Setup and Login to the Tomcat Manager URL without 401 or 403 errors

Need to configure Tomcat Manager and login to the Tomcat Manager URL? In this quick Apache Tomcat Manager tutorial, we’ll provide an example of how to add users to the Tomcat Manager and Tomcat Host Manager, and then login to the application through the Tomcat Manager URL. If you have encountered Tomcat Manager 401 or 403 authentication errors, then these edits to the users file will help you avoid any future Tomcat Manager authentication problems.