Execute the below command using Gradle from the project directory:
./gradlew bootRunAlternatively, if you're using Maven, execute the following command from the project directory:
./mvnw spring-boot:runTo test the application, open a web browser and navigate to:
https://localhost:8443/

At this point, you should be able to complete a full login using Google OAuth 2 provider. The redirects that occur are as follows, first, we initiate the OAuth 2 provider login as shown in the following screenshot:

We are then redirected to the provider authorization page, requesting the user to grant permission to the jbcpcalendar application as shown in the following screenshot:
After authorizing the jbcpcalendar application, the user is redirected to the jbcpcalendar application and automatically logged in using the provider display name.

