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我对 Ruby 很陌生，我试图将我的代码推送到 Heroku，但似乎当我尝试时：

git push heroku master

推送失败并显示此错误：

Bundle completed (25.17s)
   Cleaning up the bundler cache.
   -----> Preparing app for Rails asset pipeline
   Running: rake assets:precompile
   DEPRECATION WARNING: Paths in SQLite3 database URLs of the form `sqlite3:///path` will be treated as absolute in Rails 4.2. Please switch to `sqlite3:dbname`. (called from <top (required)> at /tmp/build_9b82245b019e78f91f12b14e50aeac25/Rakefile:6)
   rake aborted!
   Gem::LoadError: Specified 'sqlite3' for database adapter, but the gem is not loaded. Add `gem 'sqlite3'` to your Gemfile (and ensure its version is at the minimum required by ActiveRecord).
   /tmp/build_9b82245b019e78f91f12b14e50aeac25/vendor/bundle/ruby/2.0.0/gems/activerecord-4.1.6/lib/active_record/connection_adapters/connection_specification.rb:190:in `rescue in spec'
   /tmp/build_9b82245b019e78f91f12b14e50aeac25/vendor/bundle/ruby/2.0.0/gems/activerecord-4.1.6/lib/active_record/connection_adapters/connection_specification.rb:187:in `spec'
   /tmp/build_9b82245b019e78f91f12b14e50aeac25/vendor/bundle/ruby/2.0.0/gems/activerecord-4.1.6/lib/active_record/connection_handling.rb:50:in `establish_connection'
   /tmp/build_9b82245b019e78f91f12b14e50aeac25/vendor/bundle/ruby/2.0.0/gems/activerecord-4.1.6/lib/active_record/railtie.rb:129:in `block (2 levels) in <class:Railtie>'
   /tmp/build_9b82245b019e78f91f12b14e50aeac25/vendor/bundle/ruby/2.0.0/gems/activesupport-4.1.6/lib/active_support/lazy_load_hooks.rb:38:in `instance_eval'
   /tmp/build_9b82245b019e78f91f12b14e50aeac25/vendor/bundle/ruby/2.0.0/gems/activesupport-4.1.6/lib/active_support/lazy_load_hooks.rb:38:in `execute_hook'
   /tmp/build_9b82245b019e78f91f12b14e50aeac25/vendor/bundle/ruby/2.0.0/gems/activesupport-4.1.6/lib/active_support/lazy_load_hooks.rb:28:in `block in on_load'
   /tmp/build_9b82245b019e78f91f12b14e50aeac25/vendor/bundle/ruby/2.0.0/gems/activesupport-4.1.6/lib/active_support/lazy_load_hooks.rb:27:in `each'
   /tmp/build_9b82245b019e78f91f12b14e50aeac25/vendor/bundle/ruby/2.0.0/gems/activesupport-4.1.6/lib/active_support/lazy_load_hooks.rb:27:in `on_load'
   /tmp/build_9b82245b019e78f91f12b14e50aeac25/vendor/bundle/ruby/2.0.0/gems/activerecord-4.1.6/lib/active_record/railtie.rb:118:in `block in <class:Railtie>'
   /tmp/build_9b82245b019e78f91f12b14e50aeac25/vendor/bundle/ruby/2.0.0/gems/railties-4.1.6/lib/rails/initializable.rb:30:in `instance_exec'
   /tmp/build_9b82245b019e78f91f12b14e50aeac25/vendor/bundle/ruby/2.0.0/gems/railties-4.1.6/lib/rails/initializable.rb:30:in `run'
   /tmp/build_9b82245b019e78f91f12b14e50aeac25/vendor/bundle/ruby/2.0.0/gems/railties-4.1.6/lib/rails/initializable.rb:55:in `block in run_initializers'
   /tmp/build_9b82245b019e78f91f12b14e50aeac25/vendor/bundle/ruby/2.0.0/gems/railties-4.1.6/lib/rails/initializable.rb:54:in `run_initializers'
   /tmp/build_9b82245b019e78f91f12b14e50aeac25/vendor/bundle/ruby/2.0.0/gems/railties-4.1.6/lib/rails/application.rb:300:in `initialize!'
   /tmp/build_9b82245b019e78f91f12b14e50aeac25/config/environment.rb:5:in `<top (required)>'
   /tmp/build_9b82245b019e78f91f12b14e50aeac25/vendor/bundle/ruby/2.0.0/gems/activesupport-4.1.6/lib/active_support/dependencies.rb:247:in `require'
   /tmp/build_9b82245b019e78f91f12b14e50aeac25/vendor/bundle/ruby/2.0.0/gems/activesupport-4.1.6/lib/active_support/dependencies.rb:247:in `block in require'
   /tmp/build_9b82245b019e78f91f12b14e50aeac25/vendor/bundle/ruby/2.0.0/gems/activesupport-4.1.6/lib/active_support/dependencies.rb:232:in `load_dependency'
   /tmp/build_9b82245b019e78f91f12b14e50aeac25/vendor/bundle/ruby/2.0.0/gems/activesupport-4.1.6/lib/active_support/dependencies.rb:247:in `require'
   /tmp/build_9b82245b019e78f91f12b14e50aeac25/vendor/bundle/ruby/2.0.0/gems/railties-4.1.6/lib/rails/application.rb:276:in `require_environment!'
   /tmp/build_9b82245b019e78f91f12b14e50aeac25/vendor/bundle/ruby/2.0.0/gems/railties-4.1.6/lib/rails/application.rb:389:in `block in run_tasks_blocks'
   /tmp/build_9b82245b019e78f91f12b14e50aeac25/vendor/bundle/ruby/2.0.0/gems/sprockets-rails-2.2.1/lib/sprockets/rails/task.rb:64:in `block (2 levels) in define'
   Tasks: TOP => environment
   (See full trace by running task with --trace)
    !
    !     Precompiling assets failed.
    !

    !     Push rejected, failed to compile Ruby app

   To git@heroku.com:rigpirate.git
    ! [remote rejected] master -> master (pre-receive hook declined)
   error: failed to push some refs to 'git@heroku.com:testapp.git'

这是我向 Heroku 提交推送命令后显示的内容。我认为这是因为我在 gem 文件中的代码：

gem 'rails', '4.1.6'
group :development, :test do 
    gem 'sqlite3'
end
gem 'sass-rails', '~> 4.0.3'
gem 'uglifier', '>= 1.3.0'
gem 'coffee-rails', '~> 4.0.0'y
gem 'jquery-rails'
gem 'turbolinks'
gem 'jbuilder', '~> 2.0'
gem 'sdoc', '~> 0.4.0',          group: :doc
gem 'spring',        group: :development
gem 'devise'
gem 'simple_form'

有人可以帮我解决这个问题吗？

4

2 回答 2

1

目前，您将sqlite3gem 放在developmentandtest组中。如果您想在 Heroku 上使用 sqlite3 进行部署，您还需要将其包含在生产组中，这就像删除group :development, :test.

请注意，在 Heroku 上使用 sqlite3 很可能是个坏主意，最好使用 Heroku Postgres。阅读 Heroku 文档以获取更多信息。

于 2014-12-15T16:46:13.360 回答
0

经过一段时间的搜索，我在这里看到了答案

 http://ryanbigg.com/2014/10/ubuntu-ruby-ruby-install-chruby-and-you//

我只需要安装 PG 然后做一个

sudo apt-get install libpq-dev

然后推动heroku工作

于 2014-12-15T16:45:09.750 回答