问题
I'm just getting started downloading all my programs. I ran into an issue I didn't understand that was resolved using this stackoverflow thread. It worked perfectly.
I then followed the basic instructions on this page and when I got to step 4 rails new test_app I received the following error.
/Users/Hansen/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/rubygems/dependency.rb:298:in `to_specs': Could not find 'railties' (>= 0) among 8 total gem(s) (Gem::LoadError)
from /Users/Hansen/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/rubygems/dependency.rb:309:in `to_spec'
from /Users/Hansen/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/rubygems/core_ext/kernel_gem.rb:53:in `gem'
from /Users/Hansen/.rvm/rubies/ruby-2.1.3/bin/rails:22:in `<main>'
from /Users/Hansen/.rvm/rubies/ruby-2.1.3/bin/ruby_executable_hooks:15:in `eval'
from /Users/Hansen/.rvm/rubies/ruby-2.1.3/bin/ruby_executable_hooks:15:in `<main>'
Thanks in advance for the help.
--Update after Brennans comments
gem install railties
Fetching: thread_safe-0.3.4.gem (100%)
Successfully installed thread_safe-0.3.4
Fetching: minitest-5.4.2.gem (100%)
Successfully installed minitest-5.4.2
Fetching: tzinfo-1.2.2.gem (100%)
Successfully installed tzinfo-1.2.2
Fetching: i18n-0.7.0.beta1.gem (100%)
Successfully installed i18n-0.7.0.beta1
Fetching: activesupport-4.1.6.gem (100%)
Successfully installed activesupport-4.1.6
Fetching: erubis-2.7.0.gem (100%)
Successfully installed erubis-2.7.0
Fetching: builder-3.2.2.gem (100%)
Successfully installed builder-3.2.2
Fetching: actionview-4.1.6.gem (100%)
Successfully installed actionview-4.1.6
Fetching: rack-1.5.2.gem (100%)
Successfully installed rack-1.5.2
Fetching: rack-test-0.6.2.gem (100%)
Successfully installed rack-test-0.6.2
Fetching: actionpack-4.1.6.gem (100%)
Successfully installed actionpack-4.1.6
Fetching: thor-0.19.1.gem (100%)
Successfully installed thor-0.19.1
Fetching: railties-4.1.6.gem (100%)
Successfully installed railties-4.1.6
13 gems installed
Hansens-MacBook-Pro:railsbridge Hansen$ rails new test_app
create
create README.rdoc
create Rakefile
create config.ru
create .gitignore
create Gemfile
create app
create app/assets/javascripts/application.js
create app/assets/stylesheets/application.css
create app/controllers/application_controller.rb
create app/helpers/application_helper.rb
create app/views/layouts/application.html.erb
create app/assets/images/.keep
create app/mailers/.keep
create app/models/.keep
create app/controllers/concerns/.keep
create app/models/concerns/.keep
create bin
create bin/bundle
create bin/rails
create bin/rake
create config
create config/routes.rb
create config/application.rb
create config/environment.rb
create config/secrets.yml
create config/environments
create config/environments/development.rb
create config/environments/production.rb
create config/environments/test.rb
create config/initializers
create config/initializers/assets.rb
create config/initializers/backtrace_silencers.rb
create config/initializers/cookies_serializer.rb
create config/initializers/filter_parameter_logging.rb
create config/initializers/inflections.rb
create config/initializers/mime_types.rb
create config/initializers/session_store.rb
create config/initializers/wrap_parameters.rb
create config/locales
create config/locales/en.yml
create config/boot.rb
create config/database.yml
create db
create db/seeds.rb
create lib
create lib/tasks
create lib/tasks/.keep
create lib/assets
create lib/assets/.keep
create log
create log/.keep
create public
create public/404.html
create public/422.html
create public/500.html
create public/favicon.ico
create public/robots.txt
create test/fixtures
create test/fixtures/.keep
create test/controllers
create test/controllers/.keep
create test/mailers
create test/mailers/.keep
create test/models
create test/models/.keep
create test/helpers
create test/helpers/.keep
create test/integration
create test/integration/.keep
create test/test_helper.rb
create tmp/cache
create tmp/cache/assets
create vendor/assets/javascripts
create vendor/assets/javascripts/.keep
create vendor/assets/stylesheets
create vendor/assets/stylesheets/.keep
run bundle install
/Users/Hansen/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/rubygems.rb:235:in `bin_path': can't find gem bundler (>= 0) (Gem::GemNotFoundException)
from /Users/Hansen/.rvm/gems/ruby-2.1.3/gems/railties-4.1.6/lib/rails/generators/app_base.rb:326:in `bundle_command'
from /Users/Hansen/.rvm/gems/ruby-2.1.3/gems/railties-4.1.6/lib/rails/generators/app_base.rb:344:in `run_bundle'
from (eval):1:in `run_bundle'
from /Users/Hansen/.rvm/gems/ruby-2.1.3/gems/thor-0.19.1/lib/thor/command.rb:27:in `run'
from /Users/Hansen/.rvm/gems/ruby-2.1.3/gems/thor-0.19.1/lib/thor/invocation.rb:126:in `invoke_command'
from /Users/Hansen/.rvm/gems/ruby-2.1.3/gems/thor-0.19.1/lib/thor/invocation.rb:133:in `block in invoke_all'
from /Users/Hansen/.rvm/gems/ruby-2.1.3/gems/thor-0.19.1/lib/thor/invocation.rb:133:in `each'
from /Users/Hansen/.rvm/gems/ruby-2.1.3/gems/thor-0.19.1/lib/thor/invocation.rb:133:in `map'
from /Users/Hansen/.rvm/gems/ruby-2.1.3/gems/thor-0.19.1/lib/thor/invocation.rb:133:in `invoke_all'
from /Users/Hansen/.rvm/gems/ruby-2.1.3/gems/thor-0.19.1/lib/thor/group.rb:232:in `dispatch'
from /Users/Hansen/.rvm/gems/ruby-2.1.3/gems/thor-0.19.1/lib/thor/base.rb:440:in `start'
from /Users/Hansen/.rvm/gems/ruby-2.1.3/gems/railties-4.1.6/lib/rails/commands/application.rb:17:in `<top (required)>'
from /Users/Hansen/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from /Users/Hansen/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from /Users/Hansen/.rvm/gems/ruby-2.1.3/gems/railties-4.1.6/lib/rails/cli.rb:14:in `<top (required)>'
from /Users/Hansen/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from /Users/Hansen/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from /Users/Hansen/.rvm/gems/ruby-2.1.3/gems/railties-4.1.6/bin/rails:9:in `<top (required)>'
from /Users/Hansen/.rvm/gems/ruby-2.1.3/bin/rails:23:in `load'
from /Users/Hansen/.rvm/gems/ruby-2.1.3/bin/rails:23:in `<main>'
Hansens-MacBook-Pro:railsbridge Hansen$ gem install bundler
Fetching: bundler-1.7.3.gem (100%)
Successfully installed bundler-1.7.3
1 gem installed
Hansens-MacBook-Pro:railsbridge Hansen$ rails new test_app
exist
identical README.rdoc
identical Rakefile
identical config.ru
identical .gitignore
identical Gemfile
exist app
identical app/assets/javascripts/application.js
identical app/assets/stylesheets/application.css
identical app/controllers/application_controller.rb
identical app/helpers/application_helper.rb
identical app/views/layouts/application.html.erb
identical app/assets/images/.keep
identical app/mailers/.keep
identical app/models/.keep
identical app/controllers/concerns/.keep
identical app/models/concerns/.keep
exist bin
identical bin/bundle
identical bin/rails
identical bin/rake
exist config
identical config/routes.rb
identical config/application.rb
identical config/environment.rb
conflict config/secrets.yml
Overwrite /Users/Hansen/railsbridge/test_app/config/secrets.yml? (enter "h" forhelp) [Ynaqdh]
回答1:
To be able to run the rails commands you need to install at least two Gems manually:
gem install bundler
gem install rails
When both gems are installed you are able to run:
rails new app_name
Where app_name will be the name of your app and it will generate all application files in a subfolder app_name. If that folder already exists you may want to choose another name.
来源：https://stackoverflow.com/questions/26416692/errors-when-trying-rails-new-after-a-new-install