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https://issues.apache.org/jira/browse/HDFS-4780?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kihwal Lee updated HDFS-4780:
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Fix Version/s: 2.0.5-beta
3.0.0
Hadoop Flags: Reviewed
I've committed this to trunk and branch-2.
> Use the correct relogin method for services
> -------------------------------------------
>
> Key: HDFS-4780
> URL: https://issues.apache.org/jira/browse/HDFS-4780
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 3.0.0, 2.0.5-beta, 0.23.8
> Reporter: Kihwal Lee
> Assignee: Robert Parker
> Priority: Minor
> Fix For: 3.0.0, 2.0.5-beta
>
> Attachments: HDFS-4780-branch0.23v1.patch, HDFS-4780v1.patch
>
>
> A number of components call reloginFromKeytab() before making requests. For
> StandbyCheckpointer and SecondaryNameNode, where this can be called
> frequently, it generates many WARN messages like this:
> WARN security.UserGroupInformation: Not attempting to re-login since the last
> re-login was attempted less than 600 seconds before.
> Other than these messages, it doesn't do anything wrong. But it will be nice
> if it is changed to call checkTGTAndReloginFromKeytab() to avoid the
> potentially misleading WARN messages.
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