Rake Cucumber error: No such file to load -- feedable (LoadError) - ruby-on-rails

System:
OS: Linux (Debian)
rails: 3.1.4
ruby: 1.9.3p194
rvm: 1.14.5
cucumber: 1.2.1
cucumber-rails: 1.3.0
I have the following installed, but when I try and run the following in my app's home directory:
rake cucumber --trace
I get the following error:
/home/user/.rvm/rubies/ruby-1.9.3-p194/bin/ruby -S bundle exec cucumber --profile default
Using the default profile...
No such file to load -- feedable (LoadError)
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.1.4/lib/active_support
/dependencies.rb:306:in `rescue in depend_on'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.1.4/lib/active_support
/dependencies.rb:301:in `depend_on'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.1.4/lib/active_support
/dependencies.rb:214:in `require_dependency'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.4/lib/rails/engine.rb:417:in `block (2 levels) in eager_load!'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.4/lib/rails/engine.rb:416:in `each'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.4/lib/rails/engine.rb:416:in `block in eager_load!'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.4/lib/rails/engine.rb:414:in `each'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.4/lib/rails/engine.rb:414:in `eager_load!'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.4/lib/rails/application/finisher.rb:51:in `block in <module:Finisher>'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.4/lib/rails/initializable.rb:30:in `instance_exec'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.4/lib/rails/initializable.rb:30:in `run'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.4/lib/rails/initializable.rb:55:in `block in run_initializers'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.4/lib/rails/initializable.rb:54:in `each'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.4/lib/rails/initializable.rb:54:in `run_initializers'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.4/lib/rails/application.rb:96:in `initialize!'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/cucumber-rails-1.3.0/lib/cucumber/rails/application.rb:15:in `initialize!'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.4/lib/rails/railtie/configurable.rb:30:in `method_missing'
/var/www/currienet/config/environment.rb:5:in `<top (required)>'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/cucumber-rails-1.3.0/lib/cucumber/rails.rb:7:in `require'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/cucumber-rails-1.3.0/lib/cucumber/rails.rb:7:in `<top (required)>'
/var/www/currienet/features/support/env.rb:7:in `require'
/var/www/currienet/features/support/env.rb:7:in `<top (required)>'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/cucumber-1.2.1/lib/cucumber/rb_support/rb_language.rb:129:in `load'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/cucumber-1.2.1/lib/cucumber/rb_support /rb_language.rb:129:in `load_code_file'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/cucumber-1.2.1/lib/cucumber/runtime/support_code.rb:171:in `load_file'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/cucumber-1.2.1/lib/cucumber/runtime/support_code.rb:83:in `block in load_files!'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/cucumber-1.2.1/lib/cucumber/runtime/support_code.rb:82:in `each'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/cucumber-1.2.1/lib/cucumber/runtime/support_code.rb:82:in `load_files!'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/cucumber-1.2.1/lib/cucumber/runtime.rb:175:in `load_step_definitions'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/cucumber-1.2.1/lib/cucumber/runtime.rb:40:in `run!'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/cucumber-1.2.1/lib/cucumber/cli/main.rb:43:in `execute!'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/cucumber-1.2.1/lib/cucumber/cli/main.rb:20:in `execute'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/cucumber-1.2.1/bin/cucumber:14:in `<top (required)>'
/home/user/.rvm/gems/ruby-1.9.3-p194/bin/cucumber:19:in `load'
/home/user/.rvm/gems/ruby-1.9.3-p194/bin/cucumber:19:in `<main>'
/home/user/.rvm/gems/ruby-1.9.3-p194/bin/ruby_noexec_wrapper:14:in `eval'
/home/user/.rvm/gems/ruby-1.9.3-p194/bin/ruby_noexec_wrapper:14:in `<main>'
rake aborted!
Command failed with status (1): [/home/user/.rvm/rubies/ruby-1.9.3-p194/bin...]
I don't know what 'feedable' is or where it's being loaded. Googling the two error messages has yielded no answers.

I realised I should run a grep on my app directory for 'feedable' and found that there was left over code from a class I had written and then removed - this was before I was using versioning control. Once I removed the erroneous require, the problem disappeared.
Thank you to those who spent time on considering this.

Related

Difficulties installing jekyll-polyglot: "Could not find gem 'helper x86_64-darwin-19'"

I'm new to Jekyll and I'm having a hard time installing the jekyll-polyglot plugin. My latest issues is the following, when trying to run "bundle exec" in the terminal. What is this 'helper x86_64-darwin-19'?
xxxx-xx:sebl xxxxx$ bundle install
Fetching gem metadata from https://rubygems.org/..........
Fetching gem metadata from https://rubygems.org/.
Could not find gem 'helper x86_64-darwin-19' in any of the gem sources listed in your Gemfile.
If I run bundle exec jekyll serve, this is what I currently get:
Alessandros-Air:sebl alessandrolodola$ bundle exec jekyll serve
Configuration file: /Users/alessandrolodola/Desktop/SEBL/_config.yml
/Users/alessandrolodola/Desktop/SEBL/_plugins/polyglot-master/lib/jekyll/polyglot/version.rb:3: warning: already initialized constant Jekyll::Polyglot::VERSION
/usr/local/lib/ruby/gems/3.0.0/gems/jekyll-polyglot-1.3.3/lib/jekyll/polyglot/version.rb:3: warning: previous definition of VERSION was here
Dependency Error: Yikes! It looks like you don't have /Users/alessandrolodola/Desktop/SEBL/_plugins/polyglot-master/spec/rspec/helper.rb or one of its dependencies installed. In order to use Jekyll as currently configured, you'll need to install this gem. If you've run Jekyll with `bundle exec`, ensure that you have included the /Users/alessandrolodola/Desktop/SEBL/_plugins/polyglot-master/spec/rspec/helper.rb gem in your Gemfile as well. The full error message from Ruby is: 'cannot load such file -- rspec' If you run into trouble, you can find helpful resources at https://jekyllrb.com/help/!
------------------------------------------------
Jekyll 4.2.0 Please append `--trace` to the `serve` command
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from /usr/local/lib/ruby/gems/3.0.0/gems/jekyll-4.2.0/lib/jekyll/external.rb:58:in `block in require_with_graceful_fail'
from /usr/local/lib/ruby/gems/3.0.0/gems/jekyll-4.2.0/lib/jekyll/external.rb:57:in `each'
from /usr/local/lib/ruby/gems/3.0.0/gems/jekyll-4.2.0/lib/jekyll/external.rb:57:in `require_with_graceful_fail'
from /usr/local/lib/ruby/gems/3.0.0/gems/jekyll-4.2.0/lib/jekyll/plugin_manager.rb:89:in `block in require_plugin_files'
from /usr/local/lib/ruby/gems/3.0.0/gems/jekyll-4.2.0/lib/jekyll/plugin_manager.rb:87:in `each'
from /usr/local/lib/ruby/gems/3.0.0/gems/jekyll-4.2.0/lib/jekyll/plugin_manager.rb:87:in `require_plugin_files'
from /usr/local/lib/ruby/gems/3.0.0/gems/jekyll-4.2.0/lib/jekyll/plugin_manager.rb:21:in `conscientious_require'
from /usr/local/lib/ruby/gems/3.0.0/gems/jekyll-4.2.0/lib/jekyll/site.rb:131:in `setup'
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from /usr/local/lib/ruby/gems/3.0.0/gems/jekyll-4.2.0/lib/jekyll/commands/build.rb:30:in `new'
from /usr/local/lib/ruby/gems/3.0.0/gems/jekyll-4.2.0/lib/jekyll/commands/build.rb:30:in `process'
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from /Users/alessandrolodola/.local/share/gem/ruby/3.0.0/gems/mercenary-0.4.0/lib/mercenary/command.rb:221:in `execute'
from /Users/alessandrolodola/.local/share/gem/ruby/3.0.0/gems/mercenary-0.4.0/lib/mercenary/program.rb:44:in `go'
from /Users/alessandrolodola/.local/share/gem/ruby/3.0.0/gems/mercenary-0.4.0/lib/mercenary.rb:21:in `program'
from /usr/local/lib/ruby/gems/3.0.0/gems/jekyll-4.2.0/exe/jekyll:15:in `<top (required)>'
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from /Users/alessandrolodola/.local/share/gem/ruby/3.0.0/gems/bundler-2.2.3/lib/bundler/cli/exec.rb:63:in `kernel_load'
from /Users/alessandrolodola/.local/share/gem/ruby/3.0.0/gems/bundler-2.2.3/lib/bundler/cli/exec.rb:28:in `run'
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/Users/alessandrolodola/Desktop/SEBL/_plugins/polyglot-master/spec/rspec/helper.rb:1:in `require': cannot load such file -- rspec (LoadError)
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from /usr/local/lib/ruby/gems/3.0.0/gems/jekyll-4.2.0/lib/jekyll/site.rb:131:in `setup'
from /usr/local/lib/ruby/gems/3.0.0/gems/jekyll-4.2.0/lib/jekyll/site.rb:36:in `initialize'
from /usr/local/lib/ruby/gems/3.0.0/gems/jekyll-4.2.0/lib/jekyll/commands/build.rb:30:in `new'
from /usr/local/lib/ruby/gems/3.0.0/gems/jekyll-4.2.0/lib/jekyll/commands/build.rb:30:in `process'
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from /usr/local/lib/ruby/gems/3.0.0/gems/jekyll-4.2.0/lib/jekyll/command.rb:91:in `each'
from /usr/local/lib/ruby/gems/3.0.0/gems/jekyll-4.2.0/lib/jekyll/command.rb:91:in `process_with_graceful_fail'
from /usr/local/lib/ruby/gems/3.0.0/gems/jekyll-4.2.0/lib/jekyll/commands/serve.rb:86:in `block (2 levels) in init_with_program'
from /Users/alessandrolodola/.local/share/gem/ruby/3.0.0/gems/mercenary-0.4.0/lib/mercenary/command.rb:221:in `block in execute'
from /Users/alessandrolodola/.local/share/gem/ruby/3.0.0/gems/mercenary-0.4.0/lib/mercenary/command.rb:221:in `each'
from /Users/alessandrolodola/.local/share/gem/ruby/3.0.0/gems/mercenary-0.4.0/lib/mercenary/command.rb:221:in `execute'
from /Users/alessandrolodola/.local/share/gem/ruby/3.0.0/gems/mercenary-0.4.0/lib/mercenary/program.rb:44:in `go'
from /Users/alessandrolodola/.local/share/gem/ruby/3.0.0/gems/mercenary-0.4.0/lib/mercenary.rb:21:in `program'
from /usr/local/lib/ruby/gems/3.0.0/gems/jekyll-4.2.0/exe/jekyll:15:in `<top (required)>'
from /usr/local/lib/ruby/gems/3.0.0/bin/jekyll:23:in `load'
from /usr/local/lib/ruby/gems/3.0.0/bin/jekyll:23:in `<top (required)>'
from /Users/alessandrolodola/.local/share/gem/ruby/3.0.0/gems/bundler-2.2.3/lib/bundler/cli/exec.rb:63:in `load'
from /Users/alessandrolodola/.local/share/gem/ruby/3.0.0/gems/bundler-2.2.3/lib/bundler/cli/exec.rb:63:in `kernel_load'
from /Users/alessandrolodola/.local/share/gem/ruby/3.0.0/gems/bundler-2.2.3/lib/bundler/cli/exec.rb:28:in `run'
from /Users/alessandrolodola/.local/share/gem/ruby/3.0.0/gems/bundler-2.2.3/lib/bundler/cli.rb:497:in `exec'
from /Users/alessandrolodola/.local/share/gem/ruby/3.0.0/gems/bundler-2.2.3/lib/bundler/vendor/thor/lib/thor/command.rb:27:in `run'
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from /Users/alessandrolodola/.local/share/gem/ruby/3.0.0/gems/bundler-2.2.3/lib/bundler/vendor/thor/lib/thor.rb:392:in `dispatch'
from /Users/alessandrolodola/.local/share/gem/ruby/3.0.0/gems/bundler-2.2.3/lib/bundler/cli.rb:30:in `dispatch'
from /Users/alessandrolodola/.local/share/gem/ruby/3.0.0/gems/bundler-2.2.3/lib/bundler/vendor/thor/lib/thor/base.rb:485:in `start'
from /Users/alessandrolodola/.local/share/gem/ruby/3.0.0/gems/bundler-2.2.3/lib/bundler/cli.rb:24:in `start'
from /Users/alessandrolodola/.local/share/gem/ruby/3.0.0/gems/bundler-2.2.3/exe/bundle:49:in `block in <top (required)>'
from /Users/alessandrolodola/.local/share/gem/ruby/3.0.0/gems/bundler-2.2.3/lib/bundler/friendly_errors.rb:130:in `with_friendly_errors'
from /Users/alessandrolodola/.local/share/gem/ruby/3.0.0/gems/bundler-2.2.3/exe/bundle:37:in `<top (required)>'
from /usr/local/opt/ruby/bin/bundle:23:in `load'
from /usr/local/opt/ruby/bin/bundle:23:in `<main>'
```
hi i also got this issue
same as yours
Solution_is_very_simple
bundle
bundle add webrick
jekyll serve --watch --port 3200
Run these commands then your problem will be solved

Deprecation error for rails stopping me from launching rails server

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Exiting
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from /Users/bena/.rvm/gems/ruby-2.4.6/gems/activesupport-3.2.22.5/lib/active_support/dependencies.rb:245:in `load'
from /Users/bena/.rvm/gems/ruby-2.4.6/gems/activesupport-3.2.22.5/lib/active_support/dependencies.rb:245:in `block in load'
from /Users/bena/.rvm/gems/ruby-2.4.6/gems/activesupport-3.2.22.5/lib/active_support/dependencies.rb:236:in `load_dependency'
from /Users/bena/.rvm/gems/ruby-2.4.6/gems/activesupport-3.2.22.5/lib/active_support/dependencies.rb:245:in `load'
from /Users/bena/.rvm/gems/ruby-2.4.6/gems/railties-3.2.22.5/lib/rails/engine.rb:593:in `block (2 levels) in <class:Engine>'
from /Users/bena/.rvm/gems/ruby-2.4.6/gems/railties-3.2.22.5/lib/rails/engine.rb:592:in `each'
from /Users/bena/.rvm/gems/ruby-2.4.6/gems/railties-3.2.22.5/lib/rails/engine.rb:592:in `block in <class:Engine>'
from /Users/bena/.rvm/gems/ruby-2.4.6/gems/railties-3.2.22.5/lib/rails/initializable.rb:30:in `instance_exec'
from /Users/bena/.rvm/gems/ruby-2.4.6/gems/railties-3.2.22.5/lib/rails/initializable.rb:30:in `run'
from /Users/bena/.rvm/gems/ruby-2.4.6/gems/railties-3.2.22.5/lib/rails/initializable.rb:55:in `block in run_initializers'
from /Users/bena/.rvm/gems/ruby-2.4.6/gems/railties-3.2.22.5/lib/rails/initializable.rb:54:in `each'
from /Users/bena/.rvm/gems/ruby-2.4.6/gems/railties-3.2.22.5/lib/rails/initializable.rb:54:in `run_initializers'
from /Users/bena/.rvm/gems/ruby-2.4.6/gems/railties-3.2.22.5/lib/rails/application.rb:136:in `initialize!'
from /Users/bena/.rvm/gems/ruby-2.4.6/gems/railties-3.2.22.5/lib/rails/railtie/configurable.rb:30:in `method_missing'
from /Users/bena/Documents/repos/ben-repos/mapknitter/config/environment.rb:5:in `<top (required)>'
from /Users/bena/.rvm/gems/ruby-2.4.6/gems/skylight-1.7.2/lib/skylight/probes.rb:119:in `require'
from /Users/bena/.rvm/gems/ruby-2.4.6/gems/skylight-1.7.2/lib/skylight/probes.rb:119:in `require'
from /Users/bena/Documents/repos/ben-repos/mapknitter/config.ru:3:in `block in <main>'
from /Users/bena/.rvm/gems/ruby-2.4.6/gems/rack-1.4.7/lib/rack/builder.rb:51:in `instance_eval'
from /Users/bena/.rvm/gems/ruby-2.4.6/gems/rack-1.4.7/lib/rack/builder.rb:51:in `initialize'
from /Users/bena/Documents/repos/ben-repos/mapknitter/config.ru:in `new'
from /Users/bena/Documents/repos/ben-repos/mapknitter/config.ru:in `<main>'
from /Users/bena/.rvm/gems/ruby-2.4.6/gems/rack-1.4.7/lib/rack/builder.rb:40:in `eval'
from /Users/bena/.rvm/gems/ruby-2.4.6/gems/rack-1.4.7/lib/rack/builder.rb:40:in `parse_file'
from /Users/bena/.rvm/gems/ruby-2.4.6/gems/rack-1.4.7/lib/rack/server.rb:200:in `app'
from /Users/bena/.rvm/gems/ruby-2.4.6/gems/railties-3.2.22.5/lib/rails/commands/server.rb:46:in `app'
from /Users/bena/.rvm/gems/ruby-2.4.6/gems/rack-1.4.7/lib/rack/server.rb:304:in `wrapped_app'
from /Users/bena/.rvm/gems/ruby-2.4.6/gems/rack-1.4.7/lib/rack/server.rb:254:in `start'
from /Users/bena/.rvm/gems/ruby-2.4.6/gems/railties-3.2.22.5/lib/rails/commands/server.rb:70:in `start'
from /Users/bena/.rvm/gems/ruby-2.4.6/gems/railties-3.2.22.5/lib/rails/commands.rb:55:in `block in <top (required)>'
from /Users/bena/.rvm/gems/ruby-2.4.6/gems/railties-3.2.22.5/lib/rails/commands.rb:50:in `tap'
from /Users/bena/.rvm/gems/ruby-2.4.6/gems/railties-3.2.22.5/lib/rails/commands.rb:50:in `<top (required)>'
from script/rails:6:in `require'
from script/rails:6:in `<main>'
Is the problem caused by the the version of rails I am using or the version of skylight or something else entirely?
I am using ruby 2.4.6p354 and rails 3.2.22.5
I have installed and tried to switch to rails 4.2.0 but that doesn't seem to be working, I think because in the gemfile there is a pessimistic version constraint of gem "rails" ,"~>3.2" but I could be completely wrong. I have been told not to change the gemfile.
Check first line in error backtrace. You dont have /config/database.yml in your project
No such file or directory # rb_sysopen -
/Users/bena/Documents/repos/ben-repos/mapknitter/config/database.yml
(Errno::ENOENT)
Make sure you install everything from Prerequisites and simply follow Installation guide

Is DS_Store needed for Rails? Cannot start Rails 3.2.12 or run Rails console because of dependency on DS_Store on OS X

We cannot run Rails on OS X because of some dependency on .DS_Store. We cannot even run the Rails console. Is this needed? Should we remove .DS_Store? We don't have this problem, with the same code, on Windows.
We're on Rails 3.2.12.
Thanks!
Stack trace below:
willclark:t c$ rails console
REQUIRING DEPENDENCY: .
REQUIRING DEPENDENCY: ..
REQUIRING DEPENDENCY: .DS_Store
/usr/local/rvm/gems/ruby-1.9.3-p392/gems/activesupport-3.2.12/lib/active_support/dependencies.rb:317:in `rescue in depend_on': No such file to load -- .DS_Store (LoadError)
from /usr/local/rvm/gems/ruby-1.9.3-p392/gems/activesupport-3.2.12/lib/active_support/dependencies.rb:312:in `depend_on'
from /usr/local/rvm/gems/ruby-1.9.3-p392/gems/activesupport-3.2.12/lib/active_support/dependencies.rb:225:in `require_dependency'
from /Users/c/Desktop/Sites/t/config/initializers/dev_classes_dependency.rb:4:in `block in <top (required)>'
from /Users/c/Desktop/Sites/t/config/initializers/dev_classes_dependency.rb:2:in `foreach'
from /Users/c/Desktop/Sites/t/config/initializers/dev_classes_dependency.rb:2:in `<top (required)>'
from /usr/local/rvm/gems/ruby-1.9.3-p392/gems/activesupport-3.2.12/lib/active_support/dependencies.rb:245:in `load'
from /usr/local/rvm/gems/ruby-1.9.3-p392/gems/activesupport-3.2.12/lib/active_support/dependencies.rb:245:in `block in load'
from /usr/local/rvm/gems/ruby-1.9.3-p392/gems/activesupport-3.2.12/lib/active_support/dependencies.rb:236:in `load_dependency'
from /usr/local/rvm/gems/ruby-1.9.3-p392/gems/activesupport-3.2.12/lib/active_support/dependencies.rb:245:in `load'
from /usr/local/rvm/gems/ruby-1.9.3-p392/gems/railties-3.2.12/lib/rails/engine.rb:588:in `block (2 levels) in <class:Engine>'
from /usr/local/rvm/gems/ruby-1.9.3-p392/gems/railties-3.2.12/lib/rails/engine.rb:587:in `each'
from /usr/local/rvm/gems/ruby-1.9.3-p392/gems/railties-3.2.12/lib/rails/engine.rb:587:in `block in <class:Engine>'
from /usr/local/rvm/gems/ruby-1.9.3-p392/gems/railties-3.2.12/lib/rails/initializable.rb:30:in `instance_exec'
from /usr/local/rvm/gems/ruby-1.9.3-p392/gems/railties-3.2.12/lib/rails/initializable.rb:30:in `run'
from /usr/local/rvm/gems/ruby-1.9.3-p392/gems/railties-3.2.12/lib/rails/initializable.rb:55:in `block in run_initializers'
from /usr/local/rvm/gems/ruby-1.9.3-p392/gems/railties-3.2.12/lib/rails/initializable.rb:54:in `each'
from /usr/local/rvm/gems/ruby-1.9.3-p392/gems/railties-3.2.12/lib/rails/initializable.rb:54:in `run_initializers'
from /usr/local/rvm/gems/ruby-1.9.3-p392/gems/railties-3.2.12/lib/rails/application.rb:136:in `initialize!'
from /usr/local/rvm/gems/ruby-1.9.3-p392/gems/railties-3.2.12/lib/rails/railtie/configurable.rb:30:in `method_missing'
from /Users/c/Desktop/Sites/t/config/environment.rb:5:in `<top (required)>'
from /usr/local/rvm/gems/ruby-1.9.3-p392/gems/railties-3.2.12/lib/rails/application.rb:103:in `require'
from /usr/local/rvm/gems/ruby-1.9.3-p392/gems/railties-3.2.12/lib/rails/application.rb:103:in `require_environment!'
from /usr/local/rvm/gems/ruby-1.9.3-p392/gems/railties-3.2.12/lib/rails/commands.rb:40:in `<top (required)>'
from script/rails:6:in `require'
from script/rails:6:in `<main>'
You need to look into your config/initializers/dev_classes_dependency.rb and remove dependency in there. As mentioned by user2062950, this should be obsolete, but you should probably ask your project leader or anyone who will know why this dependency has been added.
If you have troubles with removing those dependencies, please update your question with the content of this file.

cannot load such file -- paypal/express on db migrate

I have installed the paypal express gem and after trying to do migrations I receive a cannot load such file -- paypal/express error.
Log:
$ gem install paypal-express
Successfully installed paypal-express-0.5.5
Parsing documentation for paypal-express-0.5.5
1 gem installed
$ rake db:migrate
rake aborted!
cannot load such file -- paypal/express
/.rvm/gems/ruby-2.0.0-p353/gems/activesupport-4.0.0.rc1/lib/active_support/dependencies.rb:228:in `require'
/.rvm/gems/ruby-2.0.0-p353/gems/activesupport-4.0.0.rc1/lib/active_support/dependencies.rb:228:in `block in require'
/.rvm/gems/ruby-2.0.0-p353/gems/activesupport-4.0.0.rc1/lib/active_support/dependencies.rb:213:in `load_dependency'
/.rvm/gems/ruby-2.0.0-p353/gems/activesupport-4.0.0.rc1/lib/active_support/dependencies.rb:228:in `require'
/dating/config/initializers/paypal.rb:1:in `<top (required)>'
/.rvm/gems/ruby-2.0.0-p353/gems/activesupport-4.0.0.rc1/lib/active_support/dependencies.rb:222:in `load'
/.rvm/gems/ruby-2.0.0-p353/gems/activesupport-4.0.0.rc1/lib/active_support/dependencies.rb:222:in `block in load'
/.rvm/gems/ruby-2.0.0-p353/gems/activesupport-4.0.0.rc1/lib/active_support/dependencies.rb:213:in `load_dependency'
/.rvm/gems/ruby-2.0.0-p353/gems/activesupport-4.0.0.rc1/lib/active_support/dependencies.rb:222:in `load'
/.rvm/gems/ruby-2.0.0-p353/gems/railties-4.0.0.rc1/lib/rails/engine.rb:609:in `block (2 levels) in <class:Engine>'
/.rvm/gems/ruby-2.0.0-p353/gems/railties-4.0.0.rc1/lib/rails/engine.rb:608:in `each'
/.rvm/gems/ruby-2.0.0-p353/gems/railties-4.0.0.rc1/lib/rails/engine.rb:608:in `block in <class:Engine>'
/.rvm/gems/ruby-2.0.0-p353/gems/railties-4.0.0.rc1/lib/rails/initializable.rb:30:in `instance_exec'
/.rvm/gems/ruby-2.0.0-p353/gems/railties-4.0.0.rc1/lib/rails/initializable.rb:30:in `run'
/.rvm/gems/ruby-2.0.0-p353/gems/railties-4.0.0.rc1/lib/rails/initializable.rb:55:in `block in run_initializers'
/.rvm/gems/ruby-2.0.0-p353/gems/railties-4.0.0.rc1/lib/rails/initializable.rb:44:in `each'
/.rvm/gems/ruby-2.0.0-p353/gems/railties-4.0.0.rc1/lib/rails/initializable.rb:44:in `tsort_each_child'
/.rvm/gems/ruby-2.0.0-p353/gems/railties-4.0.0.rc1/lib/rails/initializable.rb:54:in `run_initializers'
/.rvm/gems/ruby-2.0.0-p353/gems/railties-4.0.0.rc1/lib/rails/application.rb:214:in `initialize!'
/.rvm/gems/ruby-2.0.0-p353/gems/railties-4.0.0.rc1/lib/rails/railtie/configurable.rb:30:in `method_missing'
/dating/config/environment.rb:5:in `<top (required)>'
/.rvm/gems/ruby-2.0.0-p353/gems/activesupport-4.0.0.rc1/lib/active_support/dependencies.rb:228:in `require'
/.rvm/gems/ruby-2.0.0-p353/gems/activesupport-4.0.0.rc1/lib/active_support/dependencies.rb:228:in `block in require'
/.rvm/gems/ruby-2.0.0-p353/gems/activesupport-4.0.0.rc1/lib/active_support/dependencies.rb:213:in `load_dependency'
/.rvm/gems/ruby-2.0.0-p353/gems/activesupport-4.0.0.rc1/lib/active_support/dependencies.rb:228:in `require'
/.rvm/gems/ruby-2.0.0-p353/gems/railties-4.0.0.rc1/lib/rails/application.rb:188:in `require_environment!'
/.rvm/gems/ruby-2.0.0-p353/gems/railties-4.0.0.rc1/lib/rails/application.rb:248:in `block in run_tasks_blocks'
/.rvm/gems/ruby-2.0.0-p353/bin/ruby_executable_hooks:15:in `eval'
/.rvm/gems/ruby-2.0.0-p353/bin/ruby_executable_hooks:15:in `<main>'
Tasks: TOP => db:migrate => environment
Put gem 'paypal-express' in your Gemfile and run bundle install. You shouldn't even have to require paypal/express in your initializer.

" No such file to load -- importenv" after Rails 3.0.10 to 3.1.1 upgrade when running "rails c production"

I completed the upgrade from Rails 3.0.10 to 3.1.1 following these instructions and was able to successfully start a rails server with rails s, but ran into an error as soon as I used RAILS_ENV variables other than development.
rails c works, but rails c production, rails c test, or any custom environment
results in a "No such file to load -- importenv (LoadError)" error.
Here's the stack trace:
from /gems/activesupport-3.1.1/lib/active_support/dependencies.rb:306:in `rescue in depend_on': No such file to load -- importenv (LoadError)
from /gems/activesupport-3.1.1/lib/active_support/dependencies.rb:301:in `depend_on'
from /gems/activesupport-3.1.1/lib/active_support/dependencies.rb:214:in `require_dependency'
from /gems/railties-3.1.1/lib/rails/engine.rb:417:in `block (2 levels) in eager_load!'
from /gems/railties-3.1.1/lib/rails/engine.rb:416:in `each'
from /gems/railties-3.1.1/lib/rails/engine.rb:416:in `block in eager_load!'
from /gems/railties-3.1.1/lib/rails/engine.rb:414:in `each'
from /gems/railties-3.1.1/lib/rails/engine.rb:414:in `eager_load!'
from /gems/railties-3.1.1/lib/rails/application/finisher.rb:51:in `block in <module:Finisher>'
from /gems/railties-3.1.1/lib/rails/initializable.rb:30:in `instance_exec'
from /gems/railties-3.1.1/lib/rails/initializable.rb:30:in `run'
from /gems/railties-3.1.1/lib/rails/initializable.rb:55:in `block in run_initializers'
from /gems/railties-3.1.1/lib/rails/initializable.rb:54:in `each'
from /gems/railties-3.1.1/lib/rails/initializable.rb:54:in `run_initializers'
from /gems/railties-3.1.1/lib/rails/application.rb:96:in `initialize!'
from /gems/railties-3.1.1/lib/rails/railtie/configurable.rb:30:in `method_missing'
from /config/environment.rb:5:in `<top (required)>'
from /ges/activesupport-3.1.1/lib/active_support/dependencies.rb:240:in `require'
from /gems/activesupport-3.1.1/lib/active_support/dependencies.rb:240:in `block in require'
from /gems/activesupport-3.1.1/lib/active_support/dependencies.rb:223:in `block in load_dependency'
from /gems/activesupport-3.1.1/lib/active_support/dependencies.rb:640:in `new_constants_in'
from /gems/activesupport-3.1.1/lib/active_support/dependencies.rb:223:in `load_dependency'
from /gems/activesupport-3.1.1/lib/active_support/dependencies.rb:240:in `require'
from /gems/railties-3.1.1/lib/rails/application.rb:83:in `require_environment!'
from /gems/railties-3.1.1/lib/rails/commands.rb:39:in `<top (required)>'
from script/rails:6:in `require'
from script/rails:6:in `<main>'
Turns out there were *.rb files in a subdirectory of app/assets/javascripts/ and they were being found and loaded (the ruby files are part of a js project that reads ruby files).
Moving the offending files to vendor/assets/javascripts/ fixed the issue.

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