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https://issues.apache.org/jira/browse/KAFKA-12224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17268011#comment-17268011
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Ron Dagostino commented on KAFKA-12224:
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My take on the request is as follows. Let me know if it helps.
*First the header is serialized:*
requestApiKey=50 (0, 50)
requestApiVersion=0 (0, 0)
correlationId=1 (for example) (0, 0, 0, 1)
_version=2 and clientId="client-id" (for example) (0, 9, c, l, i, e, n, t, -,
i, d)
_numTaggedFields=0 (and remains so) (0)
*Then the request data is serialized:*
users.size() + 1 = 3 (3)
user[0]='user1' (6, u, s, e, r, 1)
_numTaggedFields=0 for this UserName (0)
user[1]='user1' (6, u, s, e, r, 1)
_numTaggedFields=0 for this UserName (0)
_numTaggedFields=0 (for the Describe) (0)
> Api Request DescribeUserScramCredentials
> -----------------------------------------
>
> Key: KAFKA-12224
> URL: https://issues.apache.org/jira/browse/KAFKA-12224
> Project: Kafka
> Issue Type: Bug
> Components: admin, clients
> Affects Versions: 2.7.0
> Reporter: Ronald Lampard
> Priority: Major
>
> The issue is:
> The broker I run (2.7.0) does not accept a DescribeUserScramCredentials
> request with compact array
> The response I receive always contains all the users (even when requesting
> for a specific one)
> The response I receive has some extra bytes which do not follow the schema
> posted on the Kafka protocol website however it does look like it uses
> compact strings and arrays.
>
> Please read the discussion in the imgur. I can't write it here since I am
> writing it from my phone.
>
> I will throw this here, an issue I have been working on alongside the devs of
> kafkajs. I would love for more insight in this.
> Our entire discussion and my conclusion: https://imgur.com/a/iHaKwH8
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