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Posted to jira@kafka.apache.org by "Luke Chen (Jira)" <ji...@apache.org> on 2021/10/27 07:33:00 UTC

[jira] [Created] (KAFKA-13406) Cooperative sticky assignor got stuck due to assignment validation failed

Luke Chen created KAFKA-13406:
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             Summary: Cooperative sticky assignor got stuck due to assignment validation failed
                 Key: KAFKA-13406
                 URL: https://issues.apache.org/jira/browse/KAFKA-13406
             Project: Kafka
          Issue Type: Bug
          Components: clients
    Affects Versions: 3.0.0
            Reporter: Luke Chen
            Assignee: Luke Chen


We'll do validateCooperativeAssignment for cooperative assignor, where we validate if there are previously owned partitions directly transfer to other consumers without "revoke" step. However, the "ownedPartition" in subscription might contain out-of-dated data, which might cause the validation always failure.

We should consider the fix it by deserializing the subscription userData for generation info in validateCooperationAssignment.



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