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From Borja Bravo Alférez (JIRA) <j...@apache.org>
Subject [jira] [Commented] (CURATOR-444) LeaderLatch sends events that leads to simultaneously leadership after blocking zookeeper peer communication
Date Tue, 28 Nov 2017 10:29:00 GMT

    [ https://issues.apache.org/jira/browse/CURATOR-444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16268521#comment-16268521
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Borja Bravo Alférez commented on CURATOR-444:
---------------------------------------------

Added a pull request. Still need to find a way to test it. But any feedback is will be welcome:

https://github.com/apache/curator/pull/243


> LeaderLatch sends events that leads to simultaneously leadership after blocking zookeeper
peer communication
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: CURATOR-444
>                 URL: https://issues.apache.org/jira/browse/CURATOR-444
>             Project: Apache Curator
>          Issue Type: Bug
>          Components: Recipes
>    Affects Versions: 2.12.0, 4.0.0
>         Environment: Linux
>            Reporter: Borja Bravo Alférez
>            Priority: Critical
>         Attachments: blockZookeeperPort.sh
>
>
> How to reproduce de error:
> - 3 Zookeeper nodes. 
> - Using LeaderLatch recipe with a listener. 
> - We block the zookeeper network with the attached script. It blocks communication between
zookeepers. Note that comunication is lost only for 10 seconds that is exactly our default
session timeout. 
> Our curator configuration: 
> - Base sleep 100ms
> - Max sleep 5000ms
> - Default connection timeout 15000ms
> - Default Session timeout  10000ms
> I am working with a pull request. Fix seems trivial but creating the test not so much.




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