Problem with java, help someone..

[Except]

I try start l2j-free the latest revisions on Debian linux, apache mysql already installed etc. including java6 jdk, but they are one of the java does not work for me, I give this error:

 

Exception in thread "main" java.lang.NoClassDefFoundError: net/sf/l2j/loginserver/loginserver
Caused by: java.lang.ClassNotFoundException: net.sf.l2j.loginserver.loginserver
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
Could not find the main class: net.sf.l2j.loginserver.loginserver. Program will exit.

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Would help someone...