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ZOOKEEPER-4643, ZOOKEEPER-4646 & ZOOKEEPER-4394: Committed txns lost / NullPointerException in Learner.syncWithLeader() #2152

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ZOOKEEPER-4643, ZOOKEEPER-4646 & ZOOKEEPER-4394: Committed txns lost / NullPointerException in Learner.syncWithLeader() #2152

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Commits on Mar 31, 2024

  1. Fix the following issues in Learner.syncWithLeader(): 

    ZOOKEEPER-4394: NullPointerException when follower receives COMMIT after replying NEWLEADER ack
ZOOKEEPER-4643: Committed txns lost when follower crashes after updating currentEpoch
ZOOKEEPER-4646: Committed txns lost when follower crashes after replying NEWLEADER ack
ZOOKEEPER-4685: Leader shutdown due to follower replies PROPOSAL ack before NEWLEADER ack in Synchronization phase
ZOOKEEPER-3023: Flaky tests: Zab1_0Test#testNormalFollowerRunWithDiff
    @AlphaCanisMajoris
    AlphaCanisMajoris committed Mar 31, 2024
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Commits on Apr 2, 2024

  1. Rename "packetsNotCommitted" to "packetsNotLogged" in Learner.syncWit… 

    …hLeader(..) to make it more understandable
    @AlphaCanisMajoris
    AlphaCanisMajoris committed Apr 2, 2024
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