4.0.0 org.springframework.boot spring-boot-starter-parent 2.1.8.RELEASE com.sp rong-cloud-starter 4.2.0 rong-cloud-starter Demo project for Spring Boot 1.8 org.springframework.boot spring-boot-autoconfigure 2.1.8.RELEASE org.springframework.boot spring-boot-configuration-processor 2.1.8.RELEASE true cn.rongcloud.im server-sdk-java 3.0.7