RivenSun2 commented on code in PR #12010: URL: https://github.com/apache/kafka/pull/12010#discussion_r854134099
########## clients/src/main/java/org/apache/kafka/clients/producer/ProducerConfig.java: ########## @@ -393,10 +394,14 @@ public class ProducerConfig extends AbstractConfig { MAX_IN_FLIGHT_REQUESTS_PER_CONNECTION_DOC) .define(KEY_SERIALIZER_CLASS_CONFIG, Type.CLASS, + ConfigDef.NO_DEFAULT_VALUE, + new ConfigDef.NonNullValidator(), Review Comment: Thank you for such a careful review. I think this problem can be kept, and I hope that adding the validator this time can solve the expected exception thrown when KafkaProducer/KafkaConsumer is initialized to be `ConfigException` instead of `NullPointerException`. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org