This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
It appears that you haven't deployed any web applications to the Tomcat server.
What would pretty much seal the case is if the error pages you're getting are Tomcat's "404" Resource Not Found status pages, because in that case, you are accessing Tomcat, but Tomcat has no content to deliver.
An IDE is no substitute for an Intelligent Developer.