Ruby on rails rake Rails:update:bin期间，Rails polymer中的Rails name错误（未初始化常量链轮：：处理器）`

我正在尝试通过应用程序升级以使用新的Rails 4 binstubs。实际上，这是一个全新的Rails 4项目，但我最初运行了bundle--binstubs，现在正在修复它。尝试：

bundle exec rake rails:update:bin --trace

我明白了：

rake aborted!
NameError: uninitialized constant Sprockets::Processor
/home/nick/.rbenv/versions/2.1.5/lib/ruby/gems/2.1.0/gems/polymer-rails-0.2.8/lib/polymer-rails/processors/components_processor.rb:5:in `<module:Rails>'
/home/nick/.rbenv/versions/2.1.5/lib/ruby/gems/2.1.0/gems/polymer-rails-0.2.8/lib/polymer-rails/processors/components_processor.rb:4:in `<module:Polymer>'
/home/nick/.rbenv/versions/2.1.5/lib/ruby/gems/2.1.0/gems/polymer-rails-0.2.8/lib/polymer-rails/processors/components_processor.rb:3:in `<top (required)>'
/home/nick/.rbenv/versions/2.1.5/lib/ruby/gems/2.1.0/gems/polymer-rails-0.2.8/lib/polymer-rails.rb:4:in `require'
/home/nick/.rbenv/versions/2.1.5/lib/ruby/gems/2.1.0/gems/polymer-rails-0.2.8/lib/polymer-rails.rb:4:in `<top (required)>'
/home/nick/.rbenv/versions/2.1.5/lib/ruby/gems/2.1.0/gems/bundler-1.9.6/lib/bundler/runtime.rb:76:in `require'
/home/nick/.rbenv/versions/2.1.5/lib/ruby/gems/2.1.0/gems/bundler-1.9.6/lib/bundler/runtime.rb:76:in `block (2 levels) in require'
/home/nick/.rbenv/versions/2.1.5/lib/ruby/gems/2.1.0/gems/bundler-1.9.6/lib/bundler/runtime.rb:72:in `each'
/home/nick/.rbenv/versions/2.1.5/lib/ruby/gems/2.1.0/gems/bundler-1.9.6/lib/bundler/runtime.rb:72:in `block in require'
/home/nick/.rbenv/versions/2.1.5/lib/ruby/gems/2.1.0/gems/bundler-1.9.6/lib/bundler/runtime.rb:61:in `each'
/home/nick/.rbenv/versions/2.1.5/lib/ruby/gems/2.1.0/gems/bundler-1.9.6/lib/bundler/runtime.rb:61:in `require'
/home/nick/.rbenv/versions/2.1.5/lib/ruby/gems/2.1.0/gems/bundler-1.9.6/lib/bundler.rb:134:in `require'
/home/nick/Development/sh0/web/config/application.rb:7:in `<top (required)>'
/home/nick/Development/sh0/web/Rakefile:4:in `require'
/home/nick/Development/sh0/web/Rakefile:4:in `<top (required)>'
/home/nick/.rbenv/versions/2.1.5/lib/ruby/gems/2.1.0/gems/rake-10.4.2/lib/rake/rake_module.rb:28:in `load'
/home/nick/.rbenv/versions/2.1.5/lib/ruby/gems/2.1.0/gems/rake-10.4.2/lib/rake/rake_module.rb:28:in `load_rakefile'
/home/nick/.rbenv/versions/2.1.5/lib/ruby/gems/2.1.0/gems/rake-10.4.2/lib/rake/application.rb:689:in `raw_load_rakefile'
/home/nick/.rbenv/versions/2.1.5/lib/ruby/gems/2.1.0/gems/rake-10.4.2/lib/rake/application.rb:94:in `block in load_rakefile'
/home/nick/.rbenv/versions/2.1.5/lib/ruby/gems/2.1.0/gems/rake-10.4.2/lib/rake/application.rb:176:in `standard_exception_handling'
/home/nick/.rbenv/versions/2.1.5/lib/ruby/gems/2.1.0/gems/rake-10.4.2/lib/rake/application.rb:93:in `load_rakefile'
/home/nick/.rbenv/versions/2.1.5/lib/ruby/gems/2.1.0/gems/rake-10.4.2/lib/rake/application.rb:77:in `block in run'
/home/nick/.rbenv/versions/2.1.5/lib/ruby/gems/2.1.0/gems/rake-10.4.2/lib/rake/application.rb:176:in `standard_exception_handling'
/home/nick/.rbenv/versions/2.1.5/lib/ruby/gems/2.1.0/gems/rake-10.4.2/lib/rake/application.rb:75:in `run'
/home/nick/.rbenv/versions/2.1.5/lib/ruby/gems/2.1.0/gems/rake-10.4.2/bin/rake:33:in `<top (required)>'
/home/nick/.rbenv/versions/2.1.5/bin/rake:23:in `load'
/home/nick/.rbenv/versions/2.1.5/bin/rake:23:in `<main>'

断然的！ 此版本的

rails polymer

不支持

sprockets

>=3.0.0

我首先在gem文件中指定

gem'sprockets'，“<3.0.0”

，然后运行

bundle update sprockets

，解决了这个问题

---

请参阅下面发布的正确答案

如果您的

Gemfile.lock

中有

链轮>=3.0.0

，则问题在于

聚合物导轨

与之不兼容。他们已经更新了回购协议，以限制链轮版本，但新版本的gem可能尚未发布，或者您使用的是旧版本的gem

---

谢谢！我首先在gem文件中指定

gem'sprockets'，“<3.0.0”

，然后运行

bundle update sprockets

，解决了这个问题。

source 'https://rubygems.org'

# Bower components
source 'https://rails-assets.org' do
  gem 'rails-assets-polymer'
end

# Polymer-Rails
gem 'polymer-rails'
# Sprockets
gem 'sprockets'
gem 'sprockets-rails'
# Deployment
gem 'mina'
# MySQL for relational data
gem 'mysql2'
# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
gem 'rails', '4.2.0'
# Use sqlite3 as the database for Active Record
gem 'sqlite3'
# Use SCSS for stylesheets
gem 'sass-rails', '~> 5.0'
# Use Uglifier as compressor for JavaScript assets
gem 'uglifier', '>= 1.3.0'
# Use CoffeeScript for .coffee assets and views
gem 'coffee-rails', '~> 4.1.0'
# See https://github.com/sstephenson/execjs#readme for more supported runtimes
# gem 'therubyracer', platforms: :ruby

# Use jquery as the JavaScript library
gem 'jquery-rails'
# Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks
gem 'turbolinks'
# Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
gem 'jbuilder', '~> 2.0'
# bundle exec rake doc:rails generates the API under doc/api.
gem 'sdoc', '~> 0.4.0', group: :doc

# Use ActiveModel has_secure_password
# gem 'bcrypt', '~> 3.1.7'

# Use Unicorn as the app server
gem 'unicorn'

group :development, :test do
  # Call 'byebug' anywhere in the code to stop execution and get a debugger console
  gem 'byebug'

  # Access an IRB console on exception pages or by using <%= console %> in views
  gem 'web-console', '~> 2.0'

  # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
  gem 'spring'
end