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Posted to dev@kafka.apache.org by "Boyang Chen (Jira)" <ji...@apache.org> on 2020/07/07 03:36:00 UTC

[jira] [Resolved] (KAFKA-10239) The groupInstanceId field in DescribeGroup response should be ignorable

     [ https://issues.apache.org/jira/browse/KAFKA-10239?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Boyang Chen resolved KAFKA-10239.
---------------------------------
    Resolution: Fixed

> The groupInstanceId field in DescribeGroup response should be ignorable
> -----------------------------------------------------------------------
>
>                 Key: KAFKA-10239
>                 URL: https://issues.apache.org/jira/browse/KAFKA-10239
>             Project: Kafka
>          Issue Type: Bug
>    Affects Versions: 2.5.0, 2.4.1
>            Reporter: Jason Gustafson
>            Assignee: Boyang Chen
>            Priority: Critical
>             Fix For: 2.6.0, 2.4.2, 2.5.1
>
>
> We noticed the following error in the logs in the handling of a DescribeGroup request:
> ```
> org.apache.kafka.common.errors.UnsupportedVersionException: Attempted to write a non-default groupInstanceId at version 3
> ```
> The problem is that the field is not marked as ignorable. So if the user is relying on static membership and uses an older AdminClient, they will see this error.



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