das bekomme ich als ausgabe
beim befehl: java -jar RobotLoader_lib.jar -c -port=/dev/ttyUSB0 -id


pi@raspberrypi ~/Desktop/RobotLoader_20120924 $ java -jar RobotLoader_lib.jar -c -port=/dev/ttyUSB0 -id
RobotLoader - COMMANDLINE MODE
Perform Action:
Get Info...
Listing all serial ports...
WARNING: RXTX Version mismatch
Jar version = RXTX-2.2pre1
native lib Version = RXTX-2.2pre2
### Error, could not find specified comport: /dev/ttyUSB0
Please check the used portname!
Comport: Try to close...
Exit code: 1