Hi All, I am trying to execute first ever program (Word Count) in hadoop2.2.0 . But do not know what's wrong with the classpath which is making program fail at the runtime.
Hadoop classpath set on my machine is c:\hadoop\etc\hadoop;c:\hadoop\share\hadoop\common\lib\*;c:\hadoop\share\hadoop\ common\*;c:\hadoop\share\hadoop\hdfs;c:\hadoop\share\hadoop\hdfs\lib\*;c:\hadoop \share\hadoop\hdfs\*;c:\hadoop\share\hadoop\yarn\lib\*;c:\hadoop\share\hadoop\ya rn\*;c:\hadoop\share\hadoop\mapreduce\lib\*;c:\hadoop\share\hadoop\mapreduce\* stderr: java.lang.NoClassDefFoundError: org/apache/hadoop/service/CompositeService at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631) at java.lang.ClassLoader.defineClass(ClassLoader.java:615) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) at java.net.URLClassLoader.defineClass(URLClassLoader.java:283) at java.net.URLClassLoader.access$000(URLClassLoader.java:58) at java.net.URLClassLoader$1.run(URLClassLoader.java:197) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.service.CompositeService at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) ... 12 more Could not find the main class: org.apache.hadoop.mapreduce.v2.app.MRAppMaster. Program will exit. Exception in thread "main"