This document discusses different web application frameworks and their common web servers. It lists Rails, Merb, Sinatra, and Camping as Ruby web frameworks that commonly use Passenger, Thin, Mongrel, or FastCGI web servers. It also lists Java web frameworks like Struts, Wicket, and Click that typically use web servers like Tomcat, GlassFish, WebSphere, and WebLogic. The document also briefly mentions using the Warbler gem to package Ruby web applications into WAR files for deployment to Java web servers.

4. $ jruby -S gem install rails
activerecord-jdbcposgresql-adapter
$ jruby -S rails lltv -d postgresql
$ vi config/database.yml
$ jruby script/server

5. Rails Passenger
Thin
Mongrel
FastCGI

6. Rails Passenger
Merb Thin
Sinatra Mongrel
Camping FastCGI

7. Rails Passenger
Merb Thin
Sinatra Mongrel
Camping FastCGI

8. Rails Passenger
Merb Thin
Rack
Sinatra Mongrel
Camping FastCGI

10. Struts Tomcat
Wicket GlassFish
Servlet API
Click WebSphere
Slim3 WebLogic

11. Java

13. $ jruby -S gem install warbler
$ warble

14. $ jruby -S gem install warbler
$ warble