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Posted to dev@kafka.apache.org by "Dana Powers (JIRA)" <ji...@apache.org> on 2016/04/12 21:09:25 UTC

[jira] [Created] (KAFKA-3550) Broker does not honor MetadataRequest api version; always returns v0 MetadataResponse

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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