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我收到此错误:为数据库适配器指定了'sqlite3‘,但未加载gem
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Stack Overflow用户
提问于 2019-02-14 03:42:14
回答 2查看 121关注 0票数 0

我正在尝试使用以下命令在Cloud 9上运行Ruby on Rails应用程序:

代码语言:javascript
复制
rails s -p $PORT -b $IP 

我收到一个错误,告诉我在gem文件中没有sqlite3。这只发生在我将我的代码推送到Heroku之后,现在它不再在控制台中运行了。

我已经尝试了‘捆绑包安装’和‘捆绑包更新’,我也尝试通过运行'gem install sqlite3‘来手动安装sqlite3,但这些都没有解决我的问题。我也开始从头到尾重复所有的步骤,看看这个问题是否会再次出现,它确实出现了。

代码语言:javascript
复制
source 'https://rubygems.org'

ruby '2.4.1'

# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
gem 'rails', '4.2.10'
# 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/rails/execjs#readme for more supported runtimes
# gem 'therubyracer', platforms: :ruby
# Use Haml as the templating library
gem 'haml'
# 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'

# Use Capistrano for deployment
# gem 'capistrano-rails', group: :development

gem 'themoviedb'

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

  gem 'rspec-rails'
  gem 'guard-rspec'

  # Use sqlite3 as the database for Active Record
  gem 'sqlite3'

  # 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

group :production do
  gem 'pg', '~> 0.21' # for Heroku deployment
  gem 'rails_12factor'
end
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回答 2

Stack Overflow用户

发布于 2019-02-14 03:44:47

您的应用程序可能在Heroku上运行生产环境,但是您的Gemfile只在开发和测试组中包含sqlite3。将sqlite3移出组,以便它在所有环境中都可用,然后重新部署。

票数 0
EN

Stack Overflow用户

发布于 2019-07-23 12:18:10

Rails 5的1.4.0以上的sqlite3版本有问题。在Gemfile v1.3.11或v1.3.13中明确提到sqlite3版本。(gem 'sqlite3','~> 1.3.11')

票数 0
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页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接:

https://stackoverflow.com/questions/54678171

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