.htaccess

Options +FollowSymLinks +ExecCGI
RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^(.*)$ /dispatch.cgi/$1 [QSA,L]
ErrorDocument 500 "Application error: Ruby Camping application failed to start properly

dispatch.cgi

#!/usr/bin/ruby

Dir.chdir '/path/to/your/camping/app'

require 'rubygems'
require 'rack'
require 'camping'

require 'your_camping_app.rb'

LOGPATH = File.dirname(__FILE__) + '/portal.log'

logger = Logger.new(LOGPATH)

module Rack
  class Request
    alias :original_rack_POST :POST
    
    def POST
      begin
        original_rack_POST
      rescue Errno::ESPIPE
        @env["rack.request.form_hash"]
      end
    end
    
  end
end

class OneAndOneCGIAdapter
    def initialize(app)
      @app = app
    end
    
    def call(env)
      env['SCRIPT_NAME'] = '/'

      begin
        @app.call(env)	
      rescue Exception => ex
        msg = '<h1>Error: ' + $! +'</h1><br/><ol>'
        ex.backtrace.each { | t | msg << '<li>' + t + '</li><br/>' }
        msg << '</ol>'
      
        logger = Logger.new(LOGPATH)
        logger.error msg
      
        [200,{"Content-Type" => "text/html"},msg]
      end
    end
end

adapter = OneAndOneCGIAdapter.new(YourCampingApp)

logger.info "start request for #{ENV['SCRIPT_URI']}"
Rack::Handler::CGI.run adapter , :Port => 80