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Posted to jira@kafka.apache.org by GitBox <gi...@apache.org> on 2021/07/23 09:48:21 UTC

[GitHub] [kafka] rajinisivaram commented on pull request #8979: KAFKA-10223; Use NOT_LEADER_OR_FOLLOWER instead of non-retriable REPLICA_NOT_AVAILABLE for consumers

rajinisivaram commented on pull request #8979:
URL: https://github.com/apache/kafka/pull/8979#issuecomment-885525017


   @Nevon REPLICA_NOT_AVAILABLE was a transient error during reassignments with older clusters as well and should have been marked retriable. But it was not being handled as a retriable error by clients apart from Java consumers which did handle this specially as a retriable error. With the changes in this PR, we don't return REPLICA_NOT_AVAILABLE to clients except in the cases listed in the PR description. This ensures that both Java and existing non-Java consumers without any changes retry transient errors during reassignment (now NOT_LEADER_OR_FOLLOWER).


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