problem when ran bundle viz

boot.rb

# Don't change this file!
# Configure your app in config/environment.rb and config/environments/*.rb

RAILS_ROOT = "#{File.dirname(__FILE__)}/.." unless defined?(RAILS_ROOT)

module Rails
  class << self
    def boot!
      unless booted?
        preinitialize
        pick_boot.run
      end
    end

    def booted?
      defined? Rails::Initializer
    end

    def pick_boot
      (vendor_rails? ? VendorBoot : GemBoot).new
    end

    def vendor_rails?
      File.exist?("#{RAILS_ROOT}/vendor/rails")
    end

    def preinitialize
      load(preinitializer_path) if File.exist?(preinitializer_path)
    end

    def preinitializer_path
      "#{RAILS_ROOT}/config/preinitializer.rb"
    end
  end

  class Boot
    def run
      load_initializer
      Rails::Initializer.run(:set_load_path)
    end
  end

  class VendorBoot < Boot
    def load_initializer
      require "#{RAILS_ROOT}/vendor/rails/railties/lib/initializer"
      Rails::Initializer.run(:install_gem_spec_stubs)
      Rails::GemDependency.add_frozen_gem_path
    end
  end

  class GemBoot < Boot
    def load_initializer
      self.class.load_rubygems
      load_rails_gem
      require 'initializer'
    end

    def load_rails_gem
      if version = self.class.gem_version
        gem 'rails', version
      else
        gem 'rails'
      end
    rescue Gem::LoadError => load_error
      $stderr.puts %(Missing the Rails #{version} gem. Please `gem install -v=#{version} rails`, update your RAILS_GEM_VERSION setting in config/environment.rb for the Rails version you do have installed, or comment out RAILS_GEM_VERSION to use the latest version installed.)
      exit 1
    end

    class << self
      def rubygems_version
        Gem::RubyGemsVersion rescue nil
      end

      def gem_version
        if defined? RAILS_GEM_VERSION
          RAILS_GEM_VERSION
        elsif ENV.include?('RAILS_GEM_VERSION')
          ENV['RAILS_GEM_VERSION']
        else
          parse_gem_version(read_environment_rb)
        end
      end

      def load_rubygems
        min_version = '1.3.2'
        require 'rubygems'
        unless rubygems_version >= min_version
          $stderr.puts %Q(Rails requires RubyGems >= #{min_version} (you have #{rubygems_version}). Please `gem update --system` and try again.)
          exit 1
        end

      rescue LoadError
        $stderr.puts %Q(Rails requires RubyGems >= #{min_version}. Please install RubyGems and try again: http://rubygems.rubyforge.org)
        exit 1
      end

      def parse_gem_version(text)
        $1 if text =~ /^[^#]*RAILS_GEM_VERSION\s*=\s*["']([!~<>=]*\s*[\d.]+)["']/
      end

      private
        def read_environment_rb
          File.read("#{RAILS_ROOT}/config/environment.rb")
        end
    end
  end
end

class Rails::Boot
  def run
    load_initializer

    Rails::Initializer.class_eval do
      def load_gems
        @bundler_loaded ||= Bundler.require :default, Rails.env
      end
    end

    Rails::Initializer.run(:set_load_path)
  end
end  

# All that for this:
Rails.boot!

environment.rb

# Be sure to restart your server when you modify this file

# Specifies gem version of Rails to use when vendor/rails is not present
RAILS_GEM_VERSION = '2.3.8' unless defined? RAILS_GEM_VERSION

# Bootstrap the Rails environment, frameworks, and default configuration
require File.join(File.dirname(__FILE__), 'boot')

Rails::Initializer.run do |config|
  # Settings in config/environments/* take precedence over those specified here.
  # Application configuration should go into files in config/initializers
  # -- all .rb files in that directory are automatically loaded.

  # Add additional load paths for your own custom dirs
  config.load_paths += %W( #{RAILS_ROOT}/app/sweepers )

  # Specify gems that this application depends on and have them installed with rake gems:install
  #config.gem "authlogic"

  # Only load the plugins named here, in the order given (default is alphabetical).
  # :all can be used as a placeholder for all plugins not explicitly named
  # config.plugins = [ :exception_notification, :ssl_requirement, :all ]

  # Skip frameworks you're not going to use. To use Rails without a database,
  # you must remove the Active Record framework.
  # config.frameworks -= [ :active_record, :active_resource, :action_mailer ]

  # Activate observers that should always be running
  # config.active_record.observers = :cacher, :garbage_collector, :forum_observer
    config.active_record.observers = :activity_observer

  # Set Time.zone default to the specified zone and make Active Record auto-convert to this zone.
  # Run "rake -D time" for a list of tasks for finding time zone names.
  config.time_zone = 'UTC'
  config.i18n.default_locale = 'en-US'
  # The default locale is :en and all translations from config/locales/*.rb,yml are auto loaded.
  # config.i18n.load_path += Dir[Rails.root.join('my', 'locales', '*.{rb,yml}')]
  # config.i18n.default_locale = :de
  


end

ExceptionBacktrace

Unfortunately, a fatal error has occurred. Please see the Bundler 
troubleshooting documentation at http://bit.ly/bundler-issues. Thanks! 
/home/sijokg/.rvm/gems/ruby-1.8.7-p358@visual/gems/bundler-1.1.4/lib/bundler/graph.rb:38:in `_populate_relations': undefined method `to_spec' for #<Bundler::Dependency:0xb743eee8> (NoMethodError)
	from /home/sijokg/.rvm/rubies/ruby-1.8.7-p358/lib/ruby/1.8/set.rb:195:in `each'
	from /home/sijokg/.rvm/rubies/ruby-1.8.7-p358/lib/ruby/1.8/set.rb:195:in `each_key'
	from /home/sijokg/.rvm/rubies/ruby-1.8.7-p358/lib/ruby/1.8/set.rb:195:in `each'
	from /home/sijokg/.rvm/gems/ruby-1.8.7-p358@visual/gems/bundler-1.1.4/lib/bundler/graph.rb:37:in `_populate_relations'
	from /home/sijokg/.rvm/gems/ruby-1.8.7-p358@visual/gems/bundler-1.1.4/lib/bundler/graph.rb:18:in `initialize'
	from /home/sijokg/.rvm/gems/ruby-1.8.7-p358@visual/gems/bundler-1.1.4/lib/bundler/cli.rb:519:in `new'
	from /home/sijokg/.rvm/gems/ruby-1.8.7-p358@visual/gems/bundler-1.1.4/lib/bundler/cli.rb:519:in `viz'
	from /home/sijokg/.rvm/gems/ruby-1.8.7-p358@visual/gems/bundler-1.1.4/lib/bundler/vendor/thor/task.rb:22:in `send'
	from /home/sijokg/.rvm/gems/ruby-1.8.7-p358@visual/gems/bundler-1.1.4/lib/bundler/vendor/thor/task.rb:22:in `run'
	from /home/sijokg/.rvm/gems/ruby-1.8.7-p358@visual/gems/bundler-1.1.4/lib/bundler/vendor/thor/invocation.rb:118:in `invoke_task'
	from /home/sijokg/.rvm/gems/ruby-1.8.7-p358@visual/gems/bundler-1.1.4/lib/bundler/vendor/thor.rb:263:in `dispatch'
	from /home/sijokg/.rvm/gems/ruby-1.8.7-p358@visual/gems/bundler-1.1.4/lib/bundler/vendor/thor/base.rb:386:in `start'
	from /home/sijokg/.rvm/gems/ruby-1.8.7-p358@visual/gems/bundler-1.1.4/bin/bundle:13
	from /home/sijokg/.rvm/gems/ruby-1.8.7-p358@visual/bin/bundle:19:in `load'
	from /home/sijokg/.rvm/gems/ruby-1.8.7-p358@visual/bin/bundle:19

Gemfile

source 'http://rubygems.org'

gem "rails", "2.3.8"

gem "rake", "~> 0.9.2.2"
gem "authlogic", "2.1.6"
gem "fastercsv" ,"1.5.4"
gem "postgres-pr" ,"0.6.3"
gem "rmagick", "~> 2.13.1", :require => "RMagick2"
gem "ar-extensions", "0.9.2"
gem "daemons", "1.1.8"
#Remove system_timer gem if we move to Ruby other than 1.8
gem "system_timer", "~> 1.2.4"


group :development do
  gem "mongrel", "1.1.5"
  gem "ruby-debug", "~> 0.10.4"
  gem "ruby-graphviz", "~> 1.0.5"
end

group :development, :test do
  gem 'rspec-rails', '~> 1.3.4' #Note . Rspec will be installed as a dependency
end

group :test do
  gem "capybara", "~> 0.3.9"
  gem "factory_girl", "~> 1.2.4"
end

Gemfile.lock

GEM
  remote: http://rubygems.org/
  specs:
    actionmailer (2.3.8)
      actionpack (= 2.3.8)
    actionpack (2.3.8)
      activesupport (= 2.3.8)
      rack (~> 1.1.0)
    activerecord (2.3.8)
      activesupport (= 2.3.8)
    activeresource (2.3.8)
      activesupport (= 2.3.8)
    activesupport (2.3.8)
    addressable (2.2.8)
    ar-extensions (0.9.2)
      activerecord (>= 2.1.2)
    authlogic (2.1.6)
      activesupport
    capybara (0.3.9)
      culerity (>= 0.2.4)
      mime-types (>= 1.16)
      nokogiri (>= 1.3.3)
      rack (>= 1.0.0)
      rack-test (>= 0.5.4)
      selenium-webdriver (>= 0.0.3)
    cgi_multipart_eof_fix (2.5.0)
    childprocess (0.3.2)
      ffi (~> 1.0.6)
    columnize (0.3.6)
    culerity (0.2.15)
    daemons (1.1.8)
    factory_girl (1.2.4)
    fastercsv (1.5.4)
    fastthread (1.0.7)
    ffi (1.0.11)
    gem_plugin (0.2.3)
    libwebsocket (0.1.3)
      addressable
    linecache (0.46)
      rbx-require-relative (> 0.0.4)
    mime-types (1.18)
    mongrel (1.1.5)
      cgi_multipart_eof_fix (>= 2.4)
      daemons (>= 1.0.3)
      fastthread (>= 1.0.1)
      gem_plugin (>= 0.2.3)
    multi_json (1.3.4)
    nokogiri (1.5.2)
    postgres-pr (0.6.3)
    rack (1.1.3)
    rack-test (0.6.1)
      rack (>= 1.0)
    rails (2.3.8)
      actionmailer (= 2.3.8)
      actionpack (= 2.3.8)
      activerecord (= 2.3.8)
      activeresource (= 2.3.8)
      activesupport (= 2.3.8)
      rake (>= 0.8.3)
    rake (0.9.2.2)
    rbx-require-relative (0.0.9)
    rmagick (2.13.1)
    rspec (1.3.2)
    rspec-rails (1.3.4)
      rack (>= 1.0.0)
      rspec (~> 1.3.1)
    ruby-debug (0.10.4)
      columnize (>= 0.1)
      ruby-debug-base (~> 0.10.4.0)
    ruby-debug-base (0.10.4)
      linecache (>= 0.3)
    ruby-graphviz (1.0.5)
    rubyzip (0.9.8)
    selenium-webdriver (2.21.2)
      childprocess (>= 0.2.5)
      ffi (~> 1.0)
      libwebsocket (~> 0.1.3)
      multi_json (~> 1.0)
      rubyzip
    system_timer (1.2.4)

PLATFORMS
  ruby

DEPENDENCIES
  ar-extensions (= 0.9.2)
  authlogic (= 2.1.6)
  capybara (~> 0.3.9)
  daemons (= 1.1.8)
  factory_girl (~> 1.2.4)
  fastercsv (= 1.5.4)
  mongrel (= 1.1.5)
  postgres-pr (= 0.6.3)
  rails (= 2.3.8)
  rake (~> 0.9.2.2)
  rmagick (~> 2.13.1)
  rspec-rails (~> 1.3.4)
  ruby-debug (~> 0.10.4)
  ruby-graphviz (~> 1.0.5)
  system_timer (~> 1.2.4)

preinitializer.rb

begin
  require "rubygems"
  require "bundler"
rescue LoadError
  raise "Could not load the bundler gem. Install it with `gem install bundler`."
end

if Gem::Version.new(Bundler::VERSION) <= Gem::Version.new("0.9.24")
  raise RuntimeError, "Your bundler version is too old for Rails 2.3." +
   "Run `gem install bundler` to upgrade."
end

begin
  # Set up load paths for all bundled gems
  ENV["BUNDLE_GEMFILE"] = File.expand_path("../../Gemfile", __FILE__)
  Bundler.setup
rescue Bundler::GemNotFound
  raise RuntimeError, "Bundler couldn't find some gems." +
    "Did you run `bundle install`?"
end

ruby-graphviz

The command you ran
   bundle viz
Exception backtrace(s), if any
   Attached below as ExceptionBacktrace
Your Gemfile
   Attached below as Gemfile
Your Gemfile.lock
   Attached below as Gemfile.lock
Your Bundler configuration settings (run bundle config)
   Nothing there
What version of bundler you are using (run bundle -v)
   Bundler version 1.1.4
What version of Ruby you are using (run ruby -v)
   ruby 1.8.7 (2012-02-08 patchlevel 358) [i686-linux]
What version of Rubygems you are using (run gem -v)
   1.4.2
Whether you are using RVM, and if so what version (run rvm -v)
   rvm 1.11.6 (stable) by Wayne E. Seguin <wayneeseguin@gmail.com>, Michal Papis <mpapis@gmail.com> [https://rvm.beginrescueend.com/]
Whether you have the rubygems-bundler gem, which can break gem binares
    Not using
Whether you have the open_gem gem, which can cause rake activation conflicts
   Not using
 
I am using Rails2.3.8 on fedora14 Below attached 
    boot.rb
    preinitializer.rb
    environment.rb

it may be your rubygems version, per bundler issue 1993