一、Eclipse的安装与设置
1.在Eclipse官网上下载eclipse-jee-oxygen-3a-linux-gtk-x86_64.tar.gz文件并将其拷贝到/home/jun/Resources下，然后再将文件拷贝到/home/jun下并解压。
[jun@master ~]$ cp /home/jun/Resources/eclipse-jee-oxygen-3a-linux-gtk-x86_64.tar.gz /home/jun/ [jun@master ~]$ tar -zxvf /home/jun/eclipse-jee-oxygen-3a-linux-gtk-x86_64.tar.gz
2.执行.eclipse程序即可启动eclipse
[jun@master ~]$ cd eclipse/ [jun@master eclipse]$ ls artifacts.xml configuration dropins eclipse eclipse.ini features icon.xpm p2 plugins readme [jun@master eclipse]$ ./eclipse
3.安装hadoop插件
（1）下载：https://github.com/winghc/hadoop2x-eclipse-plugin/blob/master/release/hadoop-eclipse-plugin-2.6.0.jar
（2）