Jason Gustafson created KAFKA-7764:
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Summary: Authentication exceptions during consumer metadata
updates may not get propagated
Key: KAFKA-7764
URL: https://issues.apache.org/jira/browse/KAFKA-7764
Project: Kafka
Issue Type: Bug
Reporter: Jason Gustafson
The consumer should propagate authentication errors to the user. We handle the
common case in ConsumerNetworkClient when the exception occurs in response to
an explicitly provided request. However, we are missing the logic to propagate
exceptions during metadata updates, which are handled internally by
NetworkClient. This logic exists in ConsumerNetworkClient.awaitMetadataUpdate,
but metadata updates can occur outside of this path. Probably we just need to
move that logic into ConsumerNetworkClient.poll() so that errors are always
checked.
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