環境
- Windows 11 (WSL2)
- シェル：Bash
やりたいこと
大学の教育プログラムでRuby on Railsをいじることになった。
エラーが出たので解決法のメモ
rails new <app name>
エラー内容
エラー内容
$ rails new pdiary --skip-git
Based on the specified options, the following options will also be activated:
--skip-decrypted-diffs [due to --skip-git]
create
create README.md
create Rakefile
create .ruby-version
create config.ru
create Gemfile
create app
create app/assets/config/manifest.js
create app/assets/stylesheets/application.css
create app/channels/application_cable/channel.rb
create app/channels/application_cable/connection.rb
create app/controllers/application_controller.rb
create app/helpers/application_helper.rb
create app/jobs/application_job.rb
create app/mailers/application_mailer.rb
create app/models/application_record.rb
create app/views/layouts/application.html.erb
create app/views/layouts/mailer.html.erb
create app/views/layouts/mailer.text.erb
create app/assets/images
create app/assets/images/.keep
create app/controllers/concerns/.keep
create app/models/concerns/.keep
create bin
create bin/rails
create bin/rake
create bin/setup
create Dockerfile
create .dockerignore
create bin/docker-entrypoint
create config
create config/routes.rb
create config/application.rb
create config/environment.rb
create config/cable.yml
create config/puma.rb
create config/storage.yml
create config/environments
create config/environments/development.rb
create config/environments/production.rb
create config/environments/test.rb
create config/initializers
create config/initializers/assets.rb
create config/initializers/content_security_policy.rb
create config/initializers/cors.rb
create config/initializers/filter_parameter_logging.rb
create config/initializers/inflections.rb
create config/initializers/new_framework_defaults_7_1.rb
create config/initializers/permissions_policy.rb
create config/locales
create config/locales/en.yml
create config/master.key
create config/boot.rb
create config/database.yml
create db
create db/seeds.rb
create lib
create lib/tasks
create lib/tasks/.keep
create lib/assets
create lib/assets/.keep
create log
create log/.keep
create public
create public/404.html
create public/422.html
create public/500.html
create public/apple-touch-icon-precomposed.png
create public/apple-touch-icon.png
create public/favicon.ico
create public/robots.txt
create tmp
create tmp/.keep
create tmp/pids
create tmp/pids/.keep
create tmp/cache
create tmp/cache/assets
create vendor
create vendor/.keep
create test/fixtures/files
create test/fixtures/files/.keep
create test/controllers
create test/controllers/.keep
create test/mailers
create test/mailers/.keep
create test/models
create test/models/.keep
create test/helpers
create test/helpers/.keep
create test/integration
create test/integration/.keep
create test/channels/application_cable/connection_test.rb
create test/test_helper.rb
create test/system
create test/system/.keep
create test/application_system_test_case.rb
create storage
create storage/.keep
create tmp/storage
create tmp/storage/.keep
remove config/initializers/cors.rb
remove config/initializers/new_framework_defaults_7_1.rb
run bundle install
Fetching gem metadata from https://rubygems.org/...........
Resolving dependencies...
Fetching public_suffix 6.0.1
Fetching rexml 3.3.2
Fetching turbo-rails 2.0.6
Retrying download gem from https://rubygems.org/ due to error (2/4): Bundler::PermissionError There was an error while trying to write to `/var/lib/gems/3.0.0/cache/public_suffix-6.0.1.gem`. It is likely that you need to grant write permissions for that path.
Retrying download gem from https://rubygems.org/ due to error (2/4): Bundler::PermissionError There was an error while trying to write to `/var/lib/gems/3.0.0/cache/rexml-3.3.2.gem`. It is likely that you need to grant write permissions for that path.
Retrying download gem from https://rubygems.org/ due to error (2/4): Bundler::PermissionError There was an error while trying to write to `/var/lib/gems/3.0.0/cache/turbo-rails-2.0.6.gem`. It is likely that you need to grant write permissions for that path.
Retrying download gem from https://rubygems.org/ due to error (3/4): Bundler::PermissionError There was an error while trying to write to `/var/lib/gems/3.0.0/cache/public_suffix-6.0.1.gem`. It is likely that you need to grant write permissions for that path.
Retrying download gem from https://rubygems.org/ due to error (3/4): Bundler::PermissionError There was an error while trying to write to `/var/lib/gems/3.0.0/cache/rexml-3.3.2.gem`. It is likely that you need to grant write permissions for that path.
Retrying download gem from https://rubygems.org/ due to error (3/4): Bundler::PermissionError There was an error while trying to write to `/var/lib/gems/3.0.0/cache/turbo-rails-2.0.6.gem`. It is likely that you need to grant write permissions for that path.
Retrying download gem from https://rubygems.org/ due to error (4/4): Bundler::PermissionError There was an error while trying to write to `/var/lib/gems/3.0.0/cache/public_suffix-6.0.1.gem`. It is likely that you need to grant write permissions for that path.
Retrying download gem from https://rubygems.org/ due to error (4/4): Bundler::PermissionError There was an error while trying to write to `/var/lib/gems/3.0.0/cache/rexml-3.3.2.gem`. It is likely that you need to grant write permissions for that path.
Retrying download gem from https://rubygems.org/ due to error (4/4): Bundler::PermissionError There was an error while trying to write to `/var/lib/gems/3.0.0/cache/turbo-rails-2.0.6.gem`. It is likely that you need to grant write permissions for that path.
Bundler::PermissionError: There was an error while trying to write to
`/var/lib/gems/3.0.0/cache/public_suffix-6.0.1.gem`. It is likely that you need to grant write
permissions for that path.
/var/lib/gems/3.0.0/gems/bundler-2.5.16/lib/bundler/shared_helpers.rb:107:in `rescue in
filesystem_access'
/var/lib/gems/3.0.0/gems/bundler-2.5.16/lib/bundler/shared_helpers.rb:104:in `filesystem_access'
/var/lib/gems/3.0.0/gems/bundler-2.5.16/lib/bundler/rubygems_integration.rb:445:in `block in
download_gem'
/var/lib/gems/3.0.0/gems/bundler-2.5.16/lib/bundler/retry.rb:40:in `run'
/var/lib/gems/3.0.0/gems/bundler-2.5.16/lib/bundler/retry.rb:30:in `attempt'
/var/lib/gems/3.0.0/gems/bundler-2.5.16/lib/bundler/rubygems_integration.rb:437:in `download_gem'
/var/lib/gems/3.0.0/gems/bundler-2.5.16/lib/bundler/source/rubygems.rb:489:in `download_gem'
/var/lib/gems/3.0.0/gems/bundler-2.5.16/lib/bundler/source/rubygems.rb:446:in `fetch_gem'
/var/lib/gems/3.0.0/gems/bundler-2.5.16/lib/bundler/source/rubygems.rb:430:in
`fetch_gem_if_possible'
/var/lib/gems/3.0.0/gems/bundler-2.5.16/lib/bundler/source/rubygems.rb:162:in `install'
/var/lib/gems/3.0.0/gems/bundler-2.5.16/lib/bundler/installer/gem_installer.rb:54:in `install'
/var/lib/gems/3.0.0/gems/bundler-2.5.16/lib/bundler/installer/gem_installer.rb:16:in
`install_from_spec'
/var/lib/gems/3.0.0/gems/bundler-2.5.16/lib/bundler/installer/parallel_installer.rb:132:in
`do_install'
/var/lib/gems/3.0.0/gems/bundler-2.5.16/lib/bundler/installer/parallel_installer.rb:123:in `block
in worker_pool'
/var/lib/gems/3.0.0/gems/bundler-2.5.16/lib/bundler/worker.rb:62:in `apply_func'
/var/lib/gems/3.0.0/gems/bundler-2.5.16/lib/bundler/worker.rb:57:in `block in process_queue'
/var/lib/gems/3.0.0/gems/bundler-2.5.16/lib/bundler/worker.rb:54:in `loop'
/var/lib/gems/3.0.0/gems/bundler-2.5.16/lib/bundler/worker.rb:54:in `process_queue'
/var/lib/gems/3.0.0/gems/bundler-2.5.16/lib/bundler/worker.rb:90:in `block (2 levels) in
create_threads'
An error occurred while installing public_suffix (6.0.1), and Bundler cannot continue.
In Gemfile:
capybara was resolved to 3.40.0, which depends on
addressable was resolved to 2.8.7, which depends on
public_suffix
run bundle lock --add-platform=x86_64-linux
Fetching gem metadata from https://rubygems.org/...........
Resolving dependencies...
Writing lockfile to /home/kuro/lab/rails-lesson/src/day2/myWebApp/pdiary/Gemfile.lock
run bundle binstubs bundler
Could not find turbo-rails-2.0.6, selenium-webdriver-4.23.0, rexml-3.3.2, public_suffix-6.0.1 in
locally installed gems
原因
エラーメッセージ抜粋
Retrying download gem from https://rubygems.org/ due to error (2/4): Bundler::PermissionError There was an error while trying to write to `/var/lib/gems/3.0.0/cache/public_suffix-6.0.1.gem`. It is likely that you need to grant write permissions for that path.
意味
- /var/lib/gems/3.0.0に書き込み権限がないよ～
解決策
当該フォルダの書き込み権限付与
sudo chown -R $USER /var/lib/gems/3.0.0/
P.S.
bundleがなかったら以下のコマンドでインストールすること。
sudo gem install bundler