我目前正在使用rails 4.2.0和ruby 2.3.0并且我正确设置了所有内容。 Ran rake db：migrate，bundle install，使用正确的ssh键设置heroku，并将其推送到heroku但是它给了我这么长的错误列表我不知道为什么并且没有能力找到发布此问题的其他人。有没有人有想法？我在生产组下的gemfile中有pg。
remote: rake aborted!
remote: Gem::LoadError: Specified 'postgresql' for database adapter, but the gem is not loaded. Add `gem 'pg'` to your Gemfile (and ensure its version is at the minimum required by ActiveRecord).
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.1/lib/active_record/connection_adapters/connection_specification.rb:177:in `rescue in spec'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.1/lib/active_record/connection_adapters/connection_specification.rb:174:in `spec'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.1/lib/active_record/connection_handling.rb:50:in `establish_connection'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.1/lib/active_record/railtie.rb:120:in `block (2 levels) in <class:Railtie>'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/lazy_load_hooks.rb:38:in `instance_eval'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/lazy_load_hooks.rb:38:in `execute_hook'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/lazy_load_hooks.rb:45:in `block in run_load_hooks'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/lazy_load_hooks.rb:44:in `each'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/lazy_load_hooks.rb:44:in `run_load_hooks'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.1/lib/active_record/base.rb:316:in `<module:ActiveRecord>'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.1/lib/active_record/base.rb:26:in `<top (required)>'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:274:in `require'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:274:in `block in require'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:240:in `load_dependency'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:274:in `require'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/app/models/model.rb:1:in `<top (required)>'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:274:in `require'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:274:in `block in require'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:240:in `load_dependency'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:274:in `require'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:360:in `require_or_load'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:494:in `load_missing_constant'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:184:in `const_missing'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/inflector/methods.rb:261:in `const_get'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/inflector/methods.rb:261:in `block in constantize'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/inflector/methods.rb:259:in `each'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/inflector/methods.rb:259:in `inject'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/inflector/methods.rb:259:in `constantize'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:566:in `get'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:597:in `constantize'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/devise-4.4.1/lib/devise.rb:315:in `get'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/devise-4.4.1/lib/devise/mapping.rb:83:in `to'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/devise-4.4.1/lib/devise/mapping.rb:78:in `modules'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/devise-4.4.1/lib/devise/mapping.rb:95:in `routes'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/devise-4.4.1/lib/devise/mapping.rb:162:in `default_used_route'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/devise-4.4.1/lib/devise/mapping.rb:72:in `initialize'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/devise-4.4.1/lib/devise.rb:345:in `new'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/devise-4.4.1/lib/devise.rb:345:in `add_mapping'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/devise-4.4.1/lib/devise/rails/routes.rb:243:in `block in devise_for'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/devise-4.4.1/lib/devise/rails/routes.rb:242:in `each'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/devise-4.4.1/lib/devise/rails/routes.rb:242:in `devise_for'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/config/routes.rb:2:in `block in <top (required)>'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.1/lib/action_dispatch/routing/route_set.rb:432:in `instance_exec'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.1/lib/action_dispatch/routing/route_set.rb:432:in `eval_block'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.1/lib/action_dispatch/routing/route_set.rb:410:in `draw'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/config/routes.rb:1:in `<top (required)>'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:268:in `load'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:268:in `block in load'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:240:in `load_dependency'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:268:in `load'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/application/routes_reloader.rb:40:in `block in load_paths'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/application/routes_reloader.rb:40:in `each'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/application/routes_reloader.rb:40:in `load_paths'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/application/routes_reloader.rb:16:in `reload!'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/application/routes_reloader.rb:26:in `block in updater'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/file_update_checker.rb:75:in `execute'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/application/routes_reloader.rb:27:in `updater'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/application/routes_reloader.rb:7:in `execute_if_updated'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/application/finisher.rb:69:in `block in <module:Finisher>'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/initializable.rb:30:in `instance_exec'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/initializable.rb:30:in `run'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/initializable.rb:55:in `block in run_initializers'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/initializable.rb:54:in `run_initializers'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/application.rb:352:in `initialize!'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/config/environment.rb:5:in `<top (required)>'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:274:in `require'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:274:in `block in require'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:240:in `load_dependency'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:274:in `require'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/application.rb:328:in `require_environment!'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/application.rb:457:in `block in run_tasks_blocks'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/sprockets-rails-3.2.1/lib/sprockets/rails/task.rb:62:in `block (2 levels) in define'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/rake-12.3.0/exe/rake:27:in `<top (required)>'
remote: Caused by:
remote: Gem::LoadError: can't activate pg (~> 0.15), already activated pg-1.0.0. Make sure all dependencies are added to Gemfile.
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/bundler-1.15.2/lib/bundler/rubygems_integration.rb:377:in `block (2 levels) in replace_gem'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.1/lib/active_record/connection_adapters/postgresql_adapter.rb:16:in `<top (required)>'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:274:in `require'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:274:in `block in require'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:240:in `load_dependency'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:274:in `require'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.1/lib/active_record/connection_adapters/connection_specification.rb:175:in `spec'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.1/lib/active_record/connection_handling.rb:50:in `establish_connection'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.1/lib/active_record/railtie.rb:120:in `block (2 levels) in <class:Railtie>'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/lazy_load_hooks.rb:38:in `instance_eval'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/lazy_load_hooks.rb:38:in `execute_hook'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/lazy_load_hooks.rb:45:in `block in run_load_hooks'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/lazy_load_hooks.rb:44:in `each'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/lazy_load_hooks.rb:44:in `run_load_hooks'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.1/lib/active_record/base.rb:316:in `<module:ActiveRecord>'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.1/lib/active_record/base.rb:26:in `<top (required)>'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:274:in `require'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:274:in `block in require'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:240:in `load_dependency'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:274:in `require'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/app/models/model.rb:1:in `<top (required)>'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:274:in `require'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:274:in `block in require'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:240:in `load_dependency'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:274:in `require'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:360:in `require_or_load'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:494:in `load_missing_constant'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:184:in `const_missing'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/inflector/methods.rb:261:in `const_get'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/inflector/methods.rb:261:in `block in constantize'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/inflector/methods.rb:259:in `each'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/inflector/methods.rb:259:in `inject'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/inflector/methods.rb:259:in `constantize'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:566:in `get'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:597:in `constantize'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/devise-4.4.1/lib/devise.rb:315:in `get'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/devise-4.4.1/lib/devise/mapping.rb:83:in `to'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/devise-4.4.1/lib/devise/mapping.rb:78:in `modules'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/devise-4.4.1/lib/devise/mapping.rb:95:in `routes'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/devise-4.4.1/lib/devise/mapping.rb:162:in `default_used_route'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/devise-4.4.1/lib/devise/mapping.rb:72:in `initialize'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/devise-4.4.1/lib/devise.rb:345:in `new'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/devise-4.4.1/lib/devise.rb:345:in `add_mapping'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/devise-4.4.1/lib/devise/rails/routes.rb:243:in `block in devise_for'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/devise-4.4.1/lib/devise/rails/routes.rb:242:in `each'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/devise-4.4.1/lib/devise/rails/routes.rb:242:in `devise_for'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/config/routes.rb:2:in `block in <top (required)>'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.1/lib/action_dispatch/routing/route_set.rb:432:in `instance_exec'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.1/lib/action_dispatch/routing/route_set.rb:432:in `eval_block'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/actionpack-4.2.1/lib/action_dispatch/routing/route_set.rb:410:in `draw'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/config/routes.rb:1:in `<top (required)>'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:268:in `load'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:268:in `block in load'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:240:in `load_dependency'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:268:in `load'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/application/routes_reloader.rb:40:in `block in load_paths'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/application/routes_reloader.rb:40:in `each'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/application/routes_reloader.rb:40:in `load_paths'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/application/routes_reloader.rb:16:in `reload!'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/application/routes_reloader.rb:26:in `block in updater'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/file_update_checker.rb:75:in `execute'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/application/routes_reloader.rb:27:in `updater'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/application/routes_reloader.rb:7:in `execute_if_updated'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/application/finisher.rb:69:in `block in <module:Finisher>'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/initializable.rb:30:in `instance_exec'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/initializable.rb:30:in `run'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/initializable.rb:55:in `block in run_initializers'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/initializable.rb:54:in `run_initializers'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/application.rb:352:in `initialize!'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/config/environment.rb:5:in `<top (required)>'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:274:in `require'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:274:in `block in require'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:240:in `load_dependency'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.1/lib/active_support/dependencies.rb:274:in `require'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/application.rb:328:in `require_environment!'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/railties-4.2.1/lib/rails/application.rb:457:in `block in run_tasks_blocks'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/sprockets-rails-3.2.1/lib/sprockets/rails/task.rb:62:in `block (2 levels) in define'
remote: /tmp/build_f31b20b847caecf6a3cf00e2a3b180b2/vendor/bundle/ruby/2.3.0/gems/rake-12.3.0/exe/rake:27:in `<top (required)>'
remote: Tasks: TOP => environment
remote: (See full trace by running task with --trace)
remote: !
remote: ! Precompiling assets failed.
remote: !
remote: ! Push rejected, failed to compile Ruby app.
remote:
remote: ! Push failed
remote: Verifying deploy...
remote:
答案 0 :(得分：0)
我建议你替换：
gem 'pg'
为：
gem 'pg', '~> 0.18'
然后运行bundle install并提交然后推送。
Rails在pg最新版本中仍存在一些问题。
希望这对你有用：）