request size did not match content length about uwebsockets-express HOT 6 CLOSED

   var uWebSockets_js_1 = require("uWebSockets.js");
    var uwebsockets_express_1 = require("uwebsockets-express");
    var uwsApp = uWebSockets_js_1.App();
    var app = (0, uwebsockets_express_1.default)(uwsApp);

    var compression = require('compression');
    app.use(compression({ filter: shouldCompress }))
    function shouldCompress(req, res) {
      if (req.headers['x-no-compression']) {
        // don't compress responses with this request header
        return false
      }
      // fallback to standard filter function
      return compression.filter(req, res)
    }

    http.createServer(function (req, res) {
          app(req, res); /*loggerMod(req, res);*/
        });`
    
     app.listen(1880, function (err) {
          if (err) {
            log.error(log._("server.unable-to-listen", {  }));
          } else {
            // register routes
            app.get("/test_endpoint", function (req, res) {
              res.json({ hello: "world!" });
            });

    uwsApp.get('/internal_healthcheck', (res, req) => {
      res.writeStatus('200 OK').writeHeader('IsAlive', 'Yes').end('{"status":"active","time":"' + Date.now() + '"}');
    })

    app.get('/healthcheck', (req, res) => {
      res.setHeader('Content-Type', 'application/json');
      res.send('{"status":"active","time":"' + Date.now() + '"}');
    });

    app.post("/postAPI", auth.needsPermission("nodes.read"), (req, res)=> {
          //here get an error (not every time, sometimes), currently we are load test on this API with jmeter
    });
 }