Fixing "undefined local variable or method `version_requirements' for #<Rails::GemDependency:0x...> (NameError)"
Phillip Koebbe from Ruby on Rails suggested inserting following code between the "bootstrap" and "initialize" sections of enviroment.rb. This hack fixes the problem.
if Gem::VERSION >= "1.3.6"
module Rails
class GemDependency
def requirement
r = super
(r == Gem::Requirement.default) ? nil : r
end
end
end
end
Related cards:
Fix Rubygems binary error: undefined method `activate_bin_path' for Gem:Module (NoMethodError)
So you're getting an error like this:
undefined method `activate_bin_path' for Gem:Module (NoMethodError)
Here is what happened:
- You installed a recent version of Rubygems
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How to fix "undefined method `name' for Array" error when running bundled commands on Ruby 1.8.7 + Rails 2.3
On recent/fresh installations of Ruby 1.8.7 you may encounter this error why calling any bundled binary (or just bundle exec):
/home/arne/.rvm/gems/ruby-1.8.7-p374@global/gems/rubygems-bundler-1.4.2/lib/rubygems-bundler/noexec.rb:75:in ...
NoMethodError: undefined method `cache' for Gem:Module
I got this error when running Rails 2.3 tests for Rails LTS. More stacktrace:
NoMethodError: undefined method `cache' for Gem:Module
/vagrant/rails-2-3-lts-repository/railties/lib/rails_generator/lookup.rb:212:in `e...
Capistrano: Deployment issue undefined method `[]' for nil:NilClass
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Fix Rubygems error: undefined method `source_index' for Gem:Module
You are probably using Ruby 1.8.7 with a too recent versions of Rubygems.
Downgrade your Rubygems to the latest version that works with 1.8.7.
See also
- [Fix Rubygems warning: Gem.source_index is deprecated, use Specifica...
How to test your website for different versions of Internet Explorer or Edge
Virtualization
Microsoft provides virtual machines for different Internet Explorer versions.
The images are available for various virtualization solutions, includi...
Undefined method log for Selenium::WebDriver::Remote::W3C::Bridge
In case your integration tests crash with a message like below, try to upgrade Capybara to a newer version (3.35.3 was good enough). You might encounter this issue when you enabled the [w3c option in Selenium](https://makandracards.com/makandra/49...
Upgrading Cucumber and Capybara to the latest versions available for Rails 2
Specify these gem versions in your Gemfile:
gem 'cucumber', '~> 1.3.0'
gem 'cucumber-rails', '= 0.3.2' # max version for Rails 2
gem 'capybara', '< 2' # capybara 2+ requires Rails 3
gem 'mime-types', '< 2' # dependeny of capybara
...
Ruby 1.9 or Ruby 2.0 do not allow using shortcut blocks for private methods
Consider this class:
class Foo
private
def test
puts "Hello"
end
end
While you can say create a block to call that method (using ampersand and colon) on Ruby 1.8, ...
1.8.7 > Foo.new.tap(&:te...
Fix error: undefined method `desc' for #<Foo::Rake::Taskx1234>
Upgrade the offending gem. If you cannot or don't want to upgrade, lock rake to 0.8.7.