Runs a Rack conform application inside Jetty WebServer
Ruby Java
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For the newer projects we decided to switch from MRI to JRuby. One of the bigger questions is certainly the deployment.

Reading and trying all the warbler stuff, we had enough of packaging and wanted to do it the Ruby/Sinatra way (with a standalone script, where one can consciously start things like run Sinatra::Application from a rackup script).

Embedding jetty is also mentioned in the jetty documentation "For many applications, HTTP is just another interface protocol. Jetty can easily be embedded in such applications and products without adopting a WWW centric application architecture."

So here is the solution:

  • write your Rack based application as usual
  • create a rackup script as usual; there is more information in the official tutorial
  • install jetty-rackup (this project), e.g. git clone git://
  • from your application folder run jetty-rackup. You can also provide a path to non-standard rackup-script and the desired port number for the server to run.

Now your application runs inside jetty servlet container. Enjoy!



#\ -p 8765
require 'rubygems'
gem 'sinatra', '~> 0.9.4'
require './my_app.rb'
set :run, false # disable built-in sinatra web server
set :environment, :development
set :base_url, 'http://xxtrial' # custom application option
run Sinatra::Application


The jetty and jruby-rack binaries are now provided for your convinience. But you can also download a different version of them, if you wish, from the official web sites of the respective projects:


What's the best way to set max memory?

jruby -J-Xmx2048m  /usr/local/lib/jetty-rackup/jetty-rackup


Tests ;-)

See also

For Rails deployment you may prefer jetty-rails


(c) 2009 Vodafone Group Services GmbH


Vladimir Dobriakov, innoQ Deutschland GmbH,

With contributions by Leandro Silva and Jason Rogers.

Further Credits