从NodeJS使用以下示例代码连接到MongoDB时遇到问题.我尝试运行“mongod”有或没有sudo,但nodejs代码仍然无法连接.我可以使用“mongo”成功连接数据库.
运行于:MAC OS 10.6.8
var mongoClient = require('mongodb').MongoClient; mongoClient.connect("mongodb://localhost:27017/test",function(error,db) { if(!error){ console.log("We are connected"); } else console.dir(error); });
得到以下错误运行上面的代码:[错误:连接到[localhost:27017]]
也尝试了mongoose但类似的错误:
var mongoose = require('mongoose'); mongoose.connect('mongodb://localhost/test'); var db = mongoose.connection; db.on('error',console.error.bind(console,'connection error:')); db.once('open',function callback () { console.log("DB connected"); // yay! });
输出:连接错误:[错误:无法连接到[localhost:27017]]
这是mongod的日志
mongod --help for help and startup options 2014-07-11T23:33:47.843-0700 kern.sched unavailable 2014-07-11T23:33:47.849-0700 [initandlisten] MongoDB starting : pid=29942 port=27017 dbpath=/data/db 64-bit host=usc8bcc8a0d0b1 2014-07-11T23:33:47.849-0700 [initandlisten] 2014-07-11T23:33:47.849-0700 [initandlisten] ** WARNING: soft rlimits too low. Number of files is 256,should be at least 1000 2014-07-11T23:33:47.849-0700 [initandlisten] db version v2.6.3 2014-07-11T23:33:47.849-0700 [initandlisten] git version: nogitversion 2014-07-11T23:33:47.849-0700 [initandlisten] build info: Darwin usc8bcc8a0d0b1 10.8.0 Darwin Kernel Version 10.8.0: Tue Jun 7 16:33:36 PDT 2011; root:xnu-1504.15.3~1/RELEASE_I386 i386 BOOST_LIB_VERSION=1_49 2014-07-11T23:33:47.849-0700 [initandlisten] allocator: system 2014-07-11T23:33:47.849-0700 [initandlisten] options: {} 2014-07-11T23:33:47.850-0700 [initandlisten] journal dir=/data/db/journal 2014-07-11T23:33:47.850-0700 [initandlisten] recover : no journal files present,no recovery needed 2014-07-11T23:33:47.901-0700 [initandlisten] waiting for connections on port 27017 2014-07-11T23:34:47.901-0700 [clientcursormon] mem (MB) res:48 virt:2810 2014-07-11T23:34:47.901-0700 [clientcursormon] mapped (incl journal view):320 2014-07-11T23:34:47.901-0700 [clientcursormon] connections:0