Dana Powers created KAFKA-3550:
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Summary: Broker does not honor MetadataRequest api version; always
returns v0 MetadataResponse
Key: KAFKA-3550
URL: https://issues.apache.org/jira/browse/KAFKA-3550
Project: Kafka
Issue Type: Bug
Components: core
Affects Versions: 0.9.0.1, 0.8.2.2, 0.8.1.1, 0.8.0
Reporter: Dana Powers
To reproduce:
Send a MetadataRequest (api key 3) with incorrect api version (e.g., 1234).
The expected behavior is for the broker to reject the request as unrecognized.
Broker (incorrectly) responds with MetadataResponse v0.
The problem here is that any request for a "new" MetadataRequest (i.e., KIP-4)
sent to an old broker will generate an incorrect response.
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