[jira] [Created] (KAFKA-14764) Metadata API ignores topic names if at least one topic is provided with an id

["David Jacot (Jira)" <ji...@apache.org>]

David Jacot created KAFKA-14764:
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             Summary: Metadata API ignores topic names if at least one topic is provided with an id
                 Key: KAFKA-14764
                 URL: https://issues.apache.org/jira/browse/KAFKA-14764
             Project: Kafka
          Issue Type: Bug
            Reporter: David Jacot


The Metadata API accepts both topic names and topic ids in the request. This suggests that a single request could mix them in. At least, we have no logic on the server side to prevent this. The issue is that the server just ignores any topic specified with a name if there is at least one topic specified with an id in the request. In other words, if a request contains topic-id-1, topic-id-2, topic-name-1 and topic-name-2, the response will only have metadata for topic-id-1 and topic-id-2.

This does not hurt us today because the clients does not use topic ids in the request at all.



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