eclipse运行wordcount

1、进行参数配置

WordCount.java->右键->Run As->Run Configuration

如下报错： 

Exception in thread "main" java.io.IOException: Failed to set permissions of path: \tmp\hadoop-Administrator\mapred\staging\Administrator-519341271\.staging to 0700

到源码中拷贝src/core/org/apache/hadoop/fs/FileUtil.java文件，粘贴到eclipse工程的src目录下

注释

 /*

if (!rv) {

      throw new IOException("Failed to set permissions of path: " + p +

                            " to " +

                            String.format("%04o", permission.toShort()));

    }

*/

  }