There is some settings to be made on Tomcat server, in absence of which you would get blank page with some exception in backend. I got the exception.
java.security.AccessControlException: access denied (javax.management.MBeanTrust Permission register)
After scratching head for long time, I found solution and it was:
Add these lines to java.policy file located in security folder inside lib of java installation directory.
permission javax.management.MBeanServerPermission "createMBeanServer";
permission javax.management.MBeanTrustPermission "register";
Restart server and exception is gone.