Expressjs不加载在heroku样式表，给500错误

Question

我在heroku上运行Expressjs安装，它不加载样式表。

我按Ctrl + U，然后单击样式表链接，出现此错误：

TypeError: Object #<SendStream> has no method 'on' 
    at Object.static [as handle] (/app/node_modules/express/node_modules/connect/lib/middleware/static.js:75:8) 
    at next (/app/node_modules/express/node_modules/connect/lib/proto.js:190:15) 

当我去“/stylesheets/style.css”的网址我得到这个错误：

Express 
500 TypeError: Object #<SendStream> has no method 'on' 

    at Object.static [as handle] (/app/node_modules/express/node_modules/connect/lib/middleware/static.js:75:8) 
    at next (/app/node_modules/express/node_modules/connect/lib/proto.js:190:15) 
    at /app/node_modules/stylus/lib/middleware.js:174:46 
    at /app/node_modules/stylus/lib/middleware.js:208:20 

一切工作正常本地。

这里是的package.json

{ 
    "name": "app-name", 
     "version": "0.0.1", 
     "private": true, 
     "scripts": { 
     "start": "node app" 
    }, 
    "dependencies": { 
     "express": "3.0.0rc1", 
     "jade": "*", 
     "stylus": "*" 
    } 
    } 

的app.js：

/** 
* Module dependencies. 
*/ 
var express = require('express') 
    , routes = require('./routes') 
    , http = require('http') 
    , path = require('path'); 

var app = express(); 

app.configure(function(){ 
    app.set('port', process.env.PORT || 3000); 
    app.set('views', __dirname + '/views'); 
    app.set('view engine', 'jade'); 
    app.use(express.favicon()); 
    app.use(express.logger('dev')); 
    app.use(express.bodyParser()); 
    app.use(express.methodOverride()); 
    app.use(app.router); 
    app.use(require('stylus').middleware(__dirname + '/public')); 
    app.use(express.static(path.join(__dirname, 'public'))); 
}); 

app.configure('development', function(){ 
    app.use(express.errorHandler()); 
}); 

app.get('/', routes.index); 
app.get('/about', routes.about); 

http.createServer(app).listen(app.get('port'), function(){ 
    console.log("Express server listening on port " + app.get('port')); 
}); 

的Procfile：

web: node app.js 

如果我保持清爽，它崩溃的应用程序。

Answer 1

我能够通过在指定的package.json发动机的依赖，以解决这个

{ 
    "name": "app-name", 
    "version": "0.0.1", 
    "private": true, 
    "scripts": { 
    "start": "node app" 
    }, 
    "dependencies": { 
    "express": "3.0.0rc1", 
    "jade": "*", 
    "stylus": "*" 
    }, 
    "engines": { 
    "node": "0.8.4", 
    "npm": "1.1.41" 
    } 
} 

Answer 2

我找到了答案！ 你得到了应用推送的错误运行到云 你可以这样做

vmc push yourappname --runtime node08 

我希望我可以帮助你

Answer 3

我有同样的问题，发现运行下面的命令（通过Heroku的CLI）为我工作：

heroku上配置：添加NODE_ENV =生产

这是结合指定节点和NPM的版本作为西拉斯提及。

（via http://quickleft.com/blog/getting-started-with-express-in-node）