To see JavaServer Faces and Java EE in action, in this article, you will build a simple microblog web application. Visitor of your application, without having to authenticate themselves, will be able to see every publication that your users add. However, to share their thoughts through the app, first, visitors will have to authenticate themselves through Auth0. The goal here is to have a sample application that is both complete (in the sense of having public and protected views) and easy to grasp (without complex and long source code).
For further actions, you may consider blocking this person and/or reporting abuse