我的 config/environments/development.rb 里的代码如下:
config.file_watcher = ActiveSupport::EventedFileUpdateChecker
版本分别是:2.2.2/4.2.5.1 刚建的一个项目,好奇怪 报错信息如下:
你 rails new 一个新项目出来,看看新出来的 config/environments/development.rb
里面是否有这么一行,如果没有,去掉你项目里面的。
你的 rails 项目不是 4.2.5.1 的,4.2.5.1 没有 config.file_watcher = ActiveSupport::EventedFileUpdateChecker
从 rails 5 才开始有 config.file_watcher
的
ref: https://allmychanges.com/p/ruby/rails/#5.0 https://github.com/rails/rails/commits/92703a9ea5d8b96f30e0b706b801c9185ef14f0e/activesupport/lib/active_support/evented_file_update_checker.rb
rails -v
bin/rails -v
我是手动把 rails 版本改成 4.2.5.1 了,然后又 bundle 成功了,可是为什么还会出现 rails5 的东西呢 #6 楼 @huobazi Gemfile 如下:
source 'https://ruby.taobao.org'
git_source(:github) do |repo_name|
repo_name = "#{repo_name}/#{repo_name}" unless repo_name.include?("/")
"https://github.com/#{repo_name}.git"
end
# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
gem 'rails', '4.2.5.1'
# Use mysql as the database for Active Record
gem 'mysql2', '>= 0.3.18', '< 0.5'
# Use Puma as the app server
gem 'puma', '~> 3.0'
# 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', '~> 4.2'
# See https://github.com/rails/execjs#readme for more supported runtimes
# gem 'therubyracer', platforms: :ruby
# Use jquery as the JavaScript library
gem 'jquery-rails'
# Turbolinks makes navigating your web application faster. Read more: https://github.com/turbolinks/turbolinks
gem 'turbolinks', '~> 5'
# Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
gem 'jbuilder', '~> 2.5'
# Use Redis adapter to run Action Cable in production
# gem 'redis', '~> 3.0'
# Use ActiveModel has_secure_password
# gem 'bcrypt', '~> 3.1.7'
# Use Capistrano for deployment
# gem 'capistrano-rails', group: :development
group :development, :test do
# Call 'byebug' anywhere in the code to stop execution and get a debugger console
gem 'byebug', platform: :mri
end
group :development do
# Access an IRB console on exception pages or by using <%= console %> anywhere in the code.
gem 'web-console', '>= 3.3.0'
gem 'listen', '~> 3.0.5'
# Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
gem 'spring'
gem 'spring-watcher-listen', '~> 2.0.0'
end
# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
Gemfile.lock
GEM
remote: https://ruby.taobao.org/
specs:
actionmailer (4.2.5.1)
actionpack (= 4.2.5.1)
actionview (= 4.2.5.1)
activejob (= 4.2.5.1)
mail (~> 2.5, >= 2.5.4)
rails-dom-testing (~> 1.0, >= 1.0.5)
actionpack (4.2.5.1)
actionview (= 4.2.5.1)
activesupport (= 4.2.5.1)
rack (~> 1.6)
rack-test (~> 0.6.2)
rails-dom-testing (~> 1.0, >= 1.0.5)
rails-html-sanitizer (~> 1.0, >= 1.0.2)
actionview (4.2.5.1)
activesupport (= 4.2.5.1)
builder (~> 3.1)
erubis (~> 2.7.0)
rails-dom-testing (~> 1.0, >= 1.0.5)
rails-html-sanitizer (~> 1.0, >= 1.0.2)
activejob (4.2.5.1)
activesupport (= 4.2.5.1)
globalid (>= 0.3.0)
activemodel (4.2.5.1)
activesupport (= 4.2.5.1)
builder (~> 3.1)
activerecord (4.2.5.1)
activemodel (= 4.2.5.1)
activesupport (= 4.2.5.1)
arel (~> 6.0)
activesupport (4.2.5.1)
i18n (~> 0.7)
json (~> 1.7, >= 1.7.7)
minitest (~> 5.1)
thread_safe (~> 0.3, >= 0.3.4)
tzinfo (~> 1.1)
arel (6.0.4)
builder (3.2.2)
byebug (9.0.6)
coffee-rails (4.2.1)
coffee-script (>= 2.2.0)
railties (>= 4.0.0, < 5.2.x)
coffee-script (2.4.1)
coffee-script-source
execjs
coffee-script-source (1.12.2)
concurrent-ruby (1.0.4)
debug_inspector (0.0.2)
erubis (2.7.0)
execjs (2.7.0)
ffi (1.9.14)
globalid (0.3.7)
activesupport (>= 4.1.0)
i18n (0.7.0)
jbuilder (2.6.1)
activesupport (>= 3.0.0, < 5.1)
multi_json (~> 1.2)
jquery-rails (4.2.1)
rails-dom-testing (>= 1, < 3)
railties (>= 4.2.0)
thor (>= 0.14, < 2.0)
json (1.8.3)
listen (3.0.8)
rb-fsevent (~> 0.9, >= 0.9.4)
rb-inotify (~> 0.9, >= 0.9.7)
loofah (2.0.3)
nokogiri (>= 1.5.9)
mail (2.6.4)
mime-types (>= 1.16, < 4)
mime-types (3.1)
mime-types-data (~> 3.2015)
mime-types-data (3.2016.0521)
mini_portile2 (2.1.0)
minitest (5.10.1)
multi_json (1.12.1)
mysql2 (0.4.5)
nokogiri (1.7.0)
mini_portile2 (~> 2.1.0)
puma (3.6.2)
rack (1.6.5)
rack-test (0.6.3)
rack (>= 1.0)
rails (4.2.5.1)
actionmailer (= 4.2.5.1)
actionpack (= 4.2.5.1)
actionview (= 4.2.5.1)
activejob (= 4.2.5.1)
activemodel (= 4.2.5.1)
activerecord (= 4.2.5.1)
activesupport (= 4.2.5.1)
bundler (>= 1.3.0, < 2.0)
railties (= 4.2.5.1)
sprockets-rails
rails-deprecated_sanitizer (1.0.3)
activesupport (>= 4.2.0.alpha)
rails-dom-testing (1.0.8)
activesupport (>= 4.2.0.beta, < 5.0)
nokogiri (~> 1.6)
rails-deprecated_sanitizer (>= 1.0.1)
rails-html-sanitizer (1.0.3)
loofah (~> 2.0)
railties (4.2.5.1)
actionpack (= 4.2.5.1)
activesupport (= 4.2.5.1)
rake (>= 0.8.7)
thor (>= 0.18.1, < 2.0)
rake (12.0.0)
rb-fsevent (0.9.8)
rb-inotify (0.9.7)
ffi (>= 0.5.0)
sass (3.4.23)
sass-rails (5.0.6)
railties (>= 4.0.0, < 6)
sass (~> 3.1)
sprockets (>= 2.8, < 4.0)
sprockets-rails (>= 2.0, < 4.0)
tilt (>= 1.1, < 3)
spring (2.0.0)
activesupport (>= 4.2)
spring-watcher-listen (2.0.1)
listen (>= 2.7, < 4.0)
spring (>= 1.2, < 3.0)
sprockets (3.7.1)
concurrent-ruby (~> 1.0)
rack (> 1, < 3)
sprockets-rails (3.2.0)
actionpack (>= 4.0)
activesupport (>= 4.0)
sprockets (>= 3.0.0)
thor (0.19.4)
thread_safe (0.3.5)
tilt (2.0.5)
turbolinks (5.0.1)
turbolinks-source (~> 5)
turbolinks-source (5.0.0)
tzinfo (1.2.2)
thread_safe (~> 0.1)
uglifier (3.0.4)
execjs (>= 0.3.0, < 3)
web-console (3.3.0)
activemodel (>= 4.2)
debug_inspector
railties (>= 4.2)
PLATFORMS
ruby
DEPENDENCIES
byebug
coffee-rails (~> 4.2)
jbuilder (~> 2.5)
jquery-rails
listen (~> 3.0.5)
mysql2 (>= 0.3.18, < 0.5)
puma (~> 3.0)
rails (= 4.2.5.1)
sass-rails (~> 5.0)
spring
spring-watcher-listen (~> 2.0.0)
turbolinks (~> 5)
tzinfo-data
uglifier (>= 1.3.0)
web-console (>= 3.3.0)
BUNDLED WITH
1.13.6
你要 rails4 的项目要先把环境 Rail 版本改成 4 的,然后再用 rails new. 你用 rails5 的环境执行 rails new 当然会给你 rails5 的东西,后再改 gemfile bundle 不会自动给你删添改动非 gemfile.lock 的文件