4.0.0 org.springframework.boot spring-boot-starter-parent 2.7.10 com.lovecoding websocket 0.0.1-SNAPSHOT websocket websocket 8 org.springframework.boot spring-boot-starter-web com.alibaba fastjson 2.0.23 org.springframework.boot spring-boot-starter-thymeleaf org.springframework.boot spring-boot-starter-websocket org.springframework.boot spring-boot-starter-test test org.springframework.boot spring-boot-maven-plugin