14/09/24 14:55:04 ERROR security.UserGroupInformation: PriviledgedActionException as:user cause:java.io.IOException: Failed to set permissions of path: \tmp\hadoop-user\mapred\staging\user1322875957\.staging to 0700
java.io.IOException: Failed to set permissions of path: \tmp\hadoop-user\mapred\staging\user1322875957\.staging to 0700
at org.apache.hadoop.fs.FileUtil.checkReturnValue(FileUtil.java:691)
at org.apache.hadoop.fs.FileUtil.setPermission(FileUtil.java:664)
at org.apache.hadoop.fs.RawLocalFileSystem.setPermission(RawLocalFileSystem.java:514)
at org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:349)
at org.apache.hadoop.fs.FilterFileSystem.mkdirs(FilterFileSystem.java:193)
at org.apache.hadoop.mapreduce.JobSubmissionFiles.getStagingDir(JobSubmissionFiles.java:126)
at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:942)
at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:936)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Unknown Source)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1190)
at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:936)
at org.apache.hadoop.mapreduce.Job.submit(Job.java:550)
at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:580)
at org.apache.mahout.vectorizer.DocumentProcessor.tokenizeDocuments(DocumentProcessor.java:93)
at com.xxx.mahout.Vectorizer.tokenizeDocument(Vectorizer.java:262)
at com.xxx.mahout.Vectorizer.generateVector(Vectorizer.java:142)
at com.xxx.others.Dabconnections.getProducts(MongoConnections.java:124)
at com.xxx.others.MongoConnections.main(MongoConnections.java:180)
使用mahout时出现异常。 我可以从数据库中获取数据并使用该数据生成序列文件。之后，当我尝试向量化该序列文件时，我得到了这个异常。我如何解决这个问题？我正在使用Windows 7.