maven 镜像地址

<mirrors>
<mirror>
      <id>repo2</id>
      <mirrorOf>central</mirrorOf>
      <name>Human Readable Name for this Mirror.</name>
      <url>http://repo2.maven.org/maven2/</url>
    </mirror>
<mirror>
      <id>net-cn</id>
      <mirrorOf>central</mirrorOf>
      <name>Human Readable Name for this Mirror.</name>
      <url>http://maven.net.cn/content/groups/public/</url>	
    </mirror>
<mirror>
      <id>ui</id>
      <mirrorOf>central</mirrorOf>
      <name>Human Readable Name for this Mirror.</name>
     <url>http://uk.maven.org/maven2/</url>
    </mirror>
<mirror>
      <id>ibiblio</id>
      <mirrorOf>central</mirrorOf>
      <name>Human Readable Name for this Mirror.</name>
     <url>http://mirrors.ibiblio.org/pub/mirrors/maven2/</url>
    </mirror>
<mirror>
      <id>jboss-public-repository-group</id>
      <mirrorOf>central</mirrorOf>
      <name>JBoss Public Repository Group</name>
     <url>http://repository.jboss.org/nexus/content/groups/public</url>
    </mirror>