Dongnuo Lyu created KAFKA-16178:
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Summary: AsyncKafkaConsumer doesn't retry joining the group after
rediscovering group coordinator
Key: KAFKA-16178
URL: https://issues.apache.org/jira/browse/KAFKA-16178
Project: Kafka
Issue Type: Bug
Components: clients, consumer
Reporter: Dongnuo Lyu
Attachments: pkc-devc63jwnj_jan19_0_debug
Some of the consumers don't consume any message. The logs show that after the
consumer starts up and successfully logs in,
# The consumer discovers the group coordinator.
# The heartbeat to join group fails because "This is not the correct
coordinator"
# The consumer rediscover the group coordinator.
Another heartbeat should follow the rediscovery of the group coordinator but
there's no logs showing sign of a heartbeat request.
On the server side, there is completely no log about the group id. A suspicion
is that the consumer doesn't send a heartbeat request after rediscover the
group coordinator.
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