[Sussex] A different java related problem - with my Rio Karma mp3 player and music transferring.

[John D.]

Hi list,

All of the messing around trying to get the java SDK so that I can have 
a look at Openlaszlo has thrown up a different problem.

My mp3 player (Rio Karma) doesn't have direct linux support, but 
normally I'd use a java version of their Rio Music Manager software to 
transfer the ripped tracks
to the device via ethernet, but since my meddling with the SDK my system 
will not allow me to start the rmmlite.jar file to transfer some tracks.

I'm now getting this error.....

john at johnspc:~/savedstuff> java -jar rmmlite.jar
Xlib: connection to ":0.0" refused by server
Xlib: No protocol specified

Exception in thread "main" java.lang.InternalError: Can't connect to X11 
window                            server using ':0.0' as the value of 
the DISPLAY variable.
        at sun.awt.X11GraphicsEnvironment.initDisplay(Native Method)
        at 
sun.awt.X11GraphicsEnvironment.access$000(X11GraphicsEnvironment.java                           
:53)
        at 
sun.awt.X11GraphicsEnvironment$1.run(X11GraphicsEnvironment.java:142)
        at java.security.AccessController.doPrivileged(Native Method)
        at 
sun.awt.X11GraphicsEnvironment.<clinit>(X11GraphicsEnvironment.java:1                           
31)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:164)
        at 
java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvi                           
ronment.java:68)
        at java.awt.Window.init(Window.java:270)
        at java.awt.Window.<init>(Window.java:318)
        at java.awt.Frame.<init>(Frame.java:419)
        at javax.swing.JFrame.<init>(JFrame.java:194)
        at com.rio.rmmlite.ChooseRmmlOrTaxi.main(ChooseRmmlOrTaxi.java:18)
john at johnspc:~/savedstuff> 

the rmmlite.jar file is actually 2 applications, the music manager and 
the "Rio Taxi", though I've never used the second one.

Also, the device (the mp3 player) is normally connected to the system 
via ethernet, and I'm not seeing any connection indication either i.e. 
no light on the hub, or on the back of the mp3 player dock, though if I 
disconnect the ethernet cable, the docks main light (as opposed to the 
ethernet connection light) goes out. So as far as I can tell, that means 
that the dock is seeing the connection, but the system isn't seeing the 
connection to the ethernet hub.

If I try to see the device with it's IP address, it's telling me that an 
error occured while loading the IP address.

What do I need to do to check this i.e. how do I check the ethernet 
connection and do I need to do something with the java so that it uses 
the jre rather than the SDK/JDK???

Any ideas much appreciated.

regards

John D.