Forum: Rails deployment Mongrel won't start(Snow leopard)

I am trying to start the mongrel server on mac OS X 10.6.
This is the error I get. I am running rails 3.0.3


ruby$ mongrel_rails start
** Starting Mongrel listening at 0.0.0.0:3000
** Starting Rails with development environment...
/Users/ruby/Desktop/BOH/mail-2.2.12/ruby/1.8/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:239:in
`require': no such file to load -- dispatcher (LoadError)
  from
/Users/ruby/Desktop/BOH/mail-2.2.12/ruby/1.8/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:239:in
`require'
  from
/Users/ruby/Desktop/BOH/mail-2.2.12/ruby/1.8/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:225:in
`load_dependency'
  from
/Users/ruby/Desktop/BOH/mail-2.2.12/ruby/1.8/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:596:in
`new_constants_in'
  from
/Users/ruby/Desktop/BOH/mail-2.2.12/ruby/1.8/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:225:in
`load_dependency'
  from
/Users/ruby/Desktop/BOH/mail-2.2.12/ruby/1.8/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:239:in
`require'
  from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/rails.rb:148:in
`rails'
  from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/mongrel_rails:113:in
`cloaker_'
  from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/configurator.rb:149:in
`call'
  from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/configurator.rb:149:in
`listener'
  from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/mongrel_rails:99:in
`cloaker_'
  from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/configurator.rb:50:in
`call'
  from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/configurator.rb:50:in
`initialize'
  from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/mongrel_rails:84:in
`new'
  from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/mongrel_rails:84:in
`run'
  from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/command.rb:212:in
`run'
  from
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/mongrel_rails:281
  from /usr/bin/mongrel_rails:19:in `load'
  from /usr/bin/mongrel_rails:19