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Posted to dev@kafka.apache.org by "Bill Bejeck (Jira)" <ji...@apache.org> on 2022/11/14 20:19:00 UTC

[jira] [Created] (KAFKA-14388) NPE When Retrieving StateStore with new Processor API

Bill Bejeck created KAFKA-14388:
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             Summary: 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: 3.3.1, 3.3.0
            Reporter: Bill Bejeck
            Assignee: Bill Bejeck
             Fix For: 3.4.0


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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