Can you use a web server (such as Apache or nginx) to front-end WebCenter Content? If so, you can very easily make this happen with URL rewrites (instead of WebUrlMaps).
Thanks for your quick reply Jonathan. But we will not be able to use a web server to front end WebCenter content.
We will be invoking the jsp present in web center content from our application using WebUrlMaps i.e http://rws60121rems.us.oracle.com:16203/contentstorage/Ucm Folder1/helloWorld.jsp and we want the jsp to be executed, inorder to refer other files in that folder("UCM Folder1") relative to the jsp. So this is not achievable?