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I updated my rails from 3 to 4 and ruby to version 2. I tried running rails s after running the updates. What is the error? 

/home/aravind/Documents/dev/ptl/config/application.rb:7:in `require': cannot load such file -- active_resource/railtie (LoadError)
from /home/aravind/Documents/dev/ptl/config/application.rb:7:in `<top (required)>'
from /usr/local/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/commands.rb:76:in `require'
from /usr/local/lib/ruby/gems/2I .0.0/gems/railties-4.0.0/lib/rails/commands.rb:76:in `block in <top (required)>'
from /usr/local/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/commands.rb:73:in `tap'
from /usr/local/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/commands.rb:73:in `<top (required)>'
from script/rails:6:in `require'
from script/rails:6:in `<main>'
Aravind
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  • please provide the code located around `config/application.rb:7` There is a good chance that you have a `require 'active_resource'` statement. Since Rails 4, `active_resource` is not part of `rails` anymore. – Pierre-Louis Gottfrois Aug 05 '13 at 12:07

1 Answers1

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try this:

in aplication.rb comment this line:

require "active_resource/railtie"

if you have it, if not I'll just remove my answer but this fixed my problem a few days ago.

rmagnum2002
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