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将我的 Rails 应用程序推送到 Heroku 时，预编译不起作用，现在每当我尝试执行任何操作(重新启动 Heroku、重置数据库、迁移数据库、重命名 Heroku 等)时，都会收到此错误:
更新:Bundler 似乎也无法在我的笔记本电脑上本地运行。
/usr/local/lib/ruby/site_ruby/1.8/rubygems/dependency.rb:52:in `initialize': Valid types are [:development, :runtime], not nil (ArgumentError)
from /Users/aaa/.rvm/gems/ruby-1.9.3-p194/gems/bundler-1.2.0/lib/bundler/resolver.rb:371:in `new'
from /Users/aaa/.rvm/gems/ruby-1.9.3-p194/gems/bundler-1.2.0/lib/bundler/resolver.rb:371:in `search'
from /Users/aaa/.rvm/gems/ruby-1.9.3-p194/gems/bundler-1.2.0/lib/bundler/resolver.rb:361:in `gems_size'
from /Users/aaa/.rvm/gems/ruby-1.9.3-p194/gems/bundler-1.2.0/lib/bundler/resolver.rb:159:in `start'
from /Users/aaa/.rvm/gems/ruby-1.9.3-p194/gems/bundler-1.2.0/lib/bundler/resolver.rb:159:in `map'
from /Users/aaa/.rvm/gems/ruby-1.9.3-p194/gems/bundler-1.2.0/lib/bundler/resolver.rb:159:in `start'
from /Users/aaa/.rvm/gems/ruby-1.9.3-p194/gems/bundler-1.2.0/lib/bundler/resolver.rb:128:in `resolve'
from /Users/aaa/.rvm/gems/ruby-1.9.3-p194/gems/bundler-1.2.0/lib/bundler/resolver.rb:127:in `catch'
from /Users/aaa/.rvm/gems/ruby-1.9.3-p194/gems/bundler-1.2.0/lib/bundler/resolver.rb:127:in `resolve'
from /Users/aaa/.rvm/gems/ruby-1.9.3-p194/gems/bundler-1.2.0/lib/bundler/definition.rb:182:in `resolve'
from /Users/aaa/.rvm/gems/ruby-1.9.3-p194/gems/bundler-1.2.0/lib/bundler/definition.rb:113:in `specs'
from /Users/aaa/.rvm/gems/ruby-1.9.3-p194/gems/bundler-1.2.0/lib/bundler/environment.rb:27:in `specs'
from /Users/aaa/.rvm/gems/ruby-1.9.3-p194@global/gems/rubygems-bundler-1.1.0/lib/rubygems-bundler/noexec.rb:56:in `candidate?'
from /Users/aaa/.rvm/gems/ruby-1.9.3-p194@global/gems/rubygems-bundler-1.1.0/lib/rubygems-bundler/noexec.rb:74:in `setup'
from /Users/aaa/.rvm/gems/ruby-1.9.3-p194@global/gems/rubygems-bundler-1.1.0/lib/rubygems-bundler/noexec.rb:89
from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require'
from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
from /Users/aaa/.rvm/gems/ruby-1.9.3-p194/bin/ruby_noexec_wrapper:9
这是原始推送中发生的情况:
Running: rake assets:precompile
rake aborted!
could not connect to server: Connection refused
Is the server running on host "127.0.0.1" and accepting
TCP/IP connections on port 5432?
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/connection_adapters/postgresql_adapter.rb:1208:in `initialize'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/connection_adapters/postgresql_adapter.rb:1208:in `new'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/connection_adapters/postgresql_adapter.rb:1208:in `connect'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/connection_adapters/postgresql_adapter.rb:326:in `initialize'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/connection_adapters/postgresql_adapter.rb:28:in `new'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/connection_adapters/postgresql_adapter.rb:28:in `postgresql_connection'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/connection_adapters/abstract/connection_pool.rb:315:in `new_connection'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/connection_adapters/abstract/connection_pool.rb:325:in `checkout_new_connection'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/connection_adapters/abstract/connection_pool.rb:247:in `block (2 levels) in checkout'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/connection_adapters/abstract/connection_pool.rb:242:in `loop'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/connection_adapters/abstract/connection_pool.rb:242:in `block in checkout'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/connection_adapters/abstract/connection_pool.rb:239:in `checkout'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/connection_adapters/abstract/connection_pool.rb:102:in `block in connection'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/connection_adapters/abstract/connection_pool.rb:101:in `connection'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/connection_adapters/abstract/connection_pool.rb:410:in `retrieve_connection'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/connection_adapters/abstract/connection_specification.rb:171:in `retrieve_connection'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/connection_adapters/abstract/connection_specification.rb:145:in `connection'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/model_schema.rb:308:in `clear_cache!'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.9/lib/active_record/railtie.rb:97:in `block (2 levels) in <class:Railtie>'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.9/lib/active_support/callbacks.rb:418:in `_run__1193294461922673159__prepare__3401192585586483770__callbacks'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.9/lib/active_support/callbacks.rb:405:in `__run_callback'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.9/lib/active_support/callbacks.rb:385:in `_run_prepare_callbacks'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.9/lib/active_support/callbacks.rb:81:in `run_callbacks'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.9/lib/action_dispatch/middleware/reloader.rb:74:in `prepare!'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.9/lib/action_dispatch/middleware/reloader.rb:48:in `prepare!'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/railties-3.2.9/lib/rails/application/finisher.rb:47:in `block in <module:Finisher>'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/railties-3.2.9/lib/rails/initializable.rb:30:in `instance_exec'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/railties-3.2.9/lib/rails/initializable.rb:30:in `run'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/railties-3.2.9/lib/rails/initializable.rb:55:in `block in run_initializers'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/railties-3.2.9/lib/rails/initializable.rb:54:in `each'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/railties-3.2.9/lib/rails/initializable.rb:54:in `run_initializers'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/railties-3.2.9/lib/rails/application.rb:136:in `initialize!'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/railties-3.2.9/lib/rails/railtie/configurable.rb:30:in `method_missing'
/tmp/build_13mv4cuh78fg0/config/environment.rb:5:in `<top (required)>'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.9/lib/active_support/dependencies.rb:251:in `require'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.9/lib/active_support/dependencies.rb:251:in `block in require'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.9/lib/active_support/dependencies.rb:236:in `load_dependency'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.9/lib/active_support/dependencies.rb:251:in `require'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/railties-3.2.9/lib/rails/application.rb:103:in `require_environment!'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/railties-3.2.9/lib/rails/application.rb:297:in `block (2 levels) in initialize_tasks'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.9/lib/sprockets/assets.rake:93:in `block (2 levels) in <top (required)>'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.9/lib/sprockets/assets.rake:60:in `block (3 levels) in <top (required)>'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.9/lib/sprockets/assets.rake:23:in `invoke_or_reboot_rake_task'
/tmp/build_13mv4cuh78fg0/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.9/lib/sprockets/assets.rake:29:in `block (2 levels) in <top (required)>'
Tasks: TOP => environment
(See full trace by running task with --trace)
Precompiling assets failed, enabling runtime asset compilation
如果任何人能够为解决此问题提供任何帮助，我将不胜感激。
更新:这是我的 Gemfile:
source 'https://rubygems.org'
gem 'rails', '3.2.9'
gem 'pg'
gem 'redis'
gem 'bcrypt-ruby', '3.0.1'
gem 'jquery-rails'
gem 'rails-i18n'
gem 'globalize3', '~> 0.2.0'
gem 'batch_translations', '~> 0.1.2'
group :assets do
gem 'sass-rails', '~> 3.2.3'
gem 'coffee-rails', '~> 3.2.1'
gem 'uglifier', '>= 1.0.3'
end
最佳答案
我在这里找到了一个解决方案，看起来有点像您在这里遇到的问题
Assets:precompile error heroku
它基本上是说将此行 config.assets.initialize_on_precompile = false 添加到您的 application.rb 文件中。显然 Rails 3.2 和 Heroku 存在问题。这可能会也可能不会解决您的问题，但它会缩小可能性。
此外，您可能想尝试在 Gemfile 中添加以下内容:source 行下的 ruby "1.9.3"。让我知道这个是否奏效。另请确保在添加该行后运行捆绑安装。
关于ruby-on-rails - Heroku预编译错误，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/13663857/
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