docs: public void handle() {
          try {
              for (handleIndex++; handleIndex < handlers.size(); handleIndex++) {
                  handlers.get(handleIndex).handle(this);
              }
          } catch (final Exception e) {
              final String requestLog = Requests.getLog(request);
              LOGGER.log(Level.ERROR, "Handler process failed: " + requestLog, e);
  
              setRenderer(new Http500Renderer(e));
          }
      }