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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ZOOKEEPER-1910) RemoveWatches wrongly removes the watcher if multiple watches exists on a path
Date Wed, 23 May 2018 04:11:00 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-1910?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16486676#comment-16486676
] 

Hadoop QA commented on ZOOKEEPER-1910:
--------------------------------------

+1 overall.  GitHub Pull Request  Build
      

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

    +1 tests included.  The patch appears to include 3 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 3.0.1) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    +1 core tests.  The patch passed core unit tests.

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-ZOOKEEPER-github-pr-build/1729//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-ZOOKEEPER-github-pr-build/1729//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: https://builds.apache.org/job/PreCommit-ZOOKEEPER-github-pr-build/1729//console

This message is automatically generated.

> RemoveWatches wrongly removes the watcher if multiple watches exists on a path
> ------------------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-1910
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1910
>             Project: ZooKeeper
>          Issue Type: Bug
>          Components: java client, server
>            Reporter: Rakesh R
>            Assignee: Rakesh R
>            Priority: Major
>             Fix For: 3.5.0
>
>         Attachments: ZOOKEEPER-1910.patch, ZOOKEEPER-1910.patch, ZOOKEEPER-1910.patch,
ZOOKEEPER-1910.patch
>
>
> Consider a case where zkclient has added 2 data watchers(say 'w1' and 'w2') on '/node1'.
> Now user has removed w1, but this is deleting the 'CnxnWatcher' in ZK server against
the "/node1" path. This will affect other data watchers(if any) of same client on same path.
In our case 'w2' would not be notified.
> Note: please see the attached test case to understand more.



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