docs: @Override
      protected void doHeaders(RenderRequest request, RenderResponse response) {
          try {
              doDispatch(request, response);
          } catch (IOException | PortletException ex) {
              logger.error(
                      "Exception rendering headers for portlet "
                              + getPortletName()
                              + ". Aborting doHeaders",
                      ex);
          }
      }