code: private boolean handleException(final Throwable t,
                                    final HttpServletResponse resp,
                                    final boolean serverError) {
      if (serverError) {
        return true;
      }
  
      try {
        error(t);
        sendError(t, resp);
        return true;
      } catch (Throwable t1) {
        // Pretty much screwed if we get here
        return true;
      }
    }
docs: /* Return true if it's a server error