https://www.infoq.com/news/JRuby-0.9-Released-Enebo/
Released today, the JRuby 0.9 interpreter for Java can now run RubyGems, the WEBrick Ruby HTTP server, and Ruby on Rails. JRuby co-lead Thomas Enebo told InfoQ...
jrubyreleasedrunswebrickrails
https://deployingjruby.blogspot.com/2012/05/zero-downtime-deploys-with-jruby.html
One of the most common questions I get from readers of my book is about zero-downtime deployment. That is, how do you deploy new versions ...
deployingjrubyzerodowntimedeploys
https://www.ibm.com/docs/en/db2/11.5.x?topic=rr-db-ruby-driver-rails-adapter-are-not-supported-jruby
The IBM_DB adapter is not supported on JRuby.
ibmdbrubydriverrails