com.mysql.jdbc.exceptions.jdbc4.CommunicationsException:

Question

I have a google app engine connected project with which I am trying to connect to a google cloud sql database.I upload my project to google and via it I try to connect to th

Answer 1

Instance Id by default contains the project Id. So don't explicitly add project Id again.

Project ID: sampleapp

Instance Id: sampleapp:instance1 (This is how google cloud sql creates by default)

Connections string:

Correct:

jdbc:google:mysql://sampleapp:instance1/dbname?user=root&password="+password+"useUnicode=true&characterEncoding=UTF-8";

In correct

jdbc:google:mysql://sampleapp:sampleapp:instance1/dbname?user=root&password="+password+"useUnicode=true&characterEncoding=UTF-8";