HTTPRuntime.Cache is not HttpContext.Current.Cache

It took me 3 days to figure out that

HTTPRuntime.Cache is not HttpContext.Current.Cache.

Well actually it is, but HttpContext.Current.Cache sometime returns nulls. If this is happening to you I recommended checking out the page below for more information on this.

http://weblogs.asp.net/pjohnson/archive/2006/02/06/437559.aspx