Mickael Maison created KAFKA-10802:
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Summary: Spurious log message when starting consumers
Key: KAFKA-10802
URL: https://issues.apache.org/jira/browse/KAFKA-10802
Project: Kafka
Issue Type: Improvement
Affects Versions: 2.6.0
Reporter: Mickael Maison
Reported by Gary Russell in the [2.6.1 RC3 vote
thread|https://lists.apache.org/thread.html/r13d2c687b2fafbe9907fceb3d4f3cc6d5b34f9f36a7fcc985c38b506%40%3Cdev.kafka.apache.org%3E]
I am seeing this on every consumer start:
2020-11-25 13:54:34.858 INFO 42250 --- [ntainer#0-0-C-1]
o.a.k.c.c.internals.AbstractCoordinator : [Consumer
clientId=consumer-ktest26int-1, groupId=ktest26int] Rebalance failed.
org.apache.kafka.common.errors.MemberIdRequiredException: The group member
needs to have a valid member id before actually entering a consumer group.
Due to this change [1].
I understand what a MemberIdRequiredException is, but the previous (2.6.0) log
(with exception.getMessage()) didn't stand out like the new one does because it
was all on one line.
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