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Posted to jira@kafka.apache.org by "Lucas Bradstreet (Jira)" <ji...@apache.org> on 2020/12/10 22:12:00 UTC

[jira] [Created] (KAFKA-10839) Improve consumer group coordinator unavailable message

Lucas Bradstreet created KAFKA-10839:
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             Summary: Improve consumer group coordinator unavailable message
                 Key: KAFKA-10839
                 URL: https://issues.apache.org/jira/browse/KAFKA-10839
             Project: Kafka
          Issue Type: Improvement
            Reporter: Lucas Bradstreet


When a consumer encounters an issue that triggers marking a coordinator as unknown, the error message it prints does not give context about the error that triggered it.
{noformat}
log.info("Group coordinator {} is unavailable or invalid, will attempt rediscovery", this.coordinator);{noformat}
These may be triggered by response errors or the coordinator becoming disconnected. We should improve this error message to make the cause clear.



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