Charles Oliver Nutter shows how to use Glassfish for Rails instead of Mongrel. I have strong doubts many Rails applications will be converted to JRuby just because of this, but once hosting your Rails app in JRuby becomes a viable alternative to Mongrel, Lighttpd, FastCGI etc., it’ll really be done.
This is a single archived entry from Stefan Tilkov’s blog. For more up-to-date content, check out my author page at INNOQ, which has more information about me and also contains a list of published talks, podcasts, and articles. Or you can check out the full archive.