Issue starting server in production that don't use activeRecord

I have been working in one application that don’t have database and for
storage only use redis and I never tried before to run it in production
environment and o surprise the server is run but when try to load it
says ups something went wrong and in the log it says ActiveRecord no
conection stablish here is the error:

ActiveRecord::ConnectionNotEstablished
(ActiveRecord::ConnectionNotEstablished):
activerecord (3.2.8)
lib/active_record/connection_adapters/abstract/connection_pool.rb:404:in
retrieve_connection' activerecord (3.2.8) lib/active_record/connection_adapters/abstract/connection_specification.rb:170:inretrieve_connection’
activerecord (3.2.8)
lib/active_record/connection_adapters/abstract/connection_specification.rb:144:in
connection' activerecord (3.2.8) lib/active_record/query_cache.rb:67:incall’
activerecord (3.2.8)
lib/active_record/connection_adapters/abstract/connection_pool.rb:473:in
call' actionpack (3.2.8) lib/action_dispatch/middleware/callbacks.rb:28:incall’
activesupport (3.2.8) lib/active_support/callbacks.rb:405:in
_run__1956948221__call__4__callbacks' activesupport (3.2.8) lib/active_support/callbacks.rb:405:insend’
activesupport (3.2.8) lib/active_support/callbacks.rb:405:in
__run_callback' activesupport (3.2.8) lib/active_support/callbacks.rb:385:in_run_call_callbacks’
activesupport (3.2.8) lib/active_support/callbacks.rb:81:in send' activesupport (3.2.8) lib/active_support/callbacks.rb:81:inrun_callbacks’
actionpack (3.2.8) lib/action_dispatch/middleware/callbacks.rb:27:in
call' actionpack (3.2.8) lib/action_dispatch/middleware/remote_ip.rb:31:incall’
actionpack (3.2.8)
lib/action_dispatch/middleware/debug_exceptions.rb:16:in call' actionpack (3.2.8) lib/action_dispatch/middleware/show_exceptions.rb:56:incall’
railties (3.2.8) lib/rails/rack/logger.rb:26:in call_app' railties (3.2.8) lib/rails/rack/logger.rb:16:incall’
actionpack (3.2.8) lib/action_dispatch/middleware/request_id.rb:22:in
call' rack (1.4.1) lib/rack/methodoverride.rb:21:incall’
rack (1.4.1) lib/rack/runtime.rb:17:in call' activesupport (3.2.8) lib/active_support/cache/strategy/local_cache.rb:72:incall’
rack (1.4.1) lib/rack/lock.rb:15:in call' rack-cache (1.2) lib/rack/cache/context.rb:136:inforward’
rack-cache (1.2) lib/rack/cache/context.rb:245:in fetch' rack-cache (1.2) lib/rack/cache/context.rb:185:inlookup’
rack-cache (1.2) lib/rack/cache/context.rb:66:in call!' rack-cache (1.2) lib/rack/cache/context.rb:51:incall’
railties (3.2.8) lib/rails/engine.rb:479:in call' railties (3.2.8) lib/rails/application.rb:223:incall’
rack (1.4.1) lib/rack/content_length.rb:14:in call' railties (3.2.8) lib/rails/rack/log_tailer.rb:17:incall’
rack (1.4.1) lib/rack/handler/webrick.rb:59:in service' /usr/lib/ruby/1.8/webrick/httpserver.rb:104:inservice’
/usr/lib/ruby/1.8/webrick/httpserver.rb:65:in run' /usr/lib/ruby/1.8/webrick/server.rb:173:instart_thread’
/usr/lib/ruby/1.8/webrick/server.rb:162:in start' /usr/lib/ruby/1.8/webrick/server.rb:162:instart_thread’
/usr/lib/ruby/1.8/webrick/server.rb:95:in start' /usr/lib/ruby/1.8/webrick/server.rb:92:ineach’
/usr/lib/ruby/1.8/webrick/server.rb:92:in start' /usr/lib/ruby/1.8/webrick/server.rb:23:instart’
/usr/lib/ruby/1.8/webrick/server.rb:82:in start' rack (1.4.1) lib/rack/handler/webrick.rb:13:inrun’
rack (1.4.1) lib/rack/server.rb:265:in start' railties (3.2.8) lib/rails/commands/server.rb:70:instart’
railties (3.2.8) lib/rails/commands.rb:55
railties (3.2.8) lib/rails/commands.rb:50:in tap' railties (3.2.8) lib/rails/commands.rb:50 script/rails:6:inrequire’
script/rails:6

but well none of my models uses activerecord what is happening here?

Issue solved with a little modification to application.rb changin
require rails/all for

require “action_controller/railtie”
require “action_mailer/railtie”
require “active_resource/railtie”
require “rails/test_unit/railtie”
require “sprockets/railtie”

and removing the white_list

and removing some lines from development.rb and