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https://issues.apache.org/jira/browse/FLINK-32658?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rui Fan updated FLINK-32658:
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    Attachment: screenshot-1.png

> State should not be silently removed when ignore-unclaimed-state is false
> -------------------------------------------------------------------------
>
>                 Key: FLINK-32658
>                 URL: https://issues.apache.org/jira/browse/FLINK-32658
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Checkpointing
>    Affects Versions: 1.18.0, 1.17.1
>            Reporter: Rui Fan
>            Assignee: Rui Fan
>            Priority: Major
>         Attachments: screenshot-1.png
>
>
> When ignore-unclaimed-state is false and the old state is removed, flink 
> should throw exception.
> It's similar with removing an stateful operator.
> This case occurs not only when the user removes state, but also when the 
> operator is replaced. 
> For example: upgrade FlinkKafkaConsumer to KafkaSource. All logical are not 
> changed, so the operator id isn't changed. The KafkaSource cannot resume from 
> the state of FlinkKafkaConsumer. However, flink job can start, and the state 
> is silently discarded.



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