after the server is started go to admin console http://localhost:7001/console provide username and password and then under deployments>>web applications find defaultWebApp web application check it and click deploy. After that, if you get a sucessful deply, you should be able to access the application using the url: http://localhost:7001/defaultWebApp/index.jsp. And you don't need that stuff on your weblogic xml, you may let it empty (only the root tag) for a start.
It would give a normal human mental abilities to rival mine. To think it is just a tiny ad: