Hello

  Please guide me.. When I am running SendMessage.java program
following Exception is coming

java.lang.NullPointerException
        at org.smslib.modem.SerialModemDriver.disconnectPort
(SerialModemDriver.java:107)
        at org.smslib.modem.AModemDriver.disconnect(AModemDriver.java:
280)
        at org.smslib.modem.ModemGateway.stopGateway(ModemGateway.java:
197)
        at org.smslib.Service.stopService(Service.java:338)
        at org.smslib.Service.startService(Service.java:217)
        at cdot.omcr.flt.be.SendSmsProcess.startService
(SendSmsProcess.java:156)

Actullay I have connected GSM Modem to /dev/ttyS4 and when I am
running CommTest.java example, it is detecting only  /dev/ttyS0 port.
Other Serial port are not detected by the CommTest.

Please help me.
What to do to run SendMessage.java.

Thanks in advance
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