2015-08-22 40 views
0

我在Cloud9中使用快速生成器,并且无法将我的节点应用程序连接到mongodb。我可以让mongodb运行得很好,但只要我尝试执行'npm start'来运行我的节点应用程序并将它连接起来,我只是得到一个错误。看起来最重要的部分错误是应用程序在尝试运行/ bin/www时失败,这看起来似乎是大多数人似乎命名他们的'server.js'文件的快速生成器版本。任何帮助将深表感谢。这是我的错误输出:无法使用快速生成器模板连接到Cloud9中的MongoDB

[email protected]:~/workspace/nihongo-mnemonics (master) $ npm start 
> [email protected] start /home/ubuntu/workspace/nihongo-mnemonics 
> node ./bin/www 
/home/ubuntu/workspace/nihongo-mnemonics/node_modules/mongoose 
/node_modules/mongodb/lib/server.js:228 
process.nextTick(function() { throw err; }) 
Error: connect ECONNREFUSED 
at errnoException (net.js:905:11) 
at Object.afterConnect [as oncomplete] (net.js:896:19) 
npm ERR! [email protected] start: `node ./bin/www` 
npm ERR! Exit status 8 
npm ERR! 
npm ERR! Failed at the [email protected] start script. 
npm ERR! This is most likely a problem with the nihongo-mnemonics 
package, 
npm ERR! not with npm itself. 
npm ERR! Tell the author that this fails on your system: 
npm ERR!  node ./bin/www 
npm ERR! You can get their info via: 
npm ERR!  npm owner ls nihongo-mnemonics 
npm ERR! There is likely additional logging output above. 
npm ERR! System Linux 3.14.13-c9 
npm ERR! command "/home/ubuntu/.nvm/v0.10.35/bin/node" "/home/ubuntu 
/.nvm/v0.10.35/bin/npm" "start" 
npm ERR! cwd /home/ubuntu/workspace/nihongo-mnemonics 
npm ERR! node -v v0.10.35 
npm ERR! npm -v 1.4.28 
npm ERR! code ELIFECYCLE 
npm ERR! 
npm ERR! Additional logging details can be found in: 
npm ERR!  /home/ubuntu/workspace/nihongo-mnemonics/npm-debug.log 
npm ERR! not ok code 0 

app.js:

var express = require('express'); 
var path = require('path'); 
var favicon = require('serve-favicon'); 
var logger = require('morgan'); 
var cookieParser = require('cookie-parser'); 
var bodyParser = require('body-parser'); 
var mongoose = require('mongoose'); 

var routes = require('./routes/index'); 
var users = require('./routes/users'); 
var app = express(); 


// view engine setup 
app.set('views', path.join(__dirname, 'views')); 
app.set('view engine', 'ejs'); 

//connect to local database 
mongoose.connect("mongodb://"+process.env.IP+":27017/data/mydb"); 
// uncomment after placing your favicon in /public 
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico'))); 
app.use(logger('dev')); 
app.use(bodyParser.json()); 
app.use(bodyParser.urlencoded({ extended: false })); 
app.use(cookieParser()); 
app.use(express.static(path.join(__dirname, 'public'))); 

app.use('/', routes); 
app.use('/users', users); 

// catch 404 and forward to error handler 
app.use(function(req, res, next) { 
var err = new Error('Not Found'); 
err.status = 404; 
next(err); 
}); 

// error handlers 

// development error handler 
// will print stacktrace 
if (app.get('env') === 'development') { 
app.use(function(err, req, res, next) { 
res.status(err.status || 500); 
res.render('error', { 
message: err.message, 
error: err 
}); 
}); 
} 

// production error handler 
// no stacktraces leaked to user 
app.use(function(err, req, res, next) { 
res.status(err.status || 500); 
res.render('error', { 
message: err.message, 
error: {} 
}); 
}); 


module.exports = app; 

和/斌/ WWW:

#!/usr/bin/env node 

/** 
* Module dependencies. 
*/ 

var app = require('../app'); 
var debug = require('debug')('nihongo-mnemonics:server'); 
var http = require('http'); 

/** 
* Get port from environment and store in Express. 
*/ 

var port = normalizePort(process.env.PORT || '3000'); 
app.set('port', port); 

/** 
* Create HTTP server. 
*/ 

var server = http.createServer(app); 

/** 
* Listen on provided port, on all network interfaces. 
*/ 

server.listen(port); 
server.on('error', onError); 
server.on('listening', onListening); 

/** 
* Normalize a port into a number, string, or false. 
*/ 

function normalizePort(val) { 
var port = parseInt(val, 10); 

if (isNaN(port)) { 
// named pipe 
return val; 
} 

if (port >= 0) { 
// port number 
return port; 
} 

return false; 
} 

/** 
* Event listener for HTTP server "error" event. 
*/ 

function onError(error) { 
if (error.syscall !== 'listen') { 
throw error; 
} 

var bind = typeof port === 'string' 
? 'Pipe ' + port 
: 'Port ' + port; 

// handle specific listen errors with friendly messages 
switch (error.code) { 
case 'EACCES': 
console.error(bind + ' requires elevated privileges'); 
process.exit(1); 
break; 
case 'EADDRINUSE': 
console.error(bind + ' is already in use'); 
process.exit(1); 
break; 
default: 
throw error; 
} 
} 

/** 
* Event listener for HTTP server "listening" event. 
*/ 

function onListening() { 
var addr = server.address(); 
var bind = typeof addr === 'string' 
? 'pipe ' + addr 
: 'port ' + addr.port; 
debug('Listening on ' + bind); 
} 

回答

0

我会替换该行

mongoose.connect("mongodb://"+process.env.IP+":27017/data/mydb"); 

mongoose.connect("mongodb://localhost:27017/mydb"); 

我知道他们建议您使用process.env.IP来代替,但我没有这样做。 Mongoose还希望数据库名称在“... 27017/...”之后。你有文件路径。即使你的数据库可能在文件夹数据猫鼬只需要数据库名称。即使实际的数据库没有任何记录,它也会创建数据库并将其命名为“27017/...”。

祝你好运!希望这可以帮助