Jason Gustafson created KAFKA-6796:
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Summary: Surprising UNKNOWN_TOPIC error for produce/fetch requests
to non-replicas
Key: KAFKA-6796
URL: https://issues.apache.org/jira/browse/KAFKA-6796
Project: Kafka
Issue Type: Bug
Affects Versions: 1.0.1, 1.1.0
Reporter: Jason Gustafson
Assignee: Jason Gustafson
Currently if the client sends a produce request or a fetch request to a broker
which isn't a replica, we return UNKNOWN_TOPIC_OR_PARTITION. This is a bit
surprising to see when the topic actually exists. It would be better to return
NOT_LEADER to avoid confusion. Clients typically handle both errors by
refreshing metadata and retrying, so changing this should not cause any change
in behavior on the client. This case can be hit following a partition
reassignment after the leader is moved and the local replica is deleted.
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