MongoDB starts Failed to connect to 127.0.0.1:27017, Reason: Unable to connect because the target computer is actively rejecting.

In the process of learning MongoDB, encountered a very depressed problem: The following--unable to connect to the 127.0.0.1 server

At first I looked at the information, the major gods are said to have not started MongoDB, but I was clearly launched, in fact, I did not wait, Mongo really did not start, need to wait a while, together with the result is this:

Then we can do it on the top!

MongoDB starts Failed to connect to 127.0.0.1:27017, Reason: Unable to connect because the target computer is actively rejecting.