undefined local variable or method `version_requirements'

Thu Jun 30 11:01:00 -0700 2011

If you have a Rails 2.x app and hitting this, there is a simple fix while you wait to upgrade to Rails 3.

Edit your environment.rb file and inbetween the require ‘boot’ line and the Rails::Initializer line, insert the following Gem::VERSION if statement:

# Bootstrap the Rails environment, frameworks, and default configuration
require File.join(File.dirname(__FILE__), 'boot')

if Gem::VERSION >= "1.3.6"
  module Rails
    class GemDependency
      def requirement
        (super == Gem::Requirement.default) ? nil : super
      end
    end
  end
end

Rails::Initializer.run do |config|
# ....

It’s a hack, it might break with later and later releases of RubyGems. But it allowed me to get a 2.3.x Rails app running on a fairly current rubygems.

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  3. Richard Says:
    Sat Oct 01 11:31:00 -0700 2011

    I have been having this bug in my Rail 2.x application. I have searched a lot of resources for a fix for this because this bug is too annoying and it bugs me. Moreover it is taking away a great deal of time from my working hours. I have certain down payments this month so I can’t afford to lose any more of my working hours. I really appreciate that you have bothered to share a fix for this , I need to have smtp server too. I hope it will work.

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    Fri Oct 21 01:45:05 -0700 2011

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    If you have a Rails 2.x app and hitting this, there is a simple fix while you wait to upgrade to Rails 3. dubai business set up

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    I have been having this bug in my Rail 2.x application. I have searched a lot of resources for a fix for this because this bug is too annoying and it bugs me. Moreover it is taking away a great deal of time from my working hours.

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