BlueCove failing to associate with Bluetooth device in Java

I am getting the following error when i try to use a blue tooth dongle to transfer a video file from pc to mobile phone. does anyone know

 run:
    BlueCove log redirected to log4j
    log4j:WARN No appenders could be found for logger (com.intel.bluetooth).
    log4j:WARN Please initialize the log4j system properly.
    BlueCove version 2.1.0 on bluesoleil
    java.io.IOException: Device not discovered
    BlueCove stack shutdown completed
            at com.intel.bluetooth.BluetoothStackBlueSoleil.connectionRfOpenClientConnection(BluetoothStackBlueSoleil.java:361)
            at com.intel.bluetooth.BluetoothRFCommClientConnection.<init>(BluetoothRFCommClientConnection.java:37)
            at com.intel.bluetooth.MicroeditionConnector.openImpl(MicroeditionConnector.java:379)
            at com.intel.bluetooth.MicroeditionConnector.open(MicroeditionConnector.开发者_如何学编程java:162)
            at javax.microedition.io.Connector.open(Connector.java:83)
            at de.avetana.obexsolo.OBEXConnector.open(OBEXConnector.java:103)
            at OBEXTest.main(OBEXTest.java:23)

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java.io.IOException: Device not discovered

Try going through the discovery and association stage.