Program: 34397
Project: 34397
Buggy source:
/** 
 * Updates device type details.
 * @param updatedValues contains the parameters to be updated<p> Refer to the <a href="https://docs.internetofthings.ibmcloud.com/swagger/v0002.html#!/Device_Types/put_device_types_typeId">link</a> for more information about the response</p>.
 * @param deviceType The type of device in String  
 * @updatedValues List of properties to be updated in Json
 * @return A JSON response containing the status of the update operation.
 * @throws IoTFCReSTException Failure in updating the device type
 */
public JsonObject updateDeviceType(String deviceType,JsonElement updatedValues) throws IoTFCReSTException {
  final String METHOD="String_Node_Str";
  StringBuilder sb=new StringBuilder("String_Node_Str");
  sb.append(orgId).append('.').append(BASIC_API_V0002_URL).append("String_Node_Str").append(deviceType);
  int code=0;
  JsonElement jsonResponse=null;
  HttpResponse response=null;
  try {
    response=connect("String_Node_Str",sb.toString(),updatedValues.toString(),null);
    code=response.getStatusLine().getStatusCode();
    if (code == 200 || code == 409) {
      String result=this.readContent(response,METHOD);
      jsonResponse=new JsonParser().parse(result);
      if (code == 200) {
        return jsonResponse.getAsJsonObject();
      }
    }
  }
 catch (  Exception e) {
    IoTFCReSTException ex=new IoTFCReSTException("String_Node_Str" + "String_Node_Str" + e.getMessage());
    ex.initCause(e);
    throw ex;
  }
  if (code == 401) {
    throw new IoTFCReSTException(code,"String_Node_Str");
  }
 else   if (code == 403) {
    throw new IoTFCReSTException(code,"String_Node_Str");
  }
 else   if (code == 404) {
    throw new IoTFCReSTException(code,"String_Node_Str");
  }
 else   if (code == 409) {
    throw new IoTFCReSTException(code,"String_Node_Str",jsonResponse);
  }
 else   if (code == 500) {
    throw new IoTFCReSTException(500,"String_Node_Str");
  }
  throwException(response,METHOD);
  return null;
}

Fixed version (ground truth):
/** 
 * Updates device type details.
 * @param updatedValues contains the parameters to be updated<p> Refer to the <a href="https://docs.internetofthings.ibmcloud.com/swagger/v0002.html#!/Device_Types/put_device_types_typeId">link</a> for more information about the response</p>.
 * @param deviceType The type of device in String  
 * @return A JSON response containing the status of the update operation.
 * @throws IoTFCReSTException Failure in updating the device type
 */
public JsonObject updateDeviceType(String deviceType,JsonElement updatedValues) throws IoTFCReSTException {
  final String METHOD="String_Node_Str";
  StringBuilder sb=new StringBuilder("String_Node_Str");
  sb.append(orgId).append('.').append(BASIC_API_V0002_URL).append("String_Node_Str").append(deviceType);
  int code=0;
  JsonElement jsonResponse=null;
  HttpResponse response=null;
  try {
    response=connect("String_Node_Str",sb.toString(),updatedValues.toString(),null);
    code=response.getStatusLine().getStatusCode();
    if (code == 200 || code == 409) {
      String result=this.readContent(response,METHOD);
      jsonResponse=new JsonParser().parse(result);
      if (code == 200) {
        return jsonResponse.getAsJsonObject();
      }
    }
  }
 catch (  Exception e) {
    IoTFCReSTException ex=new IoTFCReSTException("String_Node_Str" + "String_Node_Str" + e.getMessage());
    ex.initCause(e);
    throw ex;
  }
  if (code == 401) {
    throw new IoTFCReSTException(code,"String_Node_Str");
  }
 else   if (code == 403) {
    throw new IoTFCReSTException(code,"String_Node_Str");
  }
 else   if (code == 404) {
    throw new IoTFCReSTException(code,"String_Node_Str");
  }
 else   if (code == 409) {
    throw new IoTFCReSTException(code,"String_Node_Str",jsonResponse);
  }
 else   if (code == 500) {
    throw new IoTFCReSTException(500,"String_Node_Str");
  }
  throwException(response,METHOD);
  return null;
}