mvn install 出错

在百度等发过提问啥的，至今没解决，请各位多多指教，谢谢！

这是我的export：export MAVEN_HOME=/home/hadoop/apache-maven-2.2.1
export PATH=$MAVEN_HOME/bin:$PATH

学校上网得设代理：

<proxies>
   <proxy>
   <username>s09120100006</username>
   <password>54321</password>
   <host>http://210.31.112.7</host>
   <port>8080</port>
   </proxy>
  </proxies>

[hadoop@sc706-26 mahout-0.3]$ mvn -v
Apache Maven 2.2.1 (r801777; 2009-08-07 03:16:01+0800)
Java version: 1.6.0_19
Java home: /usr/java/jdk1.6.0_19/jre
Default locale: zh_CN, platform encoding: UTF-8
OS name: "linux" version: "2.6.32.12-115.fc12.i686.pae" arch: "i386" Family: "unix"
出错：
[hadoop@sc706-26 mahout-0.3]$ mvn install
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] Building Maven Default Project
[INFO]    task-segment: [install]
[INFO] ------------------------------------------------------------------------
Downloading: http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-resources-plugin/2.3/maven-resources-plugin-2.3.pom
[WARNING] Unable to get resource 'org.apache.maven.plugins:maven-resources-plugin:pom:2.3' from repository central (http://repo1.maven.org/maven2): Error transferring file: Connection timed out
Downloading: http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-resources-plugin/2.3/maven-resources-plugin-2.3.pom
[WARNING] Unable to get resource 'org.apache.maven.plugins:maven-resources-plugin:pom:2.3' from repository central (http://repo1.maven.org/maven2): Error transferring file: Connection timed out
[INFO] ------------------------------------------------------------------------
[ERROR] BUILD ERROR
[INFO] ------------------------------------------------------------------------
[INFO] Error building POM (may not be this project's POM).

Project ID: org.apache.maven.plugins:maven-resources-plugin

Reason: POM 'org.apache.maven.plugins:maven-resources-plugin' not found in repository: Unable to download the artifact from any repository

  org.apache.maven.plugins:maven-resources-plugin:pom:2.3

from the specified remote repositories:
  central (http://repo1.maven.org/maven2)

for project org.apache.maven.plugins:maven-resources-plugin

[INFO] ------------------------------------------------------------------------
[INFO] For more information, run Maven with the -e switch
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 48 seconds
[INFO] Finished at: Wed Oct 13 19:06:58 CST 2010
[INFO] Final Memory: 1M/15M
[INFO] ------------------------------------------------------------------------