4.0.0 com.example kafka-sample-01 2.3.1.RELEASE jar kafka-sample-01 Kafka Sample 1 org.springframework.boot spring-boot-starter-parent 2.2.0.RELEASE UTF-8 UTF-8 1.8 org.springframework.kafka spring-kafka org.springframework.boot spring-boot-starter-test test org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-maven-plugin