Paperclip: undefined method `to_file' for #<Paperclip::Attachment:0000> (NoMethodError)
to_file
has been removed
Show archive.org snapshot
in Paperclip 3.0.1.
Instead of using File to access Paperclip storage objects (like this: File.read(file.to_file.path)) you can use
Paperclip.io_adapters.for(file).read
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
- You installed some gems that install a binary (like `bun...
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...
Error when deploying 1.8.7 app: "NoMethodError: undefined method `select!' for ["zlib@openssh.com", "zlib"]:Array"
Fix: downgrade net-ssh to version 2.9.1.
How to fix: undefined method `specifications' (caused by RubyGems 1.8)
Sometimes, when running a rake task, RubyGems 1.8.5 raises an error:
rake aborted!
undefined method `specifications' for "/usr/lib/ruby/gems/1.8":String
This has been fixed since May 31 but is still not available as a new RubyGems versio...
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...
Capistrano: Deployment issue undefined method `[]' for nil:NilClass
In newer passenger versions the output of passenger -v has changed. capistrano-passenger tries to parse the version and now causes the error undefined method '[]' for nil:NilClass. To fix this you only need to upgrade the `capistrano-passeng...
Fix: "undefined method `bytesize' for #<Array>"
I believe that when WEBrick has trouble bringing up your Rails application, the WEBrick component that is supposed to print you a pretty error message has a bug and sometimes fails with this message:
"undefined method `bytesize' for #<Array>"...
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
...