WEB-INF and the files and directories under it are not addressable via external HTTP URL requests. That's part of the
J2EE standard and not because of Tomcat or Eclipse. Any J2EE or JEE server would refuse to display this data.
The secret of how to be miserable is to constantly expect things are going to happen the way that they are "supposed" to happen.
You can have faith, which carries the understanding that you may be disappointed. Then there's being a willfully-blind idiot, which virtually guarantees it.