MirrorMaker 2 logs "Could not alter configuration of topic" warning repeatedly in Streams for Apache Kafka

Solution Unverified - Updated -

Issue

The MirrorMaker 2 MirrorSourceConnector repeatedly logs the following warning, approximately every 600 seconds (matching the configured sync.topic.configs.interval.seconds value):

Could not alter configuration of topic <topic-name>

The warning appears across many different mirrored topics, not just one, and is not accompanied by any stack trace or exception.

Environment

  • Red Hat Streams for Apache Kafka 3.1
  • MirrorMaker 2 (MirrorSourceConnector) with sync.topic.configs.enabled (true)

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