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Posted to jira@kafka.apache.org by "Gaurav Narula (Jira)" <ji...@apache.org> on 2025/12/12 13:41:00 UTC

[jira] [Updated] (KAFKA-19990) NPE on handling an AllocateProducerIdsResponse

     [ https://issues.apache.org/jira/browse/KAFKA-19990?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gaurav Narula updated KAFKA-19990:
----------------------------------
    Description: 
{{RPCProducerIdManager}} attempts to invoke {{handleAllocateProducerIdsResponse}} without checks for {{authenticationException}} and {{versionMismatch}} which can cause NPE at {{response.data()}} since {{response}} might be {{null}}.

Update: The NPE is only in the Scala implmentation of {{RPCProducerIdManager}}. Trunk is not impacted by the NPE but the broker will not retry the request on auth failure.

  was:{{RPCProducerIdManager}} attempts to invoke {{handleAllocateProducerIdsResponse}} without checks for {{authenticationException}} and {{versionMismatch}} which can cause NPE at {{response.data()}} since {{response}} might be {{null}}.


> NPE on handling an AllocateProducerIdsResponse 
> -----------------------------------------------
>
>                 Key: KAFKA-19990
>                 URL: https://issues.apache.org/jira/browse/KAFKA-19990
>             Project: Kafka
>          Issue Type: Bug
>    Affects Versions: 3.9.1, 4.1.1
>            Reporter: Gaurav Narula
>            Assignee: Gaurav Narula
>            Priority: Major
>
> {{RPCProducerIdManager}} attempts to invoke {{handleAllocateProducerIdsResponse}} without checks for {{authenticationException}} and {{versionMismatch}} which can cause NPE at {{response.data()}} since {{response}} might be {{null}}.
> Update: The NPE is only in the Scala implmentation of {{RPCProducerIdManager}}. Trunk is not impacted by the NPE but the broker will not retry the request on auth failure.



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