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Date: Wed, 26 Jun 2013 09:53:23 -0500
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Subject: Can not follow Single Node Setup example.
From: Peng Yu <pengyu.ut@gmail.com>
To: user@hadoop.apache.org
Content-Type: text/plain; charset=ISO-8859-1

Hi,

http://hadoop.apache.org/docs/r1.1.2/single_node_setup.html

I followed the above instructions. But I get the following errors.
Does anybody know what is wrong? Thanks.

~/Downloads/hadoop-install/hadoop$ bin/hadoop jar
hadoop-examples-*.jar grep input output 'dfs[a-z.]+'
Warning: $HADOOP_HOME is deprecated.

13/06/26 09:49:14 WARN util.NativeCodeLoader: Unable to load
native-hadoop library for your platform... using builtin-java classes
where applicable
13/06/26 09:49:14 WARN snappy.LoadSnappy: Snappy native library not loaded
13/06/26 09:49:14 INFO mapred.FileInputFormat: Total input paths to process : 2
13/06/26 09:49:14 INFO mapred.JobClient: Cleaning up the staging area
hdfs://localhost:9000/opt/local/var/hadoop/cache/mapred/staging/py/.staging/job_201306260838_0001
13/06/26 09:49:14 ERROR security.UserGroupInformation:
PriviledgedActionException as:py cause:java.io.IOException: Not a
file: hdfs://localhost:9000/user/py/input/conf
java.io.IOException: Not a file: hdfs://localhost:9000/user/py/input/conf
	at org.apache.hadoop.mapred.FileInputFormat.getSplits(FileInputFormat.java:215)
	at org.apache.hadoop.mapred.JobClient.writeOldSplits(JobClient.java:1051)
	at org.apache.hadoop.mapred.JobClient.writeSplits(JobClient.java:1043)
	at org.apache.hadoop.mapred.JobClient.access$700(JobClient.java:179)
	at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:959)
	at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:912)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:396)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1149)
	at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:912)
	at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:886)
	at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1323)
	at org.apache.hadoop.examples.Grep.run(Grep.java:69)
	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
	at org.apache.hadoop.examples.Grep.main(Grep.java:93)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68)
	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139)
	at org.apache.hadoop.examples.ExampleDriver.main(ExampleDriver.java:64)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.hadoop.util.RunJar.main(RunJar.java:156)

-- 
Regards,
Peng