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From "Akira Ajisaka (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-8937) TestLeaderElectorService hangs
Date Wed, 24 Oct 2018 01:54:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-8937?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16661588#comment-16661588
] 

Akira Ajisaka commented on YARN-8937:
-------------------------------------

It seems that the issue is CURATOR-409. CURATOR-409 is caused by ZOOKEEPER-2355 and this is
in ZooKeeper 3.4.11.

There are 4 options to fix this problem:
 # Downgrade ZK to 3.4.10 or lower. This option is not recommended because of the ZK vulnerabilities.
 # CURATOR-409 is fixed in 4.0.0. Upgrade Curator to 4.0.0 or upper.
 # Ask Curator project to backport CURATOR-409 to 2.x and wait for the release.
 # Ask ZooKeeper project to fix unintentional override and wait for the next release.

> TestLeaderElectorService hangs
> ------------------------------
>
>                 Key: YARN-8937
>                 URL: https://issues.apache.org/jira/browse/YARN-8937
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 3.3.0
>            Reporter: Jason Lowe
>            Priority: Major
>
> TestLeaderElectorService hangs waiting for the TestingZooKeeperServer to start and eventually
gets killed by the surefire timeout.



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