[jira] [Updated] (KAFKA-14764) Metadata API ignores topic names if at least one topic ID is provided

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

     [ https://issues.apache.org/jira/browse/KAFKA-14764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

David Jacot updated KAFKA-14764:
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    Summary: Metadata API ignores topic names if at least one topic ID is provided  (was: Metadata API ignores topic names if at least one topic is provided with an id)

> Metadata API ignores topic names if at least one topic ID is provided
> ---------------------------------------------------------------------
>
>                 Key: KAFKA-14764
>                 URL: https://issues.apache.org/jira/browse/KAFKA-14764
>             Project: Kafka
>          Issue Type: Bug
>            Reporter: David Jacot
>            Priority: Major
>
> 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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