l2j on ubuntu linux (server edition)

[Except]

So, i try to start linux l2j server, all futures is installed but when i try start login server get this java 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.

 

Maybe someone know what is this?