hadoop-core-1.0.4.jar

在windows下，使用hadoop-1.0.4自带的hadoop-core-1.0.4.jar时，会抛出权限异常：cause:java.io.IOException: Failed to set permissions of path: \tmp\hadoop-Administrator\mapred\staging\Administrator-519341271\.staging to 0700 上述jar包，是修改了源码FileUtil.java后，编译得到的hadoop-core-1.0.4.jar在win平台不会出现权限问题