D:\NodeWorkSpace\misclog1>node app.js Express server listening on port 3000
D:\NodeWorkSpace\misclog1\node_modules\connect-mongo\lib\connect-mongo.js:153
throw new Error(‘Error connecting to database’);
^
Error: Error connecting to database
at D:\NodeWorkSpace\misclog1\node_modules\connect-mongo\lib\connect-mongo.js
:153:17
at D:\NodeWorkSpace\misclog1\node_modules\connect-mongo\node_modules\mongodb
\lib\mongodb\db.js:229:16
at null.<anonymous> (D:\NodeWorkSpace\misclog1\node_modules\connect-mongo\no
de_modules\mongodb\lib\mongodb\connection\server.js:578:7)
at EventEmitter.emit (events.js:106:17)
at null.<anonymous> (D:\NodeWorkSpace\misclog1\node_modules\connect-mongo\no
de_modules\mongodb\lib\mongodb\connection\connection_pool.js:139:15)
at EventEmitter.emit (events.js:98:17)
at Socket.<anonymous> (D:\NodeWorkSpace\misclog1\node_modules\connect-mongo
node_modules\mongodb\lib\mongodb\connection\connection.js:475:10)
at Socket.EventEmitter.emit (events.js:95:17)
at net.js:426:14
at process._tickCallback (node.js:415:13)
按照开发指南一步一步做的，安装了mongodb 和connect-mongo 书上没说怎么建立数据库 就直接操作数据库了，我估计我连接不上也是数据库没建立，可我查了下，还不知道怎么建数据库（系统window7 ），是这个原因吗？怎么解决？麻烦下了大神。 难道是我的MongoDB 没安装？
