[错误]无法解析插件org . Apache . maven . plugins:maven-surefire-Plugin:2 . 21 . 0或其依赖项之一:无法读取组织的工件描述符拒绝连接(连接

问题
[ERROR] Plugin org.apache.maven.plugins:maven-surefire-plugin:2.21.0 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.maven.plugins:maven-surefire-plugin:jar:2.21.0: Could not transfer artifact org.apache.maven.surefire:surefire:pom:2.21.0 from/to central (https://repo.maven.apache.org/maven2): Connection to https://repo.maven.apache.org refused: 拒绝连接 (Connection refused) -> [Help 1]
答案
重复执行：mvn clean package -Dmaven.skip.test
原因：连不上网