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From hars...@students.iiit.ac.in
Subject Error in WordCount example in Hadoop
Date Thu, 27 Aug 2009 09:23:41 GMT
Hi all,

When I execute this command on my Hadoop to execute the WordCount example

" bin/hadoop jar wordcount.jar org.myorg.WordCount input output"

it gives me the following exception:

java.lang.ClassNotFoundException: org.myorg.WordCount
	at java.net.URLClassLoader$1.run(URLClassLoader.java:217)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:323)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:268)
	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:336)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:264)
	at org.apache.hadoop.util.RunJar.main(RunJar.java:158)
	at org.apache.hadoop.mapred.JobShell.run(JobShell.java:54)
	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
	at org.apache.hadoop.mapred.JobShell.main(JobShell.java:68)

Please help me out.

Harshad Shrikhande

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