I:\MongoDB\bin>mongo MongoDB shell version v3.4.10-58-g9847179 connecting to: mongodb://127.0.0.1:27017 2017-12-26T09:12:22.855+0800 W NETWORK [thread1] Failed to connect to 127.0.0.1 :27017 after 5000ms milliseconds, giving up. 2017-12-26T09:12:22.857+0800 E QUERY [thread1] Error: couldn't connect to ser ver 127.0.0.1:27017, connection attempt failed : connect@src/mongo/shell/mongo.js:240:13 @(connect):1:6 exception: connect failed
Windows下安装的MongoDB之前还在用突然间连不上了，
不知道怎么就任务给关闭了；启动一下MongoDB就可以了
net start MongoDB
