Description of problem:


Version-Release number of selected component (if applicable):
5.4.0.0.13.20150319164909_f011a66

How reproducible:
100%

Steps to Reproduce:
1.Not sure of the exact steps but this error is frequently observed
2.
3.

Actual results:
ActionController::RoutingError is frequently displayed in production.log 

Expected results:


Additional info:
production.log

[----] I, [2015-03-23T03:33:47.850623 #2268:809ea4]  INFO -- : Completed 200 OK in 3623.6ms (Views: 2167.8ms | ActiveRecord: 630.9ms)
[----] I, [2015-03-23T03:34:08.970125 #2268:809ea4]  INFO -- : Started GET "/images/icons/new/event-request_vm_retire.png" for 127.0.0.1 at 2015-03-23 03:34:08 -0400
[----] F, [2015-03-23T03:34:08.977173 #2268:809ea4] FATAL -- : 
ActionController::RoutingError (No route matches [GET] "/images/icons/new/event-request_vm_retire.png"):
  /opt/rh/cfme-gemset/bundler/gems/rails-8f014fba21f9/actionpack/lib/action_dispatch/middleware/debug_exceptions.rb:21:in `call'
  /opt/rh/cfme-gemset/bundler/gems/rails-8f014fba21f9/actionpack/lib/action_dispatch/middleware/show_exceptions.rb:56:in `call'
  /opt/rh/cfme-gemset/bundler/gems/rails-8f014fba21f9/railties/lib/rails/rack/logger.rb:32:in `call_app'
  /opt/rh/cfme-gemset/bundler/gems/rails-8f014fba21f9/railties/lib/rails/rack/logger.rb:18:in `call'
  /opt/rh/cfme-gemset/bundler/gems/rails-8f014fba21f9/actionpack/lib/action_dispatch/middleware/request_id.rb:22:in `call'
  rack (1.4.5) lib/rack/methodoverride.rb:21:in `call'
  rack (1.4.5) lib/rack/runtime.rb:17:in `call'
  /opt/rh/cfme-gemset/bundler/gems/rails-8f014fba21f9/activesupport/lib/active_support/cache/strategy/local_cache.rb:72:in `call'
  rack (1.4.5) lib/rack/lock.rb:15:in `call'
  /opt/rh/cfme-gemset/bundler/gems/rails-8f014fba21f9/actionpack/lib/action_dispatch/middleware/static.rb:63:in `call'
  /opt/rh/cfme-gemset/bundler/gems/rails-8f014fba21f9/railties/lib/rails/engine.rb:484:in `call'
  /opt/rh/cfme-gemset/bundler/gems/rails-8f014fba21f9/railties/lib/rails/application.rb:231:in `call'
  rack (1.4.5) lib/rack/content_length.rb:14:in `call'
  /opt/rh/cfme-gemset/bundler/gems/rails-8f014fba21f9/railties/lib/rails/rack/log_tailer.rb:17:in `call'
  thin (1.3.1) lib/thin/connection.rb:80:in `block in pre_process'
  thin (1.3.1) lib/thin/connection.rb:78:in `catch'
  thin (1.3.1) lib/thin/connection.rb:78:in `pre_process'
  thin (1.3.1) lib/thin/connection.rb:53:in `process'
  thin (1.3.1) lib/thin/connection.rb:38:in `receive_data'
  eventmachine (1.0.7) lib/eventmachine.rb:187:in `run_machine'
  eventmachine (1.0.7) lib/eventmachine.rb:187:in `run'
  thin (1.3.1) lib/thin/backends/base.rb:61:in `start'
  thin (1.3.1) lib/thin/server.rb:159:in `start'
  rack (1.4.5) lib/rack/handler/thin.rb:13:in `run'
  rack (1.4.5) lib/rack/server.rb:268:in `start'
  /opt/rh/cfme-gemset/bundler/gems/rails-8f014fba21f9/railties/lib/rails/commands/server.rb:70:in `start'
  /opt/rh/cfme-gemset/bundler/gems/rails-8f014fba21f9/railties/lib/rails/commands.rb:55:in `block in <top (required)>'
  /opt/rh/cfme-gemset/bundler/gems/rails-8f014fba21f9/railties/lib/rails/commands.rb:50:in `tap'
  /opt/rh/cfme-gemset/bundler/gems/rails-8f014fba21f9/railties/lib/rails/commands.rb:50:in `<top (required)>'
  script/rails:6:in `require'
  script/rails:6:in `<main>'