Could not find artifact org.apache.maven.plugins:maven-source-plugin:pom:XXX

遇见这个问题好好看一看 mavent的setting.xml文件是不是少了东西，比如:镜像文件

<mirrors> 

     <mirror> 

         <id>xxx</id> 
        <name>xxx</name> 
        <url>xxx</url> 
        <mirrorOf>central</mirrorOf> 
     </mirror> 
</mirrors>