser will not return the correct UGI.
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