I have created 'WordCount.JAR' file and executed the WordCount Program in java using jar file but i am getting exception . hadoop@ubuntu:~/workspace$ hadoop jar WordCount.JAR WordCount siva/file1.txt Warning: $HADOOP_HOME is deprecated. Exception in thread "main" java.lang.ClassNotFoundException: WordCount at java.net.URLClassLoader$1.run(URLClassLoader.java:212) at java.net.URLClassLoader$1.run(URLClassLoader.java:201) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:200) at java.lang.ClassLoader.loadClass(ClassLoader.java:325) at java.lang.ClassLoader.loadClass(ClassLoader.java:270) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:274) at org.apache.hadoop.util.RunJar.main(RunJar.java:149) ... View more