hadoop学习笔记(4)-Windows7 eclipse Hadoop Failed to set permissions of path
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描述:我在Win7上用eclipse在远程的hadoop上调试程序,结果总是报Failed to set permissions of path错误,具体的堆栈信息如下:
Exception in thread "main" java.io.IOException: Failed to set permissions of path: file:/tmp/hadoop-hp/mapred/staging/hp1527257072/.staging to 0700
at org.apache.hadoop.fs.RawLocalFileSystem.checkReturnValue(RawLocalFileSystem.java:525)
at org.apache.hadoop.fs.RawLocalFileSystem.setPermission(RawLocalFileSystem.java:499)
at org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:318)
at org.apache.hadoop.fs.FilterFileSystem.mkdirs(FilterFileSystem.java:183)
at org.apache.hadoop.mapreduce.JobSubmissionFiles.getStagingDir(JobSubmissionFiles.java:116)
at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:797)
at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:791)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Unknown Source)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1059)
at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:791)
at org.apache.hadoop.mapreduce.Job.submit(Job.java:465)
at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:494)
at cn.edu.ruc.kddcup2012.task2.mapper.UserProfile.main(UserProfile.java:35)
我的hadoop是运行在ubuntu server11.10上的,版本是0.20.203.0。这个问题用该是windows这边的问题,其中/tmp/hadoop-hp/mapred/staging/hp1527257072/.staging to 0700是windows7磁盘上的一个目录。网上查到这是由于0.20.203.0一级以后的版本的optimization引起的,只有去掉optimization、重新编译hadoop才行。
最后我也没能解决这个问题,暂时放弃了,如果有大牛能解决这个问题,请一定指教,不胜感激!
已经试过了,在linux系统上的eclipse中没有遇到这个问题,或者换早一点的hadoop版本也没这个问题。
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