Description
Here's how to reproduce:
$ cd /tmnp $ curl http://people.apache.org/~acmurthy/hadoop-0.23.1-rc0/hadoop-0.23.1.tar.gz | tar xzvf - $ cd hadoop-0.23.1 $ ./bin/hadoop distcp Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/hadoop/tools/DistCp Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.tools.DistCp 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) Could not find the main class: org.apache.hadoop.tools.DistCp. Program will exit.