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https://issues.apache.org/jira/browse/ZOOKEEPER-2184?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16540221#comment-16540221
 ] 

Hadoop QA commented on ZOOKEEPER-2184:
--------------------------------------

-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 appears to introduce 1 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 failed core unit tests.

    -1 contrib tests.  The patch failed contrib unit tests.

Test results: 
https://builds.apache.org/job/PreCommit-ZOOKEEPER-github-pr-build/1924//testReport/
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-ZOOKEEPER-github-pr-build/1924//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: 
https://builds.apache.org/job/PreCommit-ZOOKEEPER-github-pr-build/1924//console

This message is automatically generated.

> Zookeeper Client should re-resolve hosts when connection attempts fail
> ----------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-2184
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2184
>             Project: ZooKeeper
>          Issue Type: Bug
>          Components: java client
>    Affects Versions: 3.4.6, 3.4.7, 3.4.8, 3.4.9, 3.4.10, 3.5.0, 3.5.1, 3.5.2, 
> 3.5.3, 3.4.11
>         Environment: Ubuntu 14.04 host, Docker containers for Zookeeper & 
> Kafka
>            Reporter: Robert P. Thille
>            Assignee: Andor Molnar
>            Priority: Blocker
>              Labels: easyfix, patch, pull-request-available
>             Fix For: 3.4.13
>
>         Attachments: ZOOKEEPER-2184.patch
>
>          Time Spent: 9h 10m
>  Remaining Estimate: 0h
>
> Testing in a Docker environment with a single Kafka instance using a single 
> Zookeeper instance. Restarting the Zookeeper container will cause it to 
> receive a new IP address. Kafka will never be able to reconnect to Zookeeper 
> and will hang indefinitely. Updating DNS or /etc/hosts with the new IP 
> address will not help the client to reconnect as the 
> zookeeper/client/StaticHostProvider resolves the connection string hosts at 
> creation time and never re-resolves.
> A solution would be for the client to notice that connection attempts fail 
> and attempt to re-resolve the hostnames in the connectString.



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