4.0.0 org.springframework.boot spring-boot-starter-parent 3.5.7 com virtual-threads-kafka 0.0.1-SNAPSHOT virtual-threads-kafka Reactive kafka backpressure test 21 org.springframework.boot spring-boot-starter-web org.springframework.kafka spring-kafka org.projectlombok lombok true org.springframework.boot spring-boot-starter-test test org.springframework.kafka spring-kafka-test test org.springdoc springdoc-openapi-starter-webmvc-ui 2.6.0 org.apache.maven.plugins maven-compiler-plugin org.projectlombok lombok 21 21 --enable-preview org.springframework.boot spring-boot-maven-plugin org.projectlombok lombok