Or change the permissions of the usbfs filesystem. See the FAQ.
http://javax-usb.org/faq.html#linux_setup
On Nov 25, 2007 3:02 PM, Vitaliy Berdinskikh <[EMAIL PROTECTED]> wrote:
> Luftballon пишет:
> > Hallo @ all
> >
> > in the code below i have the problem that the method
> > getAttachedUsbDevices() returns an empty list. But it should return a
> > list of the internal UsbHubs that is never empty because my pc has 6
> > usb ports!?
> >
> > ------------------------------------------------------------------
> > public static void showAttachedDevice(){
> > try {
> > UsbServices usbServices = UsbHostManager.getUsbServices();
> > UsbHub usbRootHub = usbServices.getRootUsbHub();
> > System.out.println(usbRootHub.getAttachedUsbDevices().size());
> > } catch (SecurityException e) {
> > e.printStackTrace();
> > } catch (UsbException e) {
> > e.printStackTrace();
> > }
> > }
> >
> > public static void main(String[] args) {
> > showAttachedDevice();
> > }
> > ------------------------------------------------------------------
> >
> > Does someone see the problem
> You must be root.
>
> Use su or sudo for start application.
>
> --
> Sincerely yours,
> Vitaliy Berdinskikh
> xmpp:[EMAIL PROTECTED]
>
>
>
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