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https://issues.apache.org/jira/browse/ZOOKEEPER-728?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michi Mutsuzaki updated ZOOKEEPER-728:
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Fix Version/s: (was: 3.5.0)
3.6.0
> make use of "protocolVersion" during session est
> ------------------------------------------------
>
> Key: ZOOKEEPER-728
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-728
> Project: ZooKeeper
> Issue Type: Improvement
> Components: server
> Reporter: Patrick Hunt
> Fix For: 3.6.0
>
>
> The current code does not make use of the "protocolVersion" field of the
> connect request.
> We should increment this when making changes to the client protocol. This
> would allow the server to
> accept/deny connections based on looking at the version supported by both the
> client and server. In some cases
> multiple version combinations might be supported (version 1 or 2 or 3 from a
> client against a "version 3" server,
> while v3 client against v2 server might fail). We should be sure to log this
> to the log4j log during connection (debug).
> This might get complex, but if we don't support some combination(s) we should
> deny the connection and log it
> rather than failing later in some unexpected way.
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