Request and Error when I try to visit the homepage

exchange.js.erb

var exchange_rates = {
  <%= ExchangeRate::CURRENCIES.collect {|currency| "'#{currency}':#{CurrencyExchange.currency_exchange(100, 'USD', currency).to_f / 100}"}.join(',') %>
}

The Error

Started GET "/" for 127.0.0.1 at 2011-12-30 15:01:53 -0500
  Processing by HomeController#index as HTML
  News Load (0.7ms)  SELECT `items`.* FROM `items` WHERE `items`.`type` IN ('News') AND (sponsored = 1 AND active = 1 AND temp = 0 AND avatar_id is not null) ORDER BY created_at desc LIMIT 3
  News Load (0.6ms)  SELECT `items`.* FROM `items` WHERE `items`.`type` IN ('News') ORDER BY created_at desc LIMIT 3
Completed 200 OK in 74ms (Views: 3.0ms | ActiveRecord: 62.6ms | Sphinx: 0.0ms)
cache: [GET /] miss
Dalli::Server#connect 127.0.0.1:11211
127.0.0.1:11211 failed (count: 2)
127.0.0.1:11211 is still down (for 74.233 seconds now)
  Resource Load (1.8ms)  SELECT `resources`.* FROM `resources` WHERE `resources`.`title` = 'Home' LIMIT 1
down_retry_delay not reached for 127.0.0.1:11211 (0.993 seconds left)
Compiled application.js  (67ms)  (pid 19405)
  ExchangeRate Load (1.4ms)  SELECT `exchange_rates`.* FROM `exchange_rates` WHERE `exchange_rates`.`currency` = 'USD' LIMIT 1
  ExchangeRate Load (0.2ms)  SELECT `exchange_rates`.* FROM `exchange_rates` 
Rendered layouts/_application_includes.html.erb (815.2ms)
Rendered home/index.html.erb within layouts/application (825.8ms)

ActionView::Template::Error (uninitialized constant ExchangeRateParser::ParseDate
  (in /Users/dc/rails_projects/h3d/app/assets/javascripts/exchange.js.erb)):
    1: <%= stylesheet_link_tag 'application', :media => 'all' %>
    2: <%#= javascript_include_tag "https://ajax.googleapis.com/ajax/libs/swfobject/2.2/swfobject.js"  %>
    3: 
    4: <%= javascript_include_tag 'application' %>
    5: 
    6: <%= yield :javascripts %>
    7: 
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/rake-0.9.2.2/lib/rake/ext/module.rb:36:in `const_missing'
  /Users/dc/rails_projects/h3d/vendor/plugins/currencyexchange/lib/rails_connection/currency_exchange.rb:98:in `xml_date'
  /Users/dc/rails_projects/h3d/vendor/plugins/currencyexchange/lib/rails_connection/currency_exchange.rb:86:in `block in parse_rates_for_currency'
  /Users/dc/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/1.9.1/rexml/element.rb:905:in `block in each'
  /Users/dc/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/1.9.1/rexml/xpath.rb:67:in `each'
  /Users/dc/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/1.9.1/rexml/xpath.rb:67:in `each'
  /Users/dc/.rvm/rubies/ruby-1.9.3-p0/lib/ruby/1.9.1/rexml/element.rb:905:in `each'
  /Users/dc/rails_projects/h3d/vendor/plugins/currencyexchange/lib/rails_connection/currency_exchange.rb:84:in `parse_rates_for_currency'
  /Users/dc/rails_projects/h3d/vendor/plugins/currencyexchange/lib/rails_connection/currency_exchange.rb:70:in `request_rates'
  /Users/dc/rails_projects/h3d/vendor/plugins/currencyexchange/lib/rails_connection/currency_exchange.rb:41:in `currency_rate_exists?'
  /Users/dc/rails_projects/h3d/vendor/plugins/currencyexchange/lib/rails_connection/currency_exchange.rb:30:in `currency_exchange'
  /Users/dc/rails_projects/h3d/app/assets/javascripts/exchange.js.erb:2:in `block in evaluate_source'
  /Users/dc/rails_projects/h3d/app/assets/javascripts/exchange.js.erb:2:in `collect'
  /Users/dc/rails_projects/h3d/app/assets/javascripts/exchange.js.erb:2:in `evaluate_source'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/tilt-1.3.3/lib/tilt/template.rb:209:in `instance_eval'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/tilt-1.3.3/lib/tilt/template.rb:209:in `evaluate_source'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/tilt-1.3.3/lib/tilt/template.rb:144:in `cached_evaluate'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/tilt-1.3.3/lib/tilt/template.rb:127:in `evaluate'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/tilt-1.3.3/lib/tilt/template.rb:76:in `render'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/context.rb:175:in `block in evaluate'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/context.rb:172:in `each'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/context.rb:172:in `evaluate'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/bundled_asset.rb:171:in `build_dependency_context_and_body'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/bundled_asset.rb:135:in `dependency_context'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/bundled_asset.rb:194:in `build_dependencies_paths_and_assets'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/bundled_asset.rb:141:in `dependency_paths'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/bundled_asset.rb:61:in `mtime'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/asset.rb:58:in `block in encode_with'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/asset.rb:57:in `each'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/asset.rb:57:in `encode_with'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/bundled_asset.rb:43:in `encode_with'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/caching.rb:52:in `cache_asset'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/environment.rb:82:in `build_asset'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/base.rb:99:in `find_asset'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/environment.rb:72:in `find_asset'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/base.rb:110:in `[]'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/bundled_asset.rb:200:in `block in build_dependencies_paths_and_assets'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/bundled_asset.rb:194:in `each'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/bundled_asset.rb:194:in `build_dependencies_paths_and_assets'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/bundled_asset.rb:141:in `dependency_paths'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/bundled_asset.rb:61:in `mtime'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/asset.rb:58:in `block in encode_with'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/asset.rb:57:in `each'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/asset.rb:57:in `encode_with'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/bundled_asset.rb:43:in `encode_with'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/caching.rb:52:in `cache_asset'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/environment.rb:82:in `build_asset'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/trail.rb:102:in `find_asset_in_path'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/base.rb:101:in `find_asset'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/environment.rb:72:in `find_asset'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/sprockets-2.0.3/lib/sprockets/base.rb:110:in `[]'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/actionpack-3.1.1/lib/sprockets/helpers/rails_helper.rb:130:in `asset_for'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/actionpack-3.1.1/lib/sprockets/helpers/rails_helper.rb:27:in `block in javascript_include_tag'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/actionpack-3.1.1/lib/sprockets/helpers/rails_helper.rb:26:in `collect'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/actionpack-3.1.1/lib/sprockets/helpers/rails_helper.rb:26:in `javascript_include_tag'
  /Users/dc/rails_projects/h3d/app/views/layouts/_application_includes.html.erb:4:in `_app_views_layouts__application_includes_html_erb___4234213952173350138_2190382900'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/actionpack-3.1.1/lib/action_view/template.rb:144:in `block in render'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/activesupport-3.1.1/lib/active_support/notifications.rb:55:in `instrument'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/actionpack-3.1.1/lib/action_view/template.rb:142:in `render'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/actionpack-3.1.1/lib/action_view/renderer/partial_renderer.rb:256:in `render_partial'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/actionpack-3.1.1/lib/action_view/renderer/partial_renderer.rb:228:in `block (2 levels) in render'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/actionpack-3.1.1/lib/action_view/renderer/abstract_renderer.rb:33:in `block in instrument'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/activesupport-3.1.1/lib/active_support/notifications.rb:53:in `block in instrument'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/activesupport-3.1.1/lib/active_support/notifications/instrumenter.rb:21:in `instrument'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/activesupport-3.1.1/lib/active_support/notifications.rb:53:in `instrument'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/actionpack-3.1.1/lib/action_view/renderer/abstract_renderer.rb:33:in `instrument'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/actionpack-3.1.1/lib/action_view/renderer/partial_renderer.rb:227:in `block in render'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/actionpack-3.1.1/lib/action_view/renderer/abstract_renderer.rb:22:in `wrap_formats'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/actionpack-3.1.1/lib/action_view/renderer/partial_renderer.rb:219:in `render'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/actionpack-3.1.1/lib/action_view/renderer/renderer.rb:41:in `render_partial'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/actionpack-3.1.1/lib/action_view/renderer/renderer.rb:15:in `render'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/actionpack-3.1.1/lib/action_view/helpers/rendering_helper.rb:24:in `render'
  /Users/dc/rails_projects/h3d/app/views/layouts/application.html.erb:7:in `_app_views_layouts_application_html_erb___1048081149871390399_2517965000'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/actionpack-3.1.1/lib/action_view/template.rb:144:in `block in render'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/activesupport-3.1.1/lib/active_support/notifications.rb:55:in `instrument'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/actionpack-3.1.1/lib/action_view/template.rb:142:in `render'
  /Users/dc/.rvm/gems/ruby-1.9.3-p0/gems/actionpack-3.1.1/lib/action_view/renderer/streaming_template_renderer.rb:73:in `block (2 levels) in delayed_render'

If I take line 2 out of exchange.js.erb the page seems to load fine. But as long as it is there I get the given error message.