Heroku - Socket.IO客户端总是连接到本地主机

我想部署我的Node.js，Express.js，Socket.IO和基于React的应用程序到Heroku上。Heroku - Socket.IO客户端总是连接到本地主机

但是在客户端，socket.io-client似乎总是连接到本地主机，即使我在连接时从未指定过本地主机。

我得到这个错误在浏览器控制台：

bundle.js:208 Mixed Content: The page at 'https://test.herokuapp.com/#/test?_k=v7l28t' was loaded over HTTPS, but requested an insecure XMLHttpRequest endpoint 'http://localhost:3000/socket.io/?EIO=3&transport=polling&t=LLobEYP'. This request has been blocked; the content must be served over HTTPS.

如果我尝试打开它在http我得到一个连接被拒绝的错误：

bundle.js:208 GET http://localhost:3000/socket.io/?EIO=3&transport=polling&t=LLpAsLm net::ERR_CONNECTION_REFUSED

这里是我的服务器套接字的样子：

var express = require('express'); 
var app = express(); 
var server = http.createServer(app); 
var io = require('socket.io')(server); 
server.listen(port); 
io.on('connection', function(socket) { 
    socket.on('news', function(message) { 
    console.log("Responding with news"); 
    io.sockets.emit('news', 'news'); 
    }); 
});

而这里的客户端代码：

var io = require('socket.io-client'); 
var socket = io.connect(); 
socket.on('connect', function() { 
    console.log('connected to server'); 
    socket.emit('news', 'news'); 
});

加上的package.json：

{ 
    "name": "test-socket", 
    "version": "1.0.0", 
    "private": true, 
    "scripts": { 
    "dev-server": "nodemon ./bin/www", 
    "dev-client": "watchify -t [ envify --NOVE_ENV development ] -t [ babelify --presets [ react es2015 ] ] public/javascripts/index.js -o public/javascripts/build/bundle.js -v", 
    "dev": "concurrently \"npm run dev-server\" \"npm run dev-client\"", 
    "build": "browserify -t [ envify --NOVE_ENV production ] -t [ babelify --presets [ react es2015 ] ] -g uglifyify public/javascripts/index.js -o public/javascripts/build/bundle.js", 
    "start": "node ./bin/www" 
    }, 
    "dependencies": { 
    "body-parser": "~1.13.2", 
    "cookie-parser": "~1.3.5", 
    "debug": "~2.2.0", 
    "express": "~4.13.1", 
    "fakeredis": "^1.0.3", 
    "jade": "~1.11.0", 
    "lodash": "^4.11.1", 
    "material-ui": "^0.15.0-beta.2", 
    "mongoose": "^4.5.0", 
    "morgan": "~1.6.1", 
    "passport": "^0.3.2", 
    "passport-http": "^0.3.0", 
    "passport-local": "^1.0.0", 
    "react": "^15.0.1", 
    "react-bootstrap": "^0.28.5", 
    "react-dom": "^15.0.1", 
    "react-router": "^2.4.1", 
    "react-tap-event-plugin": "^1.0.0", 
    "redis": "^2.6.2", 
    "serve-favicon": "~2.3.0", 
    "socket.io": "^1.4.6", 
    "socket.io-client": "^1.4.6", 
    "whatwg-fetch": "^0.11.0" 
    }, 
    "devDependencies": { 
    "babel-preset-es2015": "^6.6.0", 
    "babel-preset-react": "^6.5.0", 
    "babelify": "^7.2.0", 
    "browserify": "^13.0.0", 
    "concurrently": "^2.1.0", 
    "envify": "^3.4.0", 
    "nodemon": "^1.9.2", 
    "uglifyify": "^3.0.1", 
    "watchify": "^3.7.0" 
    }, 
    "description": "", 
    "main": "app.js", 
    "author": "Harsha Bhat", 
    "license": "ISC" 
}

请让我知道，如果我在这里做得不对。感谢您的帮助:)

来源

2016-06-21 Harsha Bhat

你能不能把你的'package.json'打开你的网站？我相信可能有一个脚本调用localhost服务器 –

当然。添加相同。 –

打开您网站的http版本'http：// test.herokuapp.com'并且它应该可以工作 –

您的网站在https上运行，但在http上的套接字上运行。使用您的初始连接安全的URL，即代替"http://"使用"https://"

var socket = io.connect('https://test.herokuapp.com', {secure: true});

或者在http://test.herokuapp.com（无SSL）

来源

2016-06-21 12:06:53

即使我打开http，它仍然指向localhost：3000，并且出现此错误：net :: ERR_CONNECTION_REFUSED –

您可能已经获得硬编码url在某处，检查项目中是否有任何其他io.connect调用。至少为了测试目的而明确写入url –

Heroku - Socket.IO客户端总是连接到本地主机

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