我linux不会翻墙啊。。。。
[error] Server access Error: 连接超时 url=http://maven.twttr.com/org/mortbay/jetty/jetty-parent/10/jetty-parent-10.jar
[info] Resolving org.apache.hadoop#hadoop-project;2.2.0 ...
[error] Server access Error: 连接超时 url=http://maven.twttr.com/org/apache/hadoop/hadoop-mapreduce-client/2.2.0/hadoop-mapreduce-client-2.2.0.jar
[info] Resolving org.apache.hadoop#hadoop-project;2.2.0 ...
[error] Server access Error: 连接超时 url=http://maven.twttr.com/org/apache/hadoop/hadoop-yarn/2.2.0/hadoop-yarn-2.2.0.jar
[info] Resolving org.sonatype.forge#forge-parent;6 ...
[error] Server access Error: 连接超时 url=http://maven.twttr.com/org/sonatype/forge/forge-parent/6/forge-parent-6.jar
使用oschina提供的国内镜像。具体可参考官方指导：
http://maven.oschina.net/help.html
有些包在twitter服务器上吧，这个没办法，你网络出不去，安装不了对应包。