KafkaException

Caused by: org.apache. kafka. common.KafkaException:class org.apache.flink.kafka. shaded.org.apache.kafka.common. serialization.ByteArrayDeserializer is not an instance oforg.apache.kafka.common.serialization.Deserializer

天天遇到这个问题

flink-connector-kafka exclusion kafka-clients 

flink-connector-kafka自带kafka-clients 引入 kafka-client需要排除 自带的kafk-client

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