pymongo:无法连接到Mongab

Question

我在尝试连接蒙古包时遇到了这个错误。如Pyo-8中提到的其他答案。在

 connection=MongoClient("mongodb://usr:pass@host:port/data")

堆栈跟踪：

^{pr2}$

我也尝试过用命令行访问它，但失败了。在

mongo ds031711.mongolab.com:31711/data -u <dbuser> -p <dbpassword>

堆栈跟踪：

MongoDB shell version: 3.0.5
connecting to: ds031711.mongolab.com:31711/data
2015-10-02T10:40:21.662+0530 W NETWORK  Failed to connect to 54.159.76.238:31711
, reason: errno:10061 No connection could be made because the target machine act
ively refused it.
2015-10-02T10:40:21.670+0530 E QUERY    Error: couldn't connect to server ds0317
11.mongolab.com:31711 (54.159.76.238), connection attempt failed
    at connect (src/mongo/shell/mongo.js:181:14)
    at (connect):1:6 at src/mongo/shell/mongo.js:181
exception: connect failed

URI和用户名、密码正确。在