docs: private static void toOracleClobEmpty(final JSONObject jsonObject) {
          final Iterator<String> keys = jsonObject.keys();
          try {
              while (keys.hasNext()) {
                  final String name = keys.next();
                  final Object val = jsonObject.get(name);
                  if (val instanceof String) {
                      final String valStr = (String) val;
                      if (StringUtils.isBlank(valStr)) {
                          jsonObject.put(name, ORA_EMPTY_STR);
                      }
                  }
              }
          } catch (final JSONException e) {
              LOGGER.log(Level.ERROR, "Process oracle clob empty failed", e);
          }
      }