How to use

printStackTrace

method

in

javax.media.mscontrol.MsControlException

  public static void playFileInResponseToDTMFInfo(SipSession session,
      String audioFile) {
    logger.info("playing " + audioFile + " in response to DTMF");
    MediaGroup mg = (MediaGroup) session.getAttribute("mediaGroup");

    // Let us request for Announcement Complete event or Failure
    // in case if it happens

    try {
      mg.getPlayer().play(URI.create(audioFile), null, null);
    } catch (MsControlException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
    session.setAttribute("DTMFSession", DTMFListener.DTMF_SESSION_STOPPED);
    logger.info("played " + audioFile + " in response to DTMF");
  }
}

  public void onEvent(SdpPortManagerEvent event) {
    if (event.getEventType() == SdpPortManagerEvent.ANSWER_PROCESSED) {
      try {
        c1.getSdpPortManager().processSdpAnswer(event.getMediaServerSdp());
      } catch (MsControlException e){
        e.printStackTrace();
      }
    } else {
      System.out.println("BAD!BAD!BAD!");
    }
  }
});

  public void onEvent(SdpPortManagerEvent event) {
    if (event.getEventType() == SdpPortManagerEvent.OFFER_GENERATED) {
      try {
         c2.getSdpPortManager().processSdpOffer(event.getMediaServerSdp());
      } catch (MsControlException e){
        e.printStackTrace();
      }
    } else {
      System.out.println("BAD!BAD!BAD!");
    }
  }
});

  public void onEvent(SdpPortManagerEvent event) {
    if (event.getEventType() == SdpPortManagerEvent.ANSWER_PROCESSED) {
      try {
        c1.getSdpPortManager().processSdpAnswer(event.getMediaServerSdp());
      } catch (MsControlException e){
        e.printStackTrace();
      }
    } else {
      System.out.println("BAD!BAD!BAD!");
    }
  }
});

  public void onEvent(SdpPortManagerEvent event) {
    if (event.getEventType() == SdpPortManagerEvent.OFFER_GENERATED) {
      try {
         c2.getSdpPortManager().processSdpOffer(event.getMediaServerSdp());
      } catch (MsControlException e){
        e.printStackTrace();
      }
    } else {
      System.out.println("BAD!BAD!BAD!");
    }
  }
});

  public void onEvent(SignalDetectorEvent arg0) {
    String signal = arg0.getSignalString();
    if(session.getAttribute("orderApproval") != null) {
      if(session.getAttribute("adminApproval") != null) {
        logger.info("admin approval in progress.");
        DTMFUtils.adminApproval(session, signal, pathToAudioDirectory);
      } else {
        logger.info("customer approval in progress.");
        DTMFUtils.orderApproval(session, signal, pathToAudioDirectory);
      }
    } else if(session.getAttribute("deliveryDate") != null) {
      logger.info("delivery date update in progress.");
      if(!DTMFUtils.updateDeliveryDate(session, signal)) {				
        try {
          mg.getSignalDetector().receiveSignals(1, null, null, null);
        } catch (MsControlException e) {
          // TODO Auto-generated catch block
          e.printStackTrace();
        }
      }
    }        
  }
}