InvocationTargetException. This application will now exit. (LAX)
 

Im having problem installing JBuilder( and JRE ) on mandrake 9 x86..
its always gving me error:

Invocation of this Java Application has caused an InvocationTargetException. This application will now exit. (LAX)

Stack Trace:
java.lang.NoClassDefFoundError
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:140)
at java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:62)
at java.awt.Window.init(Window.java:224)
at java.awt.Window.<init>(Window.java:268)
at java.awt.Frame.<init>(Frame.java:398)
at java.awt.Frame.<init>(Frame.java:363)
at com.zerog.ia.installer.Main.c(Unknown Source)
at com.zerog.ia.installer.Main.main(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at com.zerog.lax.LAX.launch(Unknown Source)
at com.zerog.lax.LAX.main(Unknown Source)
GUI-

somebody told me to do:
"set DISPLAY=localhost:0.0"
but its not working either...
Please tell me whats wrong??
Thanks