win下使用maven+eclipse构建 虚拟机 HAOOP环境 运行控制台报"文件权限"错
 2014-9-30 14:25:02 org.apache.hadoop.util.NativeCodeLoader 
警告: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
2013-9-30 19:25:02 org.apache.hadoop.security.UserGroupInformation doAs
严重: PriviledgedActionException as:Administrator cause:java.io.IOException: Failed to set permissions of path: \tmp\hadoop-Administrator\mapred\staging\Administrator1702422322\.staging to 0700
Exception in thread "main" java.io.IOException: Failed to set permissions of path: \tmp\hadoop-Administrator\mapred\staging\Administrator1702422322\.staging to 0700
	at org.apache.hadoop.fs.FileUtil.checkReturnValue(FileUtil.java:689)
	at org.apache.hadoop.fs.FileUtil.setPermission(FileUtil.java:662)
	at org.apache.hadoop.fs.RawLocalFileSystem.setPermission(RawLocalFileSystem.java:509)
	at org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:344)
	at org.apache.hadoop.fs.FilterFileSystem.mkdirs(FilterFileSystem.java:189)
	at org.apache.hadoop.mapreduce.JobSubmissionFiles.getStagingDir(JobSubmissionFiles.java:116)
	at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:856)
	at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:850)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:396)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1121)
	at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:850)
	at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:824)
	at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1261)
	at org.conan.myhadoop.mr.WordCount.main(WordCount.java:78) 
解决办法 把linux 虚拟机中hadoop目录下的core/org/apache/hadoop/fs/    FileUtil.java 文件copy到maven项目目录下，
目录结构如下： 
修改 FileUtil.java 文件 
 

保存后，再运行，就没有问题了！