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https://issues.apache.org/jira/browse/KAFKA-14388?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bill Bejeck resolved KAFKA-14388.
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Resolution: Fixed
Merged PR to trunk
> NPE When Retrieving StateStore with new Processor API
> -----------------------------------------------------
>
> Key: KAFKA-14388
> URL: https://issues.apache.org/jira/browse/KAFKA-14388
> Project: Kafka
> Issue Type: Bug
> Affects Versions: 3.3.0, 3.3.1
> Reporter: Bill Bejeck
> Assignee: Bill Bejeck
> Priority: Major
> Fix For: 3.4.0, 3.3.2
>
>
> Using the new Processor API introduced with KIP-820 when adding a state store
> to the Processor when executing `context().getStore("store-name")` always
> returns `null` as the store is not in the `stores` `HashMap` in the
> `ProcessorStateManager`. This occurs even when using the
> `ConnectedStoreProvider.stores()` method
> I've confirmed the store is associated with the processor by viewing the
> `Topology` description.
> From some initial triage, it looks like the store is never registered.
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