Hi,
I have connected a Serial Device to my Mac's USB Port,
and its getting recognized (Could see the entries in
/dev/ folder).
However, when I try to open the port by doing a
serialPort = (SerialPort) portId.open("TestApp",
2000);
(portId is a CommPortIdentifier object)
I am getting a PortInUseException. Following is the
stacktrace of the error:
javax.comm.PortInUseException: Could not open
usbserial-3B13
usbserial-3B13: SerOpenPort failed: : 16
at
javax.comm.CommPortIdentifier.open(CommPortIdentifier.java:180)
at
ScannerFunctionality.main(ScannerFunctionality.java:47)
Exception in thread "main"
java.lang.NullPointerException
at
ScannerFunctionality.main(ScannerFunctionality.java:56)
Also, I tried to get the port owner, by doing a
PortInUseException.currentOwner, and this gives as
'Unknown'.
Any idea of what could be causing this error, and how
to avoid this issue ?
Thanks,
Rafi SM
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