maven私有库神坑之:“Downloading: http://repo.maven.apache.org/maven2/”

现象:

即使你配置了私有库,并且在maven setting.xml中配置了mirror,但是,经常会遇到执行mvn命令的时候,会提醒:
Downloading: http://repo.maven.apache.org/maven2/

原因:

所有自定义pom.xml都是继承自super pom:
http://maven.apache.org/ref/3.0.4/maven-model-builder/super-pom.html
super pom中有如下内容:

 
    
      central
      Central Repository
      http://repo.maven.apache.org/maven2
      default
      
        false
      
    
  

  
    
      central
      Central Repository
      http://repo.maven.apache.org/maven2
      default
      
        false
      
      
        never
      
    
  

因此,当maven项目需要下载一些metadata、pom、jar的时候,会优先去中央仓库下载,导致内网用户各种报错!

解决办法:

在项目pom.xml中添加如下配置:

    
        central
        http://host:port/content/groups/public
    



    
        central
        http://host:port/content/groups/public
    

参考:https://blog.sonatype.com/using-nexus-3-as-your-repository-part-1-maven-artifacts

https://stackoverflow.com/questions/12789488/how-do-you-stop-maven-from-trying-to-access-http-repo-maven-apache-org

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