it works, thx alot :)i only wonder because i was quite sure i tried that out too, however thx again

public SerialPort schnittstelleOeffnen(CommPortIdentifier comid) { SerialPort sp; try { sp = (SerialPort)comid.open("test", 100); return (sp); } catch (PortInUseException e) { System.exit(1); } }Compiler says that the method does not return a value! I think it's because there is no return in case of an Exception. Can somebody help me with...