Java > Erreur Java NoClassDefFoundError

Microsoft Windows XP [version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

C:\Documents and Settings\Sami>cd Bureau*

C:\Documents and Settings\Sami\Bureau>cd Download

C:\Documents and Settings\Sami\Bureau\Download>java Rig Prod.jar
Exception in thread "main" java.lang.NoClassDefFoundError: Rig
Caused by: java.lang.ClassNotFoundException: Rig
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClassInternal(Unknown Source)
Could not find the main class: Rig.  Program will exit.

C:\Documents and Settings\Sami\Bureau\Download>