報錯求解：Failure to find org.springframework.boot:spring-boot-starter-parent:pom:2.0.0.RC2 in http://maven.aliyun.com/nexus/content/groups/public was cached in the local repository, resolution will not be reattempted until the update interval of nexus-aliyun has elapsed or updates are force
Failure to find org.springframework.boot:spring-boot-starter-parent:pom:2.0.0.RC2 in http://maven.aliyun.com/nexus/content/groups/public was cached in the local repository, resolution will not be reattempted until the update interval of nexus-aliyun has elapsed or updates are forced
