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Posted to dev@kafka.apache.org by "Jason Gustafson (Jira)" <ji...@apache.org> on 2020/07/06 19:54:00 UTC

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

Jason Gustafson created KAFKA-10239:
---------------------------------------

             Summary: 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
            Reporter: Jason Gustafson
             Fix For: 2.6.0


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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