D:\Maven\apache-maven-3.5.2\repository alimaven aliyun maven http://maven.aliyun.com/nexus/content/groups/public/ central alimaven central aliyun maven http://maven.aliyun.com/nexus/content/repositories/central/ repo2 central Human Readable Name for this Mirror. http://repo2.maven.org/maven2/ maven-default-http-blocker external:http:* Pseudo repository to mirror external repositories initially using HTTP. http://0.0.0.0/