Unable to Open Data Mapper

Situation:

I am getting the

Error Incorrect URL: 

when I try to open a map. I tried clearing the java cache as this post states, but still not able to open a map. I turned on the java console and the error it gets is below:

java.net.SocketTimeoutException: Read timed out

In the WebRunnerApplication.log file, it shows:

org.eclipse.jetty.io.EofException

...

Caused by: java.io.IOException: Broken pipe

...

Caused by: java.io.IOException: Connection reset by peer

Cause:

Generally these types of errors indicate a network issue between the data mapper and the backend database.

For example, a duplexing issue on a server that would cause unexpected latency

Solution:

Confirm there are no existing network issues, especially between the Adeptia server and backend database