This sample demonstrates how to use Cloud SQL on Google App Engine Flexible.

Before you can run or deploy the sample, you will need to create a Cloud SQL instance)

1. Create a new user and database for the application. The easiest way to do this is via the Google Developers Console. Alternatively, you can use MySQL tools such as the command line client or workbench.
2. Change the root password (under Access Control) and / or create a new user / password.
3. Create a Database (under Databases) (or use MySQL with gcloud sql connect <instance> --user=root)
4. Note the Instance connection name under Overview > Properties (It will look like project:region:zone for 2nd Generation)

$ mvn clean appengine:deploy -DINSTANCE_CONNECTION_NAME=instanceConnectionName -Duser=root
-Dpassword=myPassword -Ddatabase=myDatabase

Or you can update the properties in pom.xml

$ mvn clean jetty:run -DINSTANCE_CONNECTION_NAME=instanceConnectionName -Duser=root -Dpassword=myPassowrd -Ddatabase=myDatabase