Program: 34378
Project: 34378
Buggy source:
/** 
 * If this operation can be initiated immediately, rc should be set to 202. If firmware was not previously downloaded successfully, rc should be set to 400. If firmware update attempt fails, rc should be set to 500  and the message field can optionally be set to contain relevant information. If firmware update is not supported rc should be set to 501 and the message  field can optionally be set to contain relevant information. If mgmt.firmware.state is not 2 (Downloaded), an error should be reported  with rc set to 400 and an optional message text. Otherwise,  mgmt.firmware.updateStatus should be set to 1 (In Progress) and firmware  installation should start. If firmware installation fails, mgmt.firmware.updateStatus should be set to either: 2 (Out of Memory) 5 (Unsupported Image) Once firmware update is complete, mgmt.firmware.updateStatus  should be set to 0 (Success), mgmt.firmware.state should be set to 0 (Idle),  downloaded firmware image can be deleted from the device and deviceInfo.fwVersion  should be set to the value of mgmt.firmware.version.
 */
@Override public void handleRequest(JsonObject jsonRequest){
  final String METHOD="String_Node_Str";
  ResponseCode rc;
  JsonObject response=new JsonObject();
  response.add("String_Node_Str",jsonRequest.get("String_Node_Str"));
  DeviceFirmware firmware=getDMClient().getDeviceData().getDeviceFirmware();
  if (firmware == null || getDMClient().getFirmwareHandler() == null) {
    rc=ResponseCode.DM_FUNCTION_NOT_IMPLEMENTED;
  }
 else {
    if (firmware.getUrl() != null) {
      LoggerUtility.fine(CLASS_NAME,METHOD,"String_Node_Str");
      getDMClient().getFirmwareHandler().updateFirmware(firmware);
      rc=ResponseCode.DM_ACCEPTED;
    }
 else {
      rc=ResponseCode.DM_BAD_REQUEST;
      response.add("String_Node_Str",new JsonPrimitive("String_Node_Str"));
    }
  }
  response.add("String_Node_Str",new JsonPrimitive(rc.getCode()));
  respond(response);
}

Fixed version (ground truth):
/** 
 * If this operation can be initiated immediately, rc should be set to 202. If firmware was not previously downloaded successfully, rc should be set to 400. If firmware update attempt fails, rc should be set to 500  and the message field can optionally be set to contain relevant information. If firmware update is not supported rc should be set to 501 and the message  field can optionally be set to contain relevant information. If mgmt.firmware.state is not 2 (Downloaded), an error should be reported  with rc set to 400 and an optional message text. Otherwise,  mgmt.firmware.updateStatus should be set to 1 (In Progress) and firmware  installation should start. If firmware installation fails, mgmt.firmware.updateStatus should be set to either: 2 (Out of Memory) 5 (Unsupported Image) Once firmware update is complete, mgmt.firmware.updateStatus  should be set to 0 (Success), mgmt.firmware.state should be set to 0 (Idle),  downloaded firmware image can be deleted from the device and deviceInfo.fwVersion  should be set to the value of mgmt.firmware.version.
 */
@Override public void handleRequest(JsonObject jsonRequest){
  final String METHOD="String_Node_Str";
  ResponseCode rc;
  JsonObject response=new JsonObject();
  response.add("String_Node_Str",jsonRequest.get("String_Node_Str"));
  DeviceFirmware firmware=getDMClient().getDeviceData().getDeviceFirmware();
  if (firmware == null || getDMClient().getFirmwareHandler() == null) {
    rc=ResponseCode.DM_FUNCTION_NOT_IMPLEMENTED;
  }
 else {
    if (firmware.getUrl() != null) {
      rc=ResponseCode.DM_ACCEPTED;
    }
 else {
      rc=ResponseCode.DM_BAD_REQUEST;
      response.add("String_Node_Str",new JsonPrimitive("String_Node_Str"));
    }
  }
  response.add("String_Node_Str",new JsonPrimitive(rc.getCode()));
  respond(response);
  if (rc == ResponseCode.DM_ACCEPTED) {
    LoggerUtility.fine(CLASS_NAME,METHOD,"String_Node_Str");
    getDMClient().getFirmwareHandler().updateFirmware(firmware);
  }
}