Kirk True created KAFKA-14848:
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Summary: KafkaConsumer incorrectly passes locally-scoped
serializers to FetchConfig
Key: KAFKA-14848
URL: https://issues.apache.org/jira/browse/KAFKA-14848
Project: Kafka
Issue Type: Bug
Components: clients, consumer
Affects Versions: 3.5.0
Reporter: Kirk True
Assignee: Kirk True
[~rayokota] found some {{{}NullPointerException{}}}s that originate because of
a recently introduced error in the {{KafkaConsumer}} constructor. The code was
changed to pass the serializers variables into the {{FetchConfig}}
constructor. However, this code change incorrectly used the locally-scoped
variables, not the instance-scoped variables. Since the locally-scoped
variables could be {{{}null{}}}, this results in the {{FetchConfig}} storing
{{null}} references, leading to downstream breakage.
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