错误：听EADDRINUSE 3443

我有两个app.listens在代码中，我得到一个错误，当我把他们中的一个，authentication停止工作，我该如何解决这个问题，我试图实现护照js到我的应用程序（我已经一个教程，我有护照js示例工作我只是想实现它到myproject）这是我得到以下错误

这里截图

  'use strict' const express = require('express') const fs = require('fs') const https =require('https') const path = require('path') var app = express(); var bodyParser = require('body-parser'); var morgan = require('morgan'); var mongoose = require('mongoose'); var jwt = require('jsonwebtoken'); // used to create, sign, and verify tokens var config = require('./config'); // get our config file var Index = require('./api/planner/index'); // get our mongoose model var port = process.env.PORT || 3443; // used to create, sign, and verify tokens mongoose.connect(config.database); // connect to database app.set('superSecret', config.secret); // secret variable // use body parser so we can get info from POST and/or URL parameters app.use(bodyParser.urlencoded({ extended: false })); app.use(bodyParser.json()); // use morgan to log requests to the console app.use(morgan('dev')); // ======================= // routes ================ // ======================= // basic route app.get('/', function(req, res) { res.send('Hello! The API is at http://localhost:' + port + '/api'); }); // API ROUTES ------------------- // get an instance of the router for api routes var apiRoutes = express.Router(); // TODO: route to authenticate a user (POST http://localhost:8080/api/authenticate) apiRoutes.post('/authenticate', function(req, res) { // find the user User.findOne({ name: req.body.name }, function(err, user) { if (err) throw err; if (!user) { res.json({ success: false, message: 'Authentication failed. User not found.' }); } else if (user) { // check if password matches if (user.password != req.body.password) { res.json({ success: false, message: 'Authentication failed. Wrong password.' }); } else { // if user is found and password is right // create a token var token = jwt.sign(user, app.get('superSecret'), { expiresIn: 1440 // expires in 24 hours }); // return the information including token as JSON res.json({ success: true, message: 'Enjoy your token!', token: token }); } } }); }); // TODO: route middleware to verify a token apiRoutes.use(function(req, res, next) { // check header or url parameters or post parameters for token var token = req.body.token || req.query.token || req.headers['x-access-token']; // decode token if (token) { // verifies secret and checks exp jwt.verify(token, app.get('superSecret'), function(err, decoded) { if (err) { return res.json({ success: false, message: 'Failed to authenticate token.' }); } else { // if everything is good, save to request for use in other routes req.decoded = decoded; next(); } }); } else { // if there is no token // return an error return res.status(403).send({ success: false, message: 'No token provided.' }); } }); // route to show a random message (GET http://localhost:8080/api/) apiRoutes.get('/', function(req, res) { res.json({ message: 'Welcome to the coolest API on earth!' }); }); // route to return all users (GET http://localhost:8080/api/users) apiRoutes.get('/users', function(req, res) { User.find({}, function(err, users) { res.json(users); }); }); // apply the routes to our application with the prefix /api app.use('/api', apiRoutes); // we'll get to these in a second app.get('/setup', function(req, res) { // create a sample user var nick = new User({ name: 'Nick Cerminara', password: 'password', admin: true }); // save the sample user nick.save(function(err) { if (err) throw err; console.log('User saved successfully'); res.json({ success: true }); }); }); // ======================= // start the server ====== // ======================= app.listen(port); console.log('Magic happens at http://localhost:' + port); const directoryToServe = 'client' //const port = 3443 app.use('/',express.static(path.join(__dirname,'..',directoryToServe))) const httpsOptions = { cert: fs.readFileSync(path.join(__dirname,'ssl','server.crt')), key: fs.readFileSync(path.join(__dirname,'ssl','server.key')) } https.createServer(httpsOptions, app) .listen(port, function() { console.log(`Serving the ${directoryToServe}/directory at https://localhost:${port}`)}) var bodyParser = require('body-parser'); app.use(bodyParser.json()); app app.get('/', function(request, response) { response.writeHead(200, {"Content-Type": "text/plain"}); response.end("We're up and running!!!"); }); var plan = require('./api/planner/index'); app.get('/api/planner',plan.index); app.post('/api/planner',plan.create); app.put('/api/planner/:id',plan.update); app.delete('/api/planner/:id',plan.delete); console.log("Server running at http://127.0.0.1:8000/"); // 

Answer 1

这个错误可能是由于使用一个繁忙的端口造成的。 如果您使用的是Ubuntu，您可以通过lsof -i:portnumber来检查端口的状态。 运行命令后，你将有一个PID。 你可以通过kill -9 pid来释放端口。

Windows和Mac有类似的命令。