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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-13590) Retry until TGT expires even if the UGI renewal thread encountered exception
Date Wed, 09 Nov 2016 17:20:58 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13590?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15651500#comment-15651500
] 

Hudson commented on HADOOP-13590:
---------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #10801 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/10801/])
HADOOP-13590. Retry until TGT expires even if the UGI renewal thread (xiao: rev 367c3d41217728c2e61252c5a5235e5bc1f9822f)
* (add) hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/TestUGIWithMiniKdc.java
* (edit) hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/TestUserGroupInformation.java
* (edit) hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java


> Retry until TGT expires even if the UGI renewal thread encountered exception
> ----------------------------------------------------------------------------
>
>                 Key: HADOOP-13590
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13590
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: security
>    Affects Versions: 2.8.0, 2.7.3, 2.6.4
>            Reporter: Xiao Chen
>            Assignee: Xiao Chen
>             Fix For: 2.8.0, 3.0.0-alpha2
>
>         Attachments: HADOOP-13590.01.patch, HADOOP-13590.02.patch, HADOOP-13590.03.patch,
HADOOP-13590.04.patch, HADOOP-13590.05.patch, HADOOP-13590.06.patch, HADOOP-13590.07.patch,
HADOOP-13590.08.patch, HADOOP-13590.09.patch, HADOOP-13590.10.patch, HADOOP-13590.branch-2.01.patch
>
>
> The UGI has a background thread to renew the tgt. On exception, it [terminates itself|https://github.com/apache/hadoop/blob/bee9f57f5ca9f037ade932c6fd01b0dad47a1296/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java#L1013-L1014]
> If something temporarily goes wrong that results in an IOE, even if it recovered no renewal
will be done and client will eventually fail to authenticate. We should retry with our best
effort, until tgt expires, in the hope that the error recovers before that.



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