Program: 62480
Project: 62480
Buggy source:
@Override public void dscAlarmEventReceived(EventObject event,Thing thing){
  if (thing != null) {
    if (getThing() == thing) {
      DSCAlarmEvent dscAlarmEvent=(DSCAlarmEvent)event;
      DSCAlarmMessage dscAlarmMessage=dscAlarmEvent.getDSCAlarmMessage();
      ChannelUID channelUID=null;
      DSCAlarmCode dscAlarmCode=DSCAlarmCode.getDSCAlarmCodeValue(dscAlarmMessage.getMessageInfo(DSCAlarmMessageInfoType.CODE));
      String dscAlarmMessageData=dscAlarmMessage.getMessageInfo(DSCAlarmMessageInfoType.DATA);
      logger.debug("String_Node_Str",thing.getUID(),dscAlarmCode);
switch (dscAlarmCode) {
case KeypadLEDState:
case KeypadLEDFlashState:
        keypadLEDStateEventHandler(event);
      break;
case LCDUpdate:
case LCDCursor:
    updateChannel(channelUID,0,dscAlarmMessageData);
  break;
case LEDStatus:
int data=Integer.parseInt(dscAlarmMessageData.substring(0,1));
int state=Integer.parseInt(dscAlarmMessage.getMessageInfo(DSCAlarmMessageInfoType.DATA).substring(1));
switch (data) {
case 1:
channelUID=new ChannelUID(getThing().getUID(),KEYPAD_READY_LED);
updateChannel(channelUID,state,"String_Node_Str");
break;
case 2:
channelUID=new ChannelUID(getThing().getUID(),KEYPAD_ARMED_LED);
updateChannel(channelUID,state,"String_Node_Str");
break;
case 3:
channelUID=new ChannelUID(getThing().getUID(),KEYPAD_MEMORY_LED);
updateChannel(channelUID,state,"String_Node_Str");
break;
case 4:
channelUID=new ChannelUID(getThing().getUID(),KEYPAD_BYPASS_LED);
updateChannel(channelUID,state,"String_Node_Str");
break;
case 5:
channelUID=new ChannelUID(getThing().getUID(),KEYPAD_TROUBLE_LED);
updateChannel(channelUID,state,"String_Node_Str");
break;
case 6:
channelUID=new ChannelUID(getThing().getUID(),KEYPAD_PROGRAM_LED);
updateChannel(channelUID,state,"String_Node_Str");
break;
case 7:
channelUID=new ChannelUID(getThing().getUID(),KEYPAD_FIRE_LED);
updateChannel(channelUID,state,"String_Node_Str");
break;
case 8:
channelUID=new ChannelUID(getThing().getUID(),KEYPAD_BACKLIGHT_LED);
updateChannel(channelUID,state,"String_Node_Str");
break;
case 9:
channelUID=new ChannelUID(getThing().getUID(),KEYPAD_AC_LED);
updateChannel(channelUID,state,"String_Node_Str");
break;
default :
break;
}
default :
break;
}
}
}
}

Fixed version (ground truth):
@Override public void dscAlarmEventReceived(EventObject event,Thing thing){
  if (thing != null) {
    if (getThing() == thing) {
      DSCAlarmEvent dscAlarmEvent=(DSCAlarmEvent)event;
      DSCAlarmMessage dscAlarmMessage=dscAlarmEvent.getDSCAlarmMessage();
      ChannelUID channelUID=null;
      DSCAlarmCode dscAlarmCode=DSCAlarmCode.getDSCAlarmCodeValue(dscAlarmMessage.getMessageInfo(DSCAlarmMessageInfoType.CODE));
      String dscAlarmMessageData=dscAlarmMessage.getMessageInfo(DSCAlarmMessageInfoType.DATA);
      logger.debug("String_Node_Str",thing.getUID(),dscAlarmCode);
switch (dscAlarmCode) {
case KeypadLEDState:
case KeypadLEDFlashState:
        keypadLEDStateEventHandler(event);
      break;
case LCDUpdate:
    channelUID=new ChannelUID(getThing().getUID(),KEYPAD_LCD_UPDATE);
  updateChannel(channelUID,0,dscAlarmMessageData);
break;
case LCDCursor:
channelUID=new ChannelUID(getThing().getUID(),KEYPAD_LCD_CURSOR);
updateChannel(channelUID,0,dscAlarmMessageData);
break;
case LEDStatus:
int data=Integer.parseInt(dscAlarmMessageData.substring(0,1));
int state=Integer.parseInt(dscAlarmMessage.getMessageInfo(DSCAlarmMessageInfoType.DATA).substring(1));
switch (data) {
case 1:
channelUID=new ChannelUID(getThing().getUID(),KEYPAD_READY_LED);
updateChannel(channelUID,state,"String_Node_Str");
break;
case 2:
channelUID=new ChannelUID(getThing().getUID(),KEYPAD_ARMED_LED);
updateChannel(channelUID,state,"String_Node_Str");
break;
case 3:
channelUID=new ChannelUID(getThing().getUID(),KEYPAD_MEMORY_LED);
updateChannel(channelUID,state,"String_Node_Str");
break;
case 4:
channelUID=new ChannelUID(getThing().getUID(),KEYPAD_BYPASS_LED);
updateChannel(channelUID,state,"String_Node_Str");
break;
case 5:
channelUID=new ChannelUID(getThing().getUID(),KEYPAD_TROUBLE_LED);
updateChannel(channelUID,state,"String_Node_Str");
break;
case 6:
channelUID=new ChannelUID(getThing().getUID(),KEYPAD_PROGRAM_LED);
updateChannel(channelUID,state,"String_Node_Str");
break;
case 7:
channelUID=new ChannelUID(getThing().getUID(),KEYPAD_FIRE_LED);
updateChannel(channelUID,state,"String_Node_Str");
break;
case 8:
channelUID=new ChannelUID(getThing().getUID(),KEYPAD_BACKLIGHT_LED);
updateChannel(channelUID,state,"String_Node_Str");
break;
case 9:
channelUID=new ChannelUID(getThing().getUID(),KEYPAD_AC_LED);
updateChannel(channelUID,state,"String_Node_Str");
break;
default :
break;
}
default :
break;
}
}
}
}