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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ZOOKEEPER-1350) Please make JMX registration optional in LearnerZooKeeperServer
Date Thu, 10 May 2018 20:44:00 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-1350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16471078#comment-16471078
] 

Hadoop QA commented on ZOOKEEPER-1350:
--------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12650322/ZOOKEEPER-1350-trunk.diff
  against trunk revision 2fa315b7d0ed65828479fcdcc9e76ca8552fba4a.

    +1 @author.  The patch does not contain any @author tags.

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    -1 patch.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-ZOOKEEPER-Build/3679//console

This message is automatically generated.

> Please make JMX registration optional in LearnerZooKeeperServer
> ---------------------------------------------------------------
>
>                 Key: ZOOKEEPER-1350
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1350
>             Project: ZooKeeper
>          Issue Type: Improvement
>          Components: server
>    Affects Versions: 3.4.0
>            Reporter: Jordan Zimmerman
>            Assignee: Jordan Zimmerman
>            Priority: Major
>             Fix For: 3.6.0, 3.5.5
>
>         Attachments: ZOOKEEPER-1350-trunk.diff, ZOOKEEPER-1350.diff, jmx_optional.diff,
patch.txt
>
>
> LearnerZooKeeperServer has no option to disable JMX registrations. Curator has a test
ZK server cluster. Due to the intricacies of JMX, the registrations cannot be easily undone.
In order for the Curator Test cluster to be re-usable in a testing session, JavaAssist ugliness
was necessary to make LearnerZooKeeperServer.registerJMX() and LearnerZooKeeperServer.unregisterJMX()
NOPs. 
> I suggest a simple System property.



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