将rails 3升级到rails 4.2.4之后，我想在我的project.i中使用react-rails gem。遵循官方的react-rails文档。
rake webpacker:install收到此错误。
Webpacker configuration file not found /home/projects/config/webpacker.yml. Please run rails webpacker:install Error: No such file or directory @ rb_sysopen - /home/projects/config/webpacker.yml
/home/.rvm/gems/ruby-2.3.4/gems/webpacker-3.5.2/lib/webpacker/configuration.rb:73:in `rescue in load'
/home/.rvm/gems/ruby-2.3.4/gems/webpacker-3.5.2/lib/webpacker/configuration.rb:70:in `load'
/home/.rvm/gems/ruby-2.3.4/gems/webpacker-3.5.2/lib/webpacker/configuration.rb:66:in `data'
/home/.rvm/gems/ruby-2.3.4/gems/webpacker-3.5.2/lib/webpacker/configuration.rb:62:in `fetch'
/home/.rvm/gems/ruby-2.3.4/gems/webpacker-3.5.2/lib/webpacker/configuration.rb:17:in `compile?'
/home/.rvm/gems/ruby-2.3.4/gems/webpacker-3.5.2/lib/webpacker/manifest.rb:32:in `compiling?'
/home/.rvm/gems/ruby-2.3.4/gems/webpacker-3.5.2/lib/webpacker/manifest.rb:22:in `lookup'
/home/.rvm/gems/ruby-2.3.4/gems/react-rails-2.4.4/lib/react/server_rendering/webpacker_manifest_container.rb:42:in `find_asset'
/home/.rvm/gems/ruby-2.3.4/gems/react-rails-2.4.4/lib/react/server_rendering/bundle_renderer.rb:27:in `block in initialize'
/home/.rvm/gems/ruby-2.3.4/gems/react-rails-2.4.4/lib/react/server_rendering/bundle_renderer.rb:26:in `each'
/home/.rvm/gems/ruby-2.3.4/gems/react-rails-2.4.4/lib/react/server_rendering/bundle_renderer.rb:26:in `initialize'
/home/.rvm/gems/ruby-2.3.4/gems/react-rails-2.4.4/lib/react/server_rendering.rb:17:in `new'
/home/.rvm/gems/ruby-2.3.4/gems/react-rails-2.4.4/lib/react/server_rendering.rb:17:in `block in reset_pool'
/home/.rvm/gems/ruby-2.3.4/gems/connection_pool-0.9.3/lib/timed_queue.rb:6:in `block in initialize'
/home/.rvm/gems/ruby-2.3.4/gems/connection_pool-0.9.3/lib/timed_queue.rb:6:in `initialize'
/home/.rvm/gems/ruby-2.3.4/gems/connection_pool-0.9.3/lib/timed_queue.rb:6:in `new'
/home/.rvm/gems/ruby-2.3.4/gems/connection_pool-0.9.3/lib/timed_queue.rb:6:in `initialize'
/home/.rvm/gems/ruby-2.3.4/gems/connection_pool-0.9.3/lib/connection_pool.rb:42:in `new'
/home/.rvm/gems/ruby-2.3.4/gems/connection_pool-0.9.3/lib/connection_pool.rb:42:in `initialize'
/home/.rvm/gems/ruby-2.3.4/gems/react-rails-2.4.4/lib/react/server_rendering.rb:17:in `new'
/home/.rvm/gems/ruby-2.3.4/gems/react-rails-2.4.4/lib/react/server_rendering.rb:17:in `reset_pool'
/home/.rvm/gems/ruby-2.3.4/gems/react-rails-2.4.4/lib/react/rails/railtie.rb:104:in `block in <class:Railtie>'
/home/.rvm/gems/ruby-2.3.4/gems/activesupport-4.2.4/lib/active_support/lazy_load_hooks.rb:36:in `execute_hook'
/home/.rvm/gems/ruby-2.3.4/gems/activesupport-4.2.4/lib/active_support/lazy_load_hooks.rb:45:in `block in run_load_hooks'
/home/.rvm/gems/ruby-2.3.4/gems/activesupport-4.2.4/lib/active_support/lazy_load_hooks.rb:44:in `each'
/home/.rvm/gems/ruby-2.3.4/gems/activesupport-4.2.4/lib/active_support/lazy_load_hooks.rb:44:in `run_load_hooks'
/home/.rvm/gems/ruby-2.3.4/gems/railties-4.2.4/lib/rails/application/finisher.rb:62:in `block in <module:Finisher>'
/home/.rvm/gems/ruby-2.3.4/gems/railties-4.2.4/lib/rails/initializable.rb:30:in `instance_exec'
/home/.rvm/gems/ruby-2.3.4/gems/railties-4.2.4/lib/rails/initializable.rb:30:in `run'
/home/.rvm/gems/ruby-2.3.4/gems/railties-4.2.4/lib/rails/initializable.rb:55:in `block in run_initializers'
/home/.rvm/gems/ruby-2.3.4/gems/railties-4.2.4/lib/rails/initializable.rb:54:in `run_initializers'
/home/.rvm/gems/ruby-2.3.4/gems/railties-4.2.4/lib/rails/application.rb:352:in `initialize!'
/home/.rvm/gems/ruby-2.3.4/gems/railties-4.2.4/lib/rails/railtie.rb:194:in `public_send'
/home/.rvm/gems/ruby-2.3.4/gems/railties-4.2.4/lib/rails/railtie.rb:194:in `method_missing'
/home/projects/config/environment.rb:17:in `<top (required)>'
/home/.rvm/gems/ruby-2.3.4/gems/activesupport-4.2.4/lib/active_support/dependencies.rb:274:in `require'
/home/.rvm/gems/ruby-2.3.4/gems/activesupport-4.2.4/lib/active_support/dependencies.rb:274:in `block in require'
/home/.rvm/gems/ruby-2.3.4/gems/activesupport-4.2.4/lib/active_support/dependencies.rb:240:in `load_dependency'
/home/.rvm/gems/ruby-2.3.4/gems/activesupport-4.2.4/lib/active_support/dependencies.rb:274:in `require'
/home/.rvm/gems/ruby-2.3.4/gems/railties-4.2.4/lib/rails/application.rb:328:in `require_environment!'
/home/.rvm/gems/ruby-2.3.4/gems/railties-4.2.4/lib/rails/application.rb:457:in `block in run_tasks_blocks'
/home/.rvm/gems/ruby-2.3.4/gems/rake-12.3.1/exe/rake:27:in `<top (required)>'
请帮助我，我使用rails 4.2.4创建了新的演示应用程序，它运行正常，但不是我现有的应用程序。
答案 0 :(得分：5)
将此文件放入文件夹/ Users / YourAPP / config https://github.com/rails/webpacker/blob/master/lib/install/config/webpacker.yml
答案 1 :(得分：2)
这是3个步骤：
default: &default
source_path: app/javascript
source_entry_path: packs
public_root_path: public
public_output_path: packs
cache_path: tmp/cache/webpacker
check_yarn_integrity: false
webpack_compile_output: false
resolved_paths: []
cache_manifest: false
extract_css: false
static_assets_extensions:
- .jpg
- .jpeg
- .png
- .gif
- .tiff
- .ico
- .svg
- .eot
- .otf
- .ttf
- .woff
- .woff2
extensions:
- .mjs
- .js
- .sass
- .scss
- .css
- .module.sass
- .module.scss
- .module.css
- .png
- .svg
- .gif
- .jpeg
- .jpg
development:
<<: *default
compile: true
check_yarn_integrity: true
dev_server:
https: false
host: localhost
port: 3035
public: localhost:3035
hmr: false
inline: true
overlay: true
compress: true
disable_host_check: true
use_local_ip: false
quiet: false
pretty: false
headers:
'Access-Control-Allow-Origin': '*'
watch_options:
ignored: '**/node_modules/**'
test:
<<: *default
compile: true
# Compile test packs to a separate directory
public_output_path: packs-test
production:
<<: *default
# Production depends on precompilation of packs prior to booting for performance.
compile: false
# Extract and emit a css file
extract_css: true
# Cache manifest.json for perfo`enter code here`rmance
cache_manifest: true
答案 2 :(得分：1)
如果您没有这些文件，则可能是您尚未安装Yarn https://yarnpkg.com/lang/fr/docs/install/#mac-stable