Missing required configuration "key.serializer" which has no default value - spring kafka 설정시 에러
스프링 부트 기반으로 카프카 설정시 제목처럼 에러가 발생했다. https://docs.spring.io/spring-kafka/reference/html/#producer-factory Spring for Apache Kafka When you use spring-kafka-test (version 2.4.x) with Spring Boot, you need to override certain Boot managed dependencies, as follows: org.springframework.kafka spring-kafka 2.4.5.RELEASE org.springframework.kafka spring-kafka-test 2.4.5.RELEASE test org.apa docs.spring.i..
