RxTx has some trouble identifying specific port names.
Check here: 
http://smslib.org/doc/smslib/troubleshooting/#Linux_and_undetectable_ports


On Jan 12, 11:04 pm, Bo Visfeldt <[email protected]> wrote:
> Hi there.
> I have installed the smslib under Ubuntu Jaunty using RxTX serial
> driver.
> I am using a Sony Ericsson K300i (which should be supported) phone
> connected through a USB-To-Serial Cable
> Compiled and run with java-6-openjdk
>
> Every time I get the following:
>
> Searching for devices...
> Experimental:  JNI_OnLoad called.
> Stable Library
> =========================================
> Native lib Version = RXTX-2.1-7
> Java lib Version   = RXTX-2.1-7
>
> Found port: /dev/ttyUSB0
>        Trying at   1200...  no device found
>        Trying at   2400...  no device found
>        Trying at   4800...  no device found
>        Trying at   9600...  no device found
>        Trying at  14400...  no device found
> (gnu.io.UnsupportedCommOperationException: Invalid Parameter)
>        Trying at  19200...  no device found
>        Trying at  28800...  no device found
> (gnu.io.UnsupportedCommOperationException: Invalid Parameter)
>        Trying at  33600...  no device found
> (gnu.io.UnsupportedCommOperationException: Invalid Parameter)
>        Trying at  38400...  no device found
>        Trying at  56000...  no device found
> (gnu.io.UnsupportedCommOperationException: Invalid Parameter)
>        Trying at  57600...  no device found
>        Trying at 115200...  no device found
>
> I tried:
> Adding 1200, 2400 and 4800 baud.
> Setting responsetime to 2500 milisecs
> Running with both:
> /usr/lib/jvm/java-6-openjdk/bin/java .:smslib-3.4.4.jar:RXTXcomm.jar
> misc/CommTest
> and
> /usr/lib/jvm/java-6-openjdk/bin/java -Dsmslib.serial.polling -
> cp .:smslib-3.4.4.jar:RXTXcomm.jar misc/CommTest
>
> I do not think it is the usb-to-serial connection that fails because i
> can connect withoug problems to ttyUSB0 through gtkterm.
>
> ... but for good measurements, here is the output of dmesg:
> [  234.340101] usb 3-1: new full speed USB device using uhci_hcd and
> address 2
> [  234.510140] usb 3-1: configuration #1 chosen from 1 choice
> [  234.650737] usbcore: registered new interface driver usbserial
> [  234.650767] USB Serial support registered for generic
> [  234.650850] usbcore: registered new interface driver
> usbserial_generic
> [  234.650855] usbserial: USB Serial Driver core
> [  234.659845] USB Serial support registered for pl2303
> [  234.659886] pl2303 3-1:1.0: pl2303 converter detected
> [  234.671525] usb 3-1: pl2303 converter now attached to ttyUSB0
> [  234.671554] usbcore: registered new interface driver pl2303
> [  234.671560] pl2303: Prolific PL2303 USB to serial adaptor driver
>
> Does anyone have an   an idea of what might be wrong? I am running out
> of ideas...
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