Maven的配置问题：报错
eclipse打开pom.xml，overview上面报错：
Failure to transfer org.codehaus.plexus:plexus-interpolation:pom:1.13 from http://repo.maven.apache.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced. Original error: Could not transfer artifact org.codehaus.plexus:plexus-interpolation:pom:1.13 from/to central (http://repo.maven.apache.org/maven2): The operation was cancelled.
Eclipse版本：
Eclipse Java EE IDE for Web Developers.
Version: Kepler Service Release 1
Build id: 20130919-0819
Maven版本：
Apache Maven 3.1.1 (0728685237757ffbf44136acec0402957f723d9a; 2013-09-17 23:22:22+0800)
Maven home: /usr/local/Cellar/maven/3.1.1/libexec
Java version: 1.7.0_51, vendor: Oracle Corporation
Java home: /Library/Java/JavaVirtualMachines/jdk1.7.0_51.jdk/Contents/Home/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "mac os x", version: "10.9.2", arch: "x86_64", family: "mac"
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