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https://issues.apache.org/jira/browse/FLINK-22809?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tzu-Li (Gordon) Tai closed FLINK-22809.
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Resolution: Duplicate
> Improve the exception message when a KafkaIngress receives a NULL key.
> ----------------------------------------------------------------------
>
> Key: FLINK-22809
> URL: https://issues.apache.org/jira/browse/FLINK-22809
> Project: Flink
> Issue Type: Improvement
> Components: Stateful Functions
> Reporter: Igal Shilman
> Priority: Major
> Fix For: statefun-3.1.0
>
>
> Mailing list discussion:
> http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Statefun-2-2-2-Checkpoint-restore-NPE-td44022.html
> The following line throws a generic NPE, instead it should a bit more
> descriptive.
> https://github.com/apache/flink-statefun/blob/release-2.2/statefun-flink/statefun-flink-io-bundle/src/main/java/org/apache/flink/statefun/flink/io/kafka/RoutableProtobufKafkaIngressDeserializer.java#L48
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