How to avoid WSOD (blank screen) while loading long-running initialization data in Struts2?

Question

I need to do the following:

1. User logs in.
2. Redirected to welcome screen.
3. Looks at the welcome screen while lots of records are loaded.

Answer 1

Thank you for the AJAX idea.

However, the answer I was looking for was in fact Struts interceptor "execAndWait". I decided to use it over AJAX because I am dealing with existing application and all the Struts plumbing is in place. This is the Struts guide on this