4.0.0 org.springframework.boot spring-boot-starter-parent 2.2.2.RELEASE com.example demo1 0.0.1-SNAPSHOT demo1 Demo project for Spring Boot 1.8 org.springframework.boot spring-boot-starter-web spring-boot-starter-tomcat org.springframework.boot org.springframework.boot spring-boot-starter-undertow org.springframework.boot spring-boot-starter-test test org.junit.vintage junit-vintage-engine aliyun aliyun http://maven.aliyun.com/nexus/content/groups/public org.springframework.boot spring-boot-maven-plugin