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/
Try logging in with the username user1@example.com and the password user1.
Next, try accessing the Vacation Event using the link on the Welcome page.
You should now see the Access Denied page.
If you log in using the username user2@example.com and the password user2, the Vacation Event will display as expected since user2@example.com is the attendee at the Vacation Event.
