Possibly update Kafka-related doc about enable.idempotence default change by Kafka

[tjquinno]

Environment Details

• Helidon Version: 2.x, 3.x, 4.x
• Helidon SE or Helidon MP
• JDK version:
• OS:
• Docker version (if applicable):

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Problem Description

Kafka has changed the default value of enable.idempotence from false to true between (seemingly) releases 3.0 and 3.0.1. This can cause the Kafka error

org.apache.kafka.common.errors.UnsupportedVersionException: The broker does not support INIT_PRODUCER_ID

Explicitly setting enable.idempotence to false avoids this problem.

We might consider updating our messaging doc to alert users to this.

But, that can lead to another related error:

INFO  o.a.k.c.c.i.ConsumerCoordinator - [Consumer clientId=consumer-workspace-manager-async-publish-1, groupId=workspace-manager-async-publish] Request joining group due to: rebalance failed due to 'The session timeout is not within the range allowed by the broker (as configured by group.min.session.timeout.ms and group.max.session.timeout.ms).' (InvalidSessionTimeoutException)

Because the default timeout value has also changed, apparently from 10000 to 45000.

Explicitly configuring the value to 10000 works around this second issue.

The enable.idempotence issue was reported on our internal Slack channel and as well by other platforms: https://github.com/spring-projects/spring-boot/wiki/Spring-Boot-2.6-Release-Notes#kafka-30

[danielkec]

#6718