[jira] [Created] (KAFKA-16178) AsyncKafkaConsumer doesn't retry joining the group after rediscovering group coordinator

["Dongnuo Lyu (Jira)" <ji...@apache.org>]

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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