Where "$CATALINA HOME" is the root of the Tomcat installation directory. If you're seeing this page, and you don't think you should be, then either you're either a user who has arrived at new installation of Tomcat, or you're an administrator who hasn't got his/her setup quite right. Providing the latter is the case, please refer to the Tomcat Documentation. As to how it was mapped.). Users are defined in. Tomcat mailing lists are available at the Tomcat project web site:. For developers working on Tomcat.