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TorqueBox Lite is a web-only, smaller cousin to TorqueBox. It doesn't support scheduled jobs, messaging, services, or any of the other non-web features of TorqueBox. What you do get is the great web performance of TorqueBox in a smaller package. Now that Heroku officially supports JRuby, it's easy to choose TorqueBox Lite as your web server.

Make sure you've created a JRuby application on Heroku and then simply add 'torquebox-lite' to your Gemfile and Procfile as shown below.

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08:41:30,006 INFO  [stdout] (JobScheduler$blah-knob.yml_Worker-2) Stats for Queue /queues/foo
08:41:30,006 INFO  [stdout] (JobScheduler$blah-knob.yml_Worker-2)   Paused: false
08:41:30,006 INFO  [stdout] (JobScheduler$blah-knob.yml_Worker-2)   Temporary: false
08:41:30,007 INFO  [stdout] (JobScheduler$blah-knob.yml_Worker-2)   Message Count: 0
08:41:30,007 INFO  [stdout] (JobScheduler$blah-knob.yml_Worker-2)   Delivering Count: 0
08:41:30,007 INFO  [stdout] (JobScheduler$blah-knob.yml_Worker-2)   Scheduled Count: 0
08:41:30,007 INFO  [stdout] (JobScheduler$blah-knob.yml_Worker-2)   Messages Added Since Creation: 6
08:41:30,007 INFO  [stdout] (JobScheduler$blah-knob.yml_Worker-2)   Consumer Count: 1
08:41:30,007 INFO  [stdout] (JobScheduler$blah-knob.yml_Worker-2)   Expiry Address: jms.queue.ExpiryQueue
08:41:30,007 INFO  [stdout] (JobScheduler$blah-knob.yml_Worker-2)   Dead Letter Address: jms.queue.DLQ

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@@ -42,6 +42,7 @@
         <extension module="org.torquebox.cdi"/>
         <extension module="org.projectodd.polyglot.hasingleton"/>
         <extension module="org.projectodd.polyglot.cache"/>
+        <extension module="org.projectodd.polyglot.stomp"/>
     </extensions>
 
     <system-properties>
@@ -405,7 +406,7 @@
         </subsystem>

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1.8.7-p357 :001 > $:.unshift('a')
 => ["a", "/Users/bbrowning/src/jruby/lib/ruby/site_ruby/1.8", "/Users/bbrowning/src/jruby/lib/ruby/shared", "/Users/bbrowning/src/jruby/lib/ruby/1.8", "."] 
1.8.7-p357 :002 > require 'test'
2012-07-27T15:19:48.228-04:00: LoadService: LoadService: trying builtinLib: test.rb
2012-07-27T15:19:48.228-04:00: LoadService: LoadService: trying builtinLib: test.class
2012-07-27T15:19:48.229-04:00: LoadService: LoadService: trying resourceFromLoadPath: '/Users/bbrowning/tmp/loadpaths/a/test.rb' true true
2012-07-27T15:19:48.229-04:00: LoadService: LoadService: found: file:/Users/bbrowning/tmp/loadpaths/a/test.rb
LOADING FROM a
 => true 
1.8.7-p357 :003 > $:.unshift('b')

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Below are the minimum changes required to get the underlying AS7 config file in TorqueBox 2.0.3 to work with TorqueBox 2.1.0. There's one diff for non-clustered environments (standalone.xml) and another for clustered environments (standalone-ha.xml).

If you are clustering without multicast, then you'll also need to add the attribute advertise='false' to the `` element in standalone-ha.xml in addition to the changes below.

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commit accb5763547fc74b60c0942354f97a72a6eb9bd3
Author: Ben Browning <bbrownin@redhat.com>
Date:   Mon May 14 10:17:10 2012 -0400

    Ruby's recursiveKey is read-only, doesn't need to be ThreadLocal (Fixes #162)

	Modified src/org/jruby/Ruby.java
diff --git a/src/org/jruby/Ruby.java b/src/org/jruby/Ruby.java
index feb66ce..5912532 100644
--- a/src/org/jruby/Ruby.java

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package org.jruby.test;

import junit.framework.TestCase;
import org.jruby.CompatVersion;

import org.jruby.Ruby;
import org.jruby.RubyInstanceConfig;

public class TestRecursiveCheck extends TestCase {
    private Ruby runtime;

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# saved as config/initializers/driver_manager.rb
class Java::java.sql::DriverManager
  class << self
    alias_method :get_connection_without_oracle, :getConnection
    def getConnection(*args)
      get_connection_without_oracle(*args)
    rescue => e
      if args.length == 2 && args[0] =~ /oracle/
        Java::oracle.jdbc.OracleDriver.new.connect(*args)
      else

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bbrowning@bbrowning-mbp:~/tmp/rails3.1_basic$ jruby -v
jruby 1.6.7 (ruby-1.8.7-p357) (2012-02-22 3e82bc8) (Java HotSpot(TM) 64-Bit Server VM 1.6.0_31) [darwin-x86_64-java]
bbrowning@bbrowning-mbp:~/tmp/rails3.1_basic$ PRESERVE_JAVA_OPTS=true torquebox run
bbrowning@bbrowning-mbp:~$ ab -c 7 -n 1000 -k http://localhost:8080/
This is ApacheBench, Version 2.3 <$Revision: 655654 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (be patient)
Completed 100 requests

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bbrowning@bbrowning-mbp:~/tmp/blah$ ls
config.ru
bbrowning@bbrowning-mbp:~/tmp/blah$ cat config.ru 
app = lambda { |env|
  [200, { 'Content-Type' => 'text/html' }, "Hello from JRuby 1.7\n" ]
}
run app
bbrowning@bbrowning-mbp:~/tmp/blah$ rvm install jruby-head
Already installed jruby-head.
To reinstall use: