4.0.0 polled-consumer jar polled-consumer Demo project for a polled consumer io.spring.cloud.stream.sample spring-cloud-stream-samples-parent 0.0.1-SNAPSHOT ../.. org.springframework.boot spring-boot-starter-test test org.springframework.cloud spring-cloud-stream-binder-kafka org.springframework.kafka spring-kafka-test org.springframework.boot spring-boot-maven-plugin