[MAPREDUCE-3845] hadoop distcp fails to run with java.lang.NoClassDefFoundError

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 0.23.1
• Fix Version/s: 0.23.1
• Component/s: distcp
• Assignee: Roman Shaposhnik
• Reporter: Roman Shaposhnik
• Created: 09/Feb/12 22:50
• Updated: 10/Feb/12 02:24
• Resolved: 10/Feb/12 02:24

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.