4.0.0 org.springframework.boot spring-boot-samples ${revision} spring-boot-sample-jetty Spring Boot Jetty Sample Spring Boot Jetty Sample ${basedir}/../.. 3.1.0 org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-starter-tomcat org.springframework.boot spring-boot-starter-jetty org.springframework.boot spring-boot-starter-test test org.springframework.boot spring-boot-maven-plugin