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  1. ZooKeeper
  2. ZOOKEEPER-3720

Rolling upgrade failure due to invalid protocol version

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    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 3.6.0, 3.7.0
    • Fix Version/s: 3.6.0
    • Component/s: None

      Description

      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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              • Assignee:
                symat Mate Szalay-Beko
                Reporter:
                symat Mate Szalay-Beko
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