maven报错：Return code is: 501 , ReasonPhrase:HTTPS Required

maven项目install时报Return code is: 501 , ReasonPhrase:HTTPS Required错，是因为maven的配置镜像地址没有配置为https，配置的是http，打开maven的settings.xml文件，将镜像地址修改为https，重新install即可

   
      mirrorId
      central
      Human Readable Name
      https://repo1.maven.org/maven2/
   
 

    
        alimaven
        aliyun maven
        https://maven.aliyun.com/nexus/content/groups/public/
        central
    

    
     
        junit 
        junit Address/ 
        https://jcenter.bintray.com/ 
        central