[jira] [Resolved] (KAFKA-16639) AsyncKafkaConsumer#close does not send heartbeat to leave group

["Chia-Ping Tsai (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-16639?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chia-Ping Tsai resolved KAFKA-16639.
------------------------------------
    Resolution: Fixed

> AsyncKafkaConsumer#close does not send heartbeat to leave group
> ---------------------------------------------------------------
>
>                 Key: KAFKA-16639
>                 URL: https://issues.apache.org/jira/browse/KAFKA-16639
>             Project: Kafka
>          Issue Type: Bug
>          Components: clients, consumer
>            Reporter: Chia-Ping Tsai
>            Assignee: TengYao Chi
>            Priority: Critical
>              Labels: kip-848-client-support
>             Fix For: 3.8.0
>
>
> This bug can be reproduced by immediately closing a consumer which is just created.
> The root cause is that we skip the new heartbeat used to leave group when there is a in-flight heartbeat request ([https://github.com/apache/kafka/blob/5de5d967adffd864bad3ec729760a430253abf38/clients/src/main/java/org/apache/kafka/clients/consumer/internals/HeartbeatRequestManager.java#L212).]
> It seems to me the simple solution is that we create a heartbeat request when meeting above situation and then send it by pollOnClose ([https://github.com/apache/kafka/blob/5de5d967adffd864bad3ec729760a430253abf38/clients/src/main/java/org/apache/kafka/clients/consumer/internals/RequestManager.java#L62).]
>  



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