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Posted to issues@zookeeper.apache.org by "Mate Szalay-Beko (Jira)" <ji...@apache.org> on 2020/02/11 10:09:00 UTC

[jira] [Created] (ZOOKEEPER-3720) Rolling upgrade failure due to invalid protocol version

Mate Szalay-Beko created ZOOKEEPER-3720:
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             Summary: Rolling upgrade failure due to invalid protocol version
                 Key: ZOOKEEPER-3720
                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3720
             Project: ZooKeeper
          Issue Type: Improvement
    Affects Versions: 3.6.0, 3.7.0
            Reporter: Mate Szalay-Beko
            Assignee: Mate Szalay-Beko
             Fix For: 3.6.0, 3.7.0, 3.6.1


During the rolling upgrade of a 3.5.6 cluster to 3.6.0, the peers are not able to talk to each other due to different protocol version in the QuorumCnxManager introduced by ZOOKEEPER-3188.

 

We need to fix the rolling upgrade between 3.5.6 and 3.6.0 in a way that the quorum is always up an healthy.



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