I think you have an old version of javax.usb.  I believe the current
1.0.2 version supports /dev/bus/usb nodes as well as /proc/bus/usb
nodes.

On Wed, May 27, 2009 at 2:52 AM, Hsieh Dinow <dino...@gmail.com> wrote:
> Can you clarify what you mean by "it still runs well but find out
> nothing about USB-Device."
> ==>Yes. It means my Java application can run smothly. At the RedHat, Debian,
> Fedor, and CentOS, it can successfuly find out the USB device then get data
> from the ReportID. However in Suse and Ubuntu, there was no any USB device
> be found.
>
> Are you running as root?
> ==> Yes, I was login and running as a root.
>
> Does lsusb show all your devices?
> ==>Yes. Linux-08x9:/# lsusb
> Bus 002 Device 001 1d6b:0002 Linux 2.0 root hub
> Bus 001 Device 002 0d9f:00a3 Dinow Co., Ltd (It's the device that i want to
> communicate)
> Bus 001 Device 001 1d6b:0001 Linux 1.1 root hub
>
> Thanks your direction. After the below mount configuration, I also can
> successfully run on the Linux SuSE
>
> mount -t usbfs /dev/bus/usb/001/002 /proc/bus/usb
>
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