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https://issues.apache.org/jira/browse/KAFKA-14609?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bill Bejeck resolved KAFKA-14609.
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Resolution: Fixed
Fixed by https://issues.apache.org/jira/browse/KAFKA-14388
> Kafka Streams Processor API cannot use state stores
> ---------------------------------------------------
>
> Key: KAFKA-14609
> URL: https://issues.apache.org/jira/browse/KAFKA-14609
> Project: Kafka
> Issue Type: Bug
> Components: streams
> Affects Versions: 3.3.0
> Reporter: Philipp Schirmer
> Priority: Major
>
> The recently introduced Kafka Streams Processor API (since 3.3,
> https://issues.apache.org/jira/browse/KAFKA-13654) likely has a bug with
> regards to using state stores. The
> [getStateStore|https://javadoc.io/static/org.apache.kafka/kafka-streams/3.3.1/org/apache/kafka/streams/processor/api/ProcessingContext.html#getStateStore-java.lang.String-]
> method returns null, even though the store has been registered according to
> the docs. The old transformer API still works. I created a small project that
> demonstrates the behavior. It uses both methods to register a store for the
> transformer, as well as the processor API:
> https://github.com/bakdata/kafka-streams-state-store-demo/blob/main/src/test/java/com/bakdata/kafka/StreamsStateStoreTest.java
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