[Solved]JwksError: Not found.(i don't know why)

const express = require('express');

const jwt = require('express-jwt'); // validate JWT and set req.user

const jwksRsa = require('jwks-rsa'); // Retrieve RSA key set form a JSON Web Key set(JWSK) endpoint

const checkScope = require('express-jwt-authz'); // validate JWT scopes


const checkJwt = jwt({

    // Dynamically provide a signing key based on the kid in the header

    // and signing the key provided by JWSK endpoint

    secret: jwksRsa.expressJwtSecret({

        cache: true, // cache the signing signature

        rateLimit: true,

        jwksRequestsPerMinute: 5, // preventing attackers form prventing more than 5 req per minute

        jwksUri: `https://${




    // validate audience and issuer

    audience: process.env.REACT_APP_AUTH0_AUDIENCE, // https://localhost:3001

    issuer: `https://${process.env.REACT_APP_AUTH0_DOMAIN}/`,

    algorithms: ["RS256"]


const app = express();

app.get('/public', function(req, res) {


        message: "hello from public API."



app.get('/private', checkJwt, function(req, res) {


        message: "hello from private API."



app.get('/course', checkJwt, checkScope(["read:courses"]), function(req, res) {


        courses: [

            { id: 1, title: "Building app with react and redux"},

            { id: 2, title: "Creating reusable react component"},





console.log("API server listening on "+ process.env.REACT_APP_API_URL);

You have a typo in your jwksURI

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