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https://issues.apache.org/jira/browse/HADOOP-9957?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13765974#comment-13765974
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Kai Zheng commented on HADOOP-9957:
-----------------------------------
Checking TGT looks like to be intended, did you check that? Are you working on
a bug or just want to cleanup this? If the later, HADOOP-9797 probably did that.
> UserGroupInformation.checkTGTAndReloginFromKeytab() do the same thing as
> method reloginFromKeytab()
> ---------------------------------------------------------------------------------------------------
>
> Key: HADOOP-9957
> URL: https://issues.apache.org/jira/browse/HADOOP-9957
> Project: Hadoop Common
> Issue Type: Wish
> Components: security
> Reporter: Aimee Cheng
>
> The methods checkTGTAndReloginFromKeytab() and reloginFromKeytab() in
> UserGroupInformation actually are do the same things. Now reloginFromKeytab()
> will check the TGT expire time, if fresh, then will not relogin, just as what
> checkTGTAndReloginFromKeytab() does. I suggest maybe we can still let
> reloginFromKeytab() not check the TGT and provide a way to let develop can
> control when to relogin. While maybe we can just remove the
> checkTGTAndReloginFromKeytab() method.
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