maven項目報錯處理

處理辦法：
1.設置setting.xml文件，主要設置鏡像。

nexus-public-snapshots
public-snapshots
http://mirror-web/nexus/content/groups/public-snapshot/

<mirror>     
        <id>peixun_public</id>
        <mirrorOf>Peixun Public Repository</mirrorOf>
        <url>http://mirrow-web/nexus/content/groups/public/</url>
    </mirror>
<mirror>
  <!--This sends everything else to /public -->
  <id>nexus</id>
  <mirrorOf>*</mirrorOf>
  <url>http://mirrow-web/nexus/content/groups/public</url>
</mirror>