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Posted to jira@kafka.apache.org by "Kirk True (Jira)" <ji...@apache.org> on 2025/04/26 01:31:00 UTC

[jira] [Updated] (KAFKA-19206) ConsumerNetworkThread.cleanup() throws NullPointerException if initializeResources() failed

     [ https://issues.apache.org/jira/browse/KAFKA-19206?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kirk True updated KAFKA-19206:
------------------------------
    Summary: ConsumerNetworkThread.cleanup() throws NullPointerException if initializeResources() failed  (was: AsyncKafkaConsumer hangs when NetworkClient fails authentication)

> ConsumerNetworkThread.cleanup() throws NullPointerException if initializeResources() failed
> -------------------------------------------------------------------------------------------
>
>                 Key: KAFKA-19206
>                 URL: https://issues.apache.org/jira/browse/KAFKA-19206
>             Project: Kafka
>          Issue Type: Bug
>          Components: clients, consumer
>    Affects Versions: 4.0.0
>            Reporter: Kirk True
>            Assignee: Kirk True
>            Priority: Major
>              Labels: kip-848-client-support
>             Fix For: 4.1.0
>
>
> The ConsumerNetworkThread creates a new NetworkClient, which connects to and  authenticates against a broker. If the authentication fails, the NetworkClient throws an error, causing the AsyncKafkaConsumer to close. During the consumer close process the ConsumerNetworkThread is closed, but it throws a NullPointerException when it attempts to use the requestManagers and/or networkClientDelegate objects.



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