4.0.0 org.springframework.boot spring-boot-starter-parent 3.3.0 com.example messaging-stomp-websocket-initial 0.0.1-SNAPSHOT messaging-stomp-websocket-initial Demo project for Spring Boot 17 org.springframework.boot spring-boot-starter-websocket org.springframework.boot spring-boot-starter-test test org.springframework.boot spring-boot-maven-plugin