ubuntu12.04安装eclipse4.3添加PyDev提示Unable to read repository

环境：ubuntu12.04.2_64bitjdk1.7.0
1. 下载并配置jdk2. 下载

Eclipse Standard 4.3 for Linux 64 bithttp://www.eclipse.org/downloads/download.php?file=/technology/epp/downloads/release/kepler/R/eclipse-standard-kepler-R-linux-gtk-x86_64.tar.gz
3. 下载后解压
tar -zxvf eclipse-standard-kepler-R-linux-gtk-x86_64.tar.gzcd eclipse./eclipse即可运行elipse4. 安装python3sudo apt-get install python3 -y
5. 安装PyDev，这里有官方的教程，很简单http://pydev.org/manual_101_install.html
安装步骤到这的时候


提示Unable to read repository at http://pydev.org/updates/content.xml. Unable to read repository at http://pydev.org/updates/content.xml. Host name may not be null网上查了一下，发现是伟大的墙在捣乱！看了下这个http://stackoverflow.com/questions/5714994/unable-to-load-the-repositorypydev-for-eclipse，发现matze999提到一个解决办法，就是让eclipse走代理，具体方法如下：http://www.mkyong.com/web-development/how-to-configure-proxy-settings-in-eclipse/

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