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[Bug]: Migration to KRaft while using a Custom Authorizer #11612

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@dadufour

Description

@dadufour

Bug Description

Hello,

the migration to KRaft is failing when Kafka is configured to use a Custom Authorizer.
Maybe it is just a lack in the documentation however, at some point the legacy Custom Authorizer is still used and when it tries to access Zookeeper, it fails.
So there is a point in the migration where we need to switch from the legacy Custom Authorizer to the KRaft-compatible Custom Authorizer.

We would need to understand how the migration should occur when we are using a Custom Authorizer.

Steps to reproduce

Follow the KRaft migration steps with a Custom Authorizer (that uses Zookeeper). At some point, the brokers will fail.

Expected behavior

Provide a documented way of migrating to KRaft when using a custom authorizer.

Strimzi version

0.45.0

Kubernetes version

Openshift 4.16.42

Installation method

Yaml files

Infrastructure

Azure

Configuration files and logs

strimzi-cluster-operator-app-56b4b8b6c6-xz8gz-strimzi-cluster-operator.log
bkxs30-kafka-0-kafka (1).log
bkxs30.yaml.txt

Additional context

No response

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