[jira] [Resolved] (KAFKA-19444) SASL GSSAPI not working with librdkafka and AK 4.x

["Mickael Maison (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-19444?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mickael Maison resolved KAFKA-19444.
------------------------------------
    Resolution: Fixed

> SASL GSSAPI not working with librdkafka and AK 4.x
> --------------------------------------------------
>
>                 Key: KAFKA-19444
>                 URL: https://issues.apache.org/jira/browse/KAFKA-19444
>             Project: Kafka
>          Issue Type: Bug
>    Affects Versions: 4.0.0
>            Reporter: Emanuele Sabellico
>            Assignee: Ismael Juma
>            Priority: Critical
>             Fix For: 4.0.1, 4.1.0
>
>
> By running librdkafka with AK 4.0 we see that SASL GSSAPI isn't working.
> The feature is missing because librdkafka is incorrectly checking for JoinGroup v0 only and not v0+.
> When testing librdkafka versions with 4.0 we missed this case so JoinGroup v0 and v1 were removed.
> A [fix|https://github.com/confluentinc/librdkafka/pull/5131] is already merged in librdkafka and will be released in v2.11.0.
> Enabling back the deprecated JoinGroup RPC versions will help the users looking to continue using Kerberos authentication without upgrading.



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