GPS Data Logger Software - BT747

so i downloaded bt747 and added the device to my bluetooth on my mac (running snow leopard), and changed the port to /dev/tty.QStarzGPS-SPPslave 

When I clicked connect, nothing happens, and this is what is shown on the debug screen

Below are informational messages that can help during debug.

------------------------------------------------

2173 - BT747 2.0.3 Build:BT747_mdeweerd.3.20110515132709849

2173 - Initial: 1018x596  Screen: 1280x800 Final: 1018x596

2174 - Mac OS X

2174 - x86_64

2174 - 10.6.8

2174 - 1.6.0_29

2174 - 64

2174 - Fail javax.swing.plaf.mac.MacLookAndFeel

Fail com.apple.mrj.swing.MacLookAndFeel

Success apple.laf.AquaLookAndFeel

javax.swing.plaf.metal.MetalLookAndFeel

com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel

com.sun.java.swing.plaf.motif.MotifLookAndFeel

com.apple.laf.AquaLookAndFeel

15823 - isValidPort('/dev/tty.HOLUX_M-241-SPPSlave')?: false -1

15824 - isValidPort('/dev/tty.HOLUX_M-241-SPPSlave-0')?: false -1

15824 - isValidPort('/dev/tty.HOLUX_M-241-SPPSlave-1')?: false -1

15824 - isValidPort('/dev/tty.HOLUX_M-241-SPPSlave-2')?: false -1

15825 - isValidPort('/dev/tty.HoluxM-1000C-SPPslave')?: false -1

15825 - isValidPort('/dev/tty.HoluxM-1000C-SPPslave-0')?: false -1

15825 - isValidPort('/dev/tty.HoluxM-1000C-SPPslave-1')?: false -1

15825 - isValidPort('/dev/tty.HoluxM-1000C-SPPslave-2')?: false -1

15826 - isValidPort('/dev/tty.HOLUX_M-1200E-SPPslave')?: false -1

15826 - isValidPort('/dev/tty.HOLUX_M-1200E-SPPslave-0')?: false -1

15826 - isValidPort('/dev/tty.HOLUX_M-1200E-SPPslave-1')?: false -1

15826 - isValidPort('/dev/tty.HOLUX_M-1200E-SPPslave-2')?: false -1

15826 - isValidPort('/dev/tty.iBT-GPS-SPPSlave')?: false -1

15827 - isValidPort('/dev/tty.iBT-GPS-SPPSlave-0')?: false -1

15827 - isValidPort('/dev/tty.iBT-GPS-SPPSlave-1')?: false -1

15827 - isValidPort('/dev/tty.iBT-GPS-SPPSlave-2')?: false -1

15827 - isValidPort('/dev/tty.iBT-GPS-SPPslave')?: false -1

15828 - isValidPort('/dev/tty.iBT-GPS-SPPslave-0')?: false -1

15828 - isValidPort('/dev/tty.iBT-GPS-SPPslave-1')?: false -1

15828 - isValidPort('/dev/tty.iBT-GPS-SPPslave-2')?: false -1

 When I decided to then reun BT747 Latest using RxTx 2.2pre2 (RxTx dev version) for Windows 32 & 64 bit, MacOSX, Linux, this is what happens:

Error: Port /dev/cu.QstarzGPS-SPPslaveis currently in use

gnu.io.PortInUseException: Unknown Application

at gnu.io.CommPortIdentifier.open(CommPortIdentifier.java:467)

at gps.connection.GPSRxTxPort.openPort(GPSRxTxPort.java:169)

at gps.connection.GPSrxtx.myOpenPort(GPSrxtx.java:117)

at gps.connection.GPSrxtx.setBluetoothAndOpen(GPSrxtx.java:122)

at bt747.model.Controller.setBluetooth(Controller.java:1074)

at bt747.j2se_view.BT747Main.openPort(BT747Main.java:1490)

at bt747.j2se_view.BT747Main.btConnectActionPerformed(BT747Main.java:1410)

at bt747.j2se_view.BT747Main.access$300(BT747Main.java:66)

at bt747.j2se_view.BT747Main$7.actionPerformed(BT747Main.java:812)

at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2028)

at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2351)

at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)

at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)

at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)

at java.awt.Component.processMouseEvent(Component.java:6373)

at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)

at java.awt.Component.processEvent(Component.java:6138)

at java.awt.Container.processEvent(Container.java:2085)

at java.awt.Component.dispatchEventImpl(Component.java:4735)

at java.awt.Container.dispatchEventImpl(Container.java:2143)

at java.awt.Component.dispatchEvent(Component.java:4565)

at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4621)

at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4282)

at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4212)

at java.awt.Container.dispatchEventImpl(Container.java:2129)

at java.awt.Window.dispatchEventImpl(Window.java:2478)

at java.awt.Component.dispatchEvent(Component.java:4565)

at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:679)

at java.awt.EventQueue.access$000(EventQueue.java:85)

at java.awt.EventQueue$1.run(EventQueue.java:638)

at java.awt.EventQueue$1.run(EventQueue.java:636)

at java.security.AccessController.doPrivileged(Native Method)

at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)

at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:98)

at java.awt.EventQueue$2.run(EventQueue.java:652)

at java.awt.EventQueue$2.run(EventQueue.java:650)

at java.security.AccessController.doPrivileged(Native Method)

at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)

at java.awt.EventQueue.dispatchEvent(EventQueue.java:649)

at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)

at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)

at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)

at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)

at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)

at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)

can anyone help? Thanks a lot