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https://issues.apache.org/jira/browse/ZOOKEEPER-3156?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated ZOOKEEPER-3156:
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Labels: pull-request-available (was: )
> ZOOKEEPER-2184 causes kerberos principal to not have resolved host name
> -----------------------------------------------------------------------
>
> Key: ZOOKEEPER-3156
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3156
> Project: ZooKeeper
> Issue Type: Bug
> Components: java client
> Affects Versions: 3.6.0, 3.4.13, 3.5.5
> Reporter: Robert Joseph Evans
> Assignee: Robert Joseph Evans
> Priority: Blocker
> Labels: pull-request-available
>
> Prior to ZOOKEEPER-2184 the zookeeper client would canonicalize a configured
> host name before creating the SASL client which is used to create the
> principal name. After ZOOKEEPER-2184 that canonicalization does not happen
> so the principal that the ZK client tries to use when it is configured to
> talk to a CName is different between 3.4.13 and all previous versions of ZK.
>
> For example
>
> zk1.mycluster.mycompany.com maps to real-node.mycompany.com.
>
> 3.4.13 will want the server to have
> [zookeeper/[email protected]|mailto:zookeeper/[email protected]]
> 3.4.12 wants the server to have
> [zookeeper/[email protected]|mailto:zookeeper/[email protected]]
>
> This makes 3.4.13 incompatible with many ZK setups currently in existence.
> It would be nice to have that resolution be optional because in some cases it
> might be nice to have a single principal tied to the cname.
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