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From "Ramya S" <ram...@suntecgroup.com>
Subject Issue with running my first hadoop program using eclipse
Date Fri, 10 May 2013 10:25:46 GMT
Hi,
I am new to hadoop,so please help me to tackle the following issue.
 
I have Installed Apache Hadoop Pseudo Distributed Mode on a Single Node with hadoop-1.0.4.It
works fine and i tried some examples of wordcount on putty too. But getting into eclipse IDE
on windows i was struck up with the first program. I have already installed jdk6 and mapreduce
plugin version1.0.4 also. When trying to run on hadoop error occurs as follows:-
 
 

*	
	WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using
builtin-java classes where applicable
*	
	ERROR security.UserGroupInformation: PriviledgedActionException as:ramyas cause:java.io.IOException:
Failed to set permissions of path: \tmp\hadoop-ramyas\mapred\staging\ramyas-1375395355\.staging
to 0700
	
*	
	java.io.IOException: Failed to set permissions of path: \tmp\hadoop-ramyas\mapred\staging\ramyas-1375395355\.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(Unknown Source)
*	
	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 WordCount.main(WordCount.java:29)
*	

Also I want to know about configuring map/reduce plugin in eclipse.

Thanks and Regards

Ramya.S

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