注意:对于那些在使用Redis时遇到困难的人,必须启动Redis服务器。在Windows上,有一个Redis分发版,请查看以下链接:https://github.com/dmajkic/redis/downloads,然后通过启动“redis-server.exe”来启动服务器。
我正在跟随Node.js教程。该教程使用Express和Redis。我安装了Redis和connect-redis(它们在package.json中被引用):
npm install redis connect-redis --save
在我的 server.js 文件中(仅提供有意义的部分):
var express = require('express');
var http = require('http');
var app = module.exports = express();
var RedisStore = require('connect-redis')(express);
var redis = require("redis").createClient();
app.configure(function(){
app.set('port', process.env.PORT || 3000);
app.set('views', __dirname + '/views');
console.log('views', __dirname + '/views');
app.set('view engine', 'jade'); //jade as template engine
app.use(express.favicon());
app.use(express.logger('dev'));
app.use(express.bodyParser());
app.use(express.methodOverride());
app.use(express.cookieParser());
app.use(express.session({
secret: "kqsdjfmlksdhfhzirzeoibrzecrbzuzefcuercazeafxzeokwdfzeijfxcerig",
store: new RedisStore({ host: 'localhost', port: 3000, client: redis })
}));
app.use(app.router);
app.use(express.static(__dirname + '/public'));
});
错误信息:
Express server listening on port 3000
[ERROR] Error
Error: Redis connection to 127.0.0.1:6379 failed - connect ECONNREFUSED
at RedisClient.on_error (D:\Programming\Screencasts\peepcode\nodejs\peepcode
-069-full-stack-nodejs-i-mov\code\roland\HotPie\node_modules\redis\index.js:140:
24)
at Socket.<anonymous> (D:\Programming\Screencasts\peepcode\nodejs\peepcode-0
69-full-stack-nodejs-i-mov\code\roland\HotPie\node_modules\redis\index.js:74:14)
at Socket.EventEmitter.emit (events.js:88:17)
at Socket._destroy.self.errorEmitted (net.js:329:14)
at process.startup.processNextTick.process._tickCallback (node.js:244:9)
[ERROR] Error
Error: Redis connection to 127.0.0.1:6379 failed - connect ECONNREFUSED
at RedisClient.on_error (D:\Programming\Screencasts\peepcode\nodejs\peepcode
-069-full-stack-nodejs-i-mov\code\roland\HotPie\node_modules\redis\index.js:140:
24)
at Socket.<anonymous> (D:\Programming\Screencasts\peepcode\nodejs\peepcode-0
Express开始监听3000端口,这正是我所期望的。Redis错误消息提到了在6379端口上的连接。如果我将redisClient传递给RedisStore,那么就会出现这种情况,这是我理解的将redis和RedisStore绑定所做的。
我正在Windows上开发。