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

[John D.]

John D. wrote:
> 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???
Please cancel the above question, it appears to be intermittent cabling 
problems, but as yet I haven't worked out which cable! (some other stuff 
has gone "pear shaped" as well).

regards

John D.