처음 실행시 NullPointerException 에러가 뜹니다.

[robotdm]

안녕하세요.

swt.jar 파일을 사이트에서 링크되어 있는 주소에서 받아서 lib 폴더에 넣고,
실행을 했는데 아래와 같은 에러메세지가 출력이 되면서 실행이 되지 않습니다.

도움을 부탁드립니다.

bash-3.00$ java -jar jateon.jar
java.lang.NoClassDefFoundError: while resolving class: kfmes.jateon.F
at java.lang.VMClassLoader.transformException(java.lang.Class, java.lang.Throwable) (/usr/lib/libgcj.so.6.0.0)
at java.lang.VMClassLoader.resolveClass(java.lang.Class) (/usr/lib/libgcj.so.6.0.0)
at java.lang.Class.initializeClass() (/usr/lib/libgcj.so.6.0.0)
at kfmes.jateon.E.E(kfmes.A.E) (Unknown Source)
at kfmes.jateon.Main.A(int) (Unknown Source)
at kfmes.jateon.Main.main(java.lang.String[]) (Unknown Source)
at gnu.java.lang.MainThread.call_main() (/usr/lib/libgcj.so.6.0.0)
at gnu.java.lang.MainThread.run() (/usr/lib/libgcj.so.6.0.0)
Caused by: java.lang.ClassNotFoundException: javax.sound.sampled.AudioInputStream not found in gnu.gcj.runtime.SystemClassLoader{urls=[file:jateon.jar], parent=gnu.gcj.runtime.ExtensionClassLoader{urls=[], parent=null}}
at java.net.URLClassLoader.findClass(java.lang.String) (/usr/lib/libgcj.so.6.0.0)
at java.lang.ClassLoader.loadClass(java.lang.String, boolean) (/usr/lib/libgcj.so.6.0.0)
at java.lang.ClassLoader.loadClass(java.lang.String) (/usr/lib/libgcj.so.6.0.0)
at java.lang.Class.forName(java.lang.String, boolean, java.lang.ClassLoader) (/usr/lib/libgcj.so.6.0.0)
...7 more
java.lang.NullPointerException
at kfmes.jateon.Main.A(int) (Unknown Source)
at kfmes.jateon.Main.main(java.lang.String[]) (Unknown Source)
at gnu.java.lang.MainThread.call_main() (/usr/lib/libgcj.so.6.0.0)
at gnu.java.lang.MainThread.run() (/usr/lib/libgcj.so.6.0.0)

Runtime Error has occurred.
For bug reporting instructions, please see:
<URL:http://jateon.kfmes.com>.

[kfmes]

gun-java 로는 실행이 안된다고 어디엔가 적어놓았습니다

http://jateon.kfmes.com/doc/install.html#ubuntu

[skyobserver]

[robotdm]