Rack Makes It Onto JRuby

Most Ruby developers should be familiar with Rack , an interface / library that abstracts away a lot of the banalities of hooking up application code to HTTP servers.

It’s used by several Ruby Web application frameworks already, some as a default - such as Merb, and others as an optional extra - such as Rails.

Rack is significant because it provides a standard for Web-facing Ruby applications and frameworks to adhere to and is rapidly becoming the...