Spring Security how to show error in my thymelaf login page if maxSessionsPreventsLogin set to true and some user with my login credentials try to log in?

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Comment From: eleftherias

It looks like you have already asked this question on Stack Overflow, so I will go ahead and close it here. Stack Overflow question for reference: https://stackoverflow.com/questions/43886097/how-to-show-error-in-my-thymelaf-login-page-if-maxsessionspreventslogin-set-to-t