docs: protected void storeInitialLocation(final HttpServerExchange exchange, byte[] bytes, int contentLength) {
          if(!saveOriginalRequest) {
              return;
          }
          final ServletRequestContext servletRequestContext = exchange.getAttachment(ServletRequestContext.ATTACHMENT_KEY);
          HttpSessionImpl httpSession = servletRequestContext.getCurrentServletContext().getSession(exchange, true);
          Session session;
          if (System.getSecurityManager() == null) {
              session = httpSession.getSession();
          } else {
              session = AccessController.doPrivileged(new HttpSessionImpl.UnwrapSessionAction(httpSession));
          }
          SessionManager manager = session.getSessionManager();
          if (seenSessionManagers.add(manager)) {
              manager.registerSessionListener(LISTENER);
          }
          session.setAttribute(SESSION_KEY, RedirectBuilder.redirect(exchange, exchange.getRelativePath()));
          if(bytes == null) {
              SavedRequest.trySaveRequest(exchange);
          } else {
              SavedRequest.trySaveRequest(exchange, bytes, contentLength);
          }
      }