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Posted to jira@kafka.apache.org by "Aditya Kousik (Jira)" <ji...@apache.org> on 2026/05/15 18:18:00 UTC

[jira] [Assigned] (KAFKA-20575) Add onPartitionsLost support for MockConsumer

     [ https://issues.apache.org/jira/browse/KAFKA-20575?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aditya Kousik reassigned KAFKA-20575:
-------------------------------------

    Assignee: Aditya Kousik

> Add onPartitionsLost support for MockConsumer
> ---------------------------------------------
>
>                 Key: KAFKA-20575
>                 URL: https://issues.apache.org/jira/browse/KAFKA-20575
>             Project: Kafka
>          Issue Type: Improvement
>          Components: clients, consumer
>            Reporter: Aditya Kousik
>            Assignee: Aditya Kousik
>            Priority: Minor
>             Fix For: 4.4.0
>
>
> MockConsumer.rebalance() only supports graceful path with onPartitionsRevoked.
> There is no way to test partitions lost due to session timeout/failed heartbeat etc



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