After using the .jar install, instructions on setting up HTTPS / SSL
Here is the How-To on this:
If using GoDaddy, here is a How-To from that CA:
You may be able to find a specific how-to and you should be sure to select TOMCAT when selecting to download the certificate from your CA if not using self signed. Self signed certs are covered in the first link above from apache.org.
This article was also created to help with forwarding HTTP to HTTPS which is a common question after enabling SSL.