install on linux

I tried, for the first time, installing Pallada on a linux system, and got :

Launching installer...

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:141)
at
java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment
.java:62)
at java.awt.Window.init(Window.java:231)
at java.awt.Window.(Window.java:275) at java.awt.Frame.(Frame.java:401) at java.awt.Frame.]]>(Frame.java:366)
at com.zerog.ia.installer.Main.d(DashoA8113)
at com.zerog.ia.installer.Main.a(DashoA8113)
at com.zerog.ia.installer.Main.main(DashoA8113)
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(DashoA8113)
at com.zerog.lax.LAX.main(DashoA8113)
GUI-