Errors running builder ‘Maven Project Builder‘+各种报找不到jar包，maven一直报building错误，挂载到tomcat无法启动

<mirrors>
    <mirror>
      <id>alimaven</id>
      <name>aliyun maven</name>
      <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
      <mirrorOf>central</mirrorOf>        
    </mirror>
  </mirrors>