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https://issues.apache.org/jira/browse/SOLR-12727?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16721655#comment-16721655
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Kevin Risden commented on SOLR-12727:
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[~erickerickson] - Thanks!
> Upgrade ZooKeeper dependency to 3.4.13
> --------------------------------------
>
> Key: SOLR-12727
> URL: https://issues.apache.org/jira/browse/SOLR-12727
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Components: SolrCloud
> Affects Versions: 7.4
> Reporter: Shawn Heisey
> Assignee: Erick Erickson
> Priority: Major
> Fix For: master (8.0), 7.7
>
> Attachments: SOLR-12727.patch, SOLR-12727.patch, SOLR-12727.patch,
> SOLR-12727.patch, SOLR-12727.patch, SOLR-12727.patch
>
>
> Upgrade ZK dependency to 3.4.13. This fixes ZOOKEEPER-2184 which will make
> the ZK client re-resolve the server hostnames when a connection fails. This
> will fix issues where a failed ZK container is replaced with a new one that
> has a different IP address and DNS gets updated with the new address.
> Typically these upgrades do not require code changes, but that should be
> verified.
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