code: protected static StringBuilder handleExceptionStart(Exception e) {
          LOG.warning(ExceptionUtils.getStackTrace(e));
          StringBuilder sb = new StringBuilder();
          if (e.getMessage() != null) {
              sb.append(e.getMessage()).append(". ");
          }
          if (e.getCause() != null && e.getCause().getMessage() != null) {
              sb.append(e.getCause().getMessage()).append(". ");
          }
          return sb;
      }
docs: TODO: move these methods into the dedicated utility class