[Rxtx] getPortIdentifiers() doesn't return anything

Damgaard, Thomas Thomas.Damgaard at polycom.com
Mon Nov 1 06:58:25 MDT 2010


Hi,

I've created a small applet to test the functionality of RXTX. It runs on a web server I've set up on my Windows XP laptop.
If I go to address on my Windows XP the applet lists the available COM ports, but if I go to the address on my Linux laptop no ports are listed.

dmesg |grep ttyS:
serial8250: ttyS2 at I/O 0x3e8 (irq = 7) is a 16550A

dmesg |grep ttyU:
usb 3-2: FTDI USB Serial Device converter now attached to ttyUSB0

ll ttyS*:
crw-rw-rw-. 1 root dialout 4, 64 Nov  1 08:33 ttyS0
crw-rw-rw-. 1 root dialout 4, 64 Nov  1 08:33 ttyS1
crw-rw-rw-. 1 root dialout 4, 64 Nov  1 08:33 ttyS2
crw-rw-rw-. 1 root dialout 4, 64 Nov  1 08:33 ttyS3
ll ttyU*:
crw-rw-rw-. 1 root dialout 188,  0 Nov  1 12:21 ttyUSB0

I tried both the "2.1-7r2" and "2.2pre2" versions.
Thomas Fogh Damgaard

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