我无法执行rake routes即使routes.rb文件为空。这是输出：
➜ rake routes
rake aborted!
Don't know how to build task 'routes' (See the list of available tasks with `rake --tasks`)
(See full trace by running task with --trace)
输出来自rake about:
➜ rake about
About your application's environment
Rails version 6.1.0
Ruby version ruby 2.7.2p137 (2020-10-01 revision 5445e04352) [x86_64-darwin19]
RubyGems version 3.1.4
Rack version 2.2.3
Middleware Webpacker::DevServerProxy, Rack::MiniProfiler, ActionDispatch::HostAuthorization, Rack::Sendfile, ActionDispatch::Static, ActionDispatch::Executor, ActiveSupport::Cache::Strategy::LocalCache::Middleware, Rack::Runtime, Rack::MethodOverride, ActionDispatch::RequestId, ActionDispatch::RemoteIp, Sprockets::Rails::QuietAssets, Rails::Rack::Logger, ActionDispatch::ShowExceptions, WebConsole::Middleware, ActionDispatch::DebugExceptions, ActionDispatch::ActionableExceptions, ActionDispatch::Reloader, ActionDispatch::Callbacks, ActiveRecord::Migration::CheckPending, ActionDispatch::Cookies, ActionDispatch::Session::CookieStore, ActionDispatch::Flash, ActionDispatch::ContentSecurityPolicy::Middleware, ActionDispatch::PermissionsPolicy::Middleware, Rack::Head, Rack::ConditionalGet, Rack::ETag, Rack::TempfileReaper, Warden::Manager
Application root /Users/cobexa/app
Environment development
Database adapter postgresql
Database schema version 20201219225707
并输出来自rake --tasks:
rake about # List versions of all Rails frameworks and the environment
rake action_mailbox:ingress:exim # Relay an inbound email from Exim to Action Mailbox (URL and INGRESS_PASSWORD required)
rake action_mailbox:ingress:postfix # Relay an inbound email from Postfix to Action Mailbox (URL and INGRESS_PASSWORD required)
rake action_mailbox:ingress:qmail # Relay an inbound email from Qmail to Action Mailbox (URL and INGRESS_PASSWORD required)
rake action_mailbox:install # Installs Action Mailbox and its dependencies
rake action_mailbox:install:migrations # Copy migrations from action_mailbox to application
rake action_text:install # Copy over the migration, stylesheet, and JavaScript files
rake action_text:install:migrations # Copy migrations from action_text to application
rake active_storage:install # Copy over the migration needed to the application
rake app:template # Applies the template supplied by LOCATION=(/path/to/template) or URL
rake app:update # Update configs and some other initially generated files (or use just update:configs or update:bin)
rake assets:clean[keep] # Remove old compiled assets
rake assets:clobber # Remove compiled assets
rake assets:environment # Load asset compile environment
rake assets:precompile # Compile all the assets named in config.assets.precompile
rake cache_digests:dependencies # Lookup first-level dependencies for TEMPLATE (like messages/show or comments/_comment.html)
rake cache_digests:nested_dependencies # Lookup nested dependencies for TEMPLATE (like messages/show or comments/_comment.html)
rake db:create # Creates the database from DATABASE_URL or config/database.yml for the current RAILS_ENV (use db:create:all to create all databases in the config). Without RAILS_ENV or when RAILS_ENV is development, it defaults to creating the development and test databases, except when DATABASE_URL is present
rake db:drop # Drops the database from DATABASE_URL or config/database.yml for the current RAILS_ENV (use db:drop:all to drop all databases in the config). Without RAILS_ENV or when RAILS_ENV is development, it defaults to dropping the development and test databases, except when DATABASE_URL is present
rake db:environment:set # Set the environment value for the database
rake db:fixtures:load # Loads fixtures into the current environment's database
rake db:migrate # Migrate the database (options: VERSION=x, VERBOSE=false, SCOPE=blog)
rake db:migrate:down # Runs the "down" for a given migration VERSION
rake db:migrate:redo # Rolls back the database one migration and re-migrates up (options: STEP=x, VERSION=x)
rake db:migrate:status # Display status of migrations
rake db:migrate:up # Runs the "up" for a given migration VERSION
rake db:prepare # Runs setup if database does not exist, or runs migrations if it does
rake db:reset # Drops and recreates the database from db/schema.rb for the current environment and loads the seeds
rake db:rollback # Rolls the schema back to the previous version (specify steps w/ STEP=n)
rake db:schema:cache:clear # Clears a db/schema_cache.yml file
rake db:schema:cache:dump # Creates a db/schema_cache.yml file
rake db:schema:dump # Creates a database schema file (either db/schema.rb or db/structure.sql, depending on `config.active_record.schema_format`)
rake db:schema:load # Loads a database schema file (either db/schema.rb or db/structure.sql, depending on `config.active_record.schema_format`) into the database
rake db:seed # Loads the seed data from db/seeds.rb
rake db:seed:replant # Truncates tables of each database for current environment and loads the seeds
rake db:setup # Creates the database, loads the schema, and initializes with the seed data (use db:reset to also drop the database first)
rake db:structure:dump # Dumps the database structure to db/structure.sql
rake db:structure:load # Recreates the databases from the structure.sql file
rake db:version # Retrieves the current schema version number
rake log:clear # Truncates all/specified *.log files in log/ to zero bytes (specify which logs with LOGS=test,development)
rake middleware # Prints out your Rack middleware stack
rake restart # Restart app by touching tmp/restart.txt
rake secret # Generate a cryptographically secure secret key (this is typically used to generate a secret for cookie sessions)
rake stats # Report code statistics (KLOCs, etc) from the application or engine
rake test # Runs all tests in test folder except system ones
rake test:all # Runs all tests, including system tests
rake test:db # Run tests quickly, but also reset db
rake test:system # Run system tests only
rake time:zones[country_or_offset] # List all time zones, list by two-letter country code (`bin/rails time:zones[US]`), or list by UTC offset (`bin/rails time:zones[-8]`)
rake tmp:clear # Clear cache, socket and screenshot files from tmp/ (narrow w/ tmp:cache:clear, tmp:sockets:clear, tmp:screenshots:clear)
rake tmp:create # Creates tmp directories for cache, sockets, and pids
rake webpacker # Lists all available tasks in Webpacker
rake webpacker:binstubs # Installs Webpacker binstubs in this application
rake webpacker:check_binstubs # Verifies that webpack & webpack-dev-server are present
rake webpacker:check_node # Verifies if Node.js is installed
rake webpacker:check_yarn # Verifies if Yarn is installed
rake webpacker:clean[keep,age] # Remove old compiled webpacks
rake webpacker:clobber # Remove the webpack compiled output directory
rake webpacker:compile # Compile JavaScript packs using webpack for production with digests
rake webpacker:info # Provide information on Webpacker's environment
rake webpacker:install # Install Webpacker in this application
rake webpacker:install:angular # Install everything needed for Angular
rake webpacker:install:coffee # Install everything needed for Coffee
rake webpacker:install:elm # Install everything needed for Elm
rake webpacker:install:erb # Install everything needed for Erb
rake webpacker:install:react # Install everything needed for React
rake webpacker:install:stimulus # Install everything needed for Stimulus
rake webpacker:install:svelte # Install everything needed for Svelte
rake webpacker:install:typescript # Install everything needed for Typescript
rake webpacker:install:vue # Install everything needed for Vue
rake webpacker:verify_install # Verifies if Webpacker is installed
rake webpacker:yarn_install # Support for older Rails versions
rake yarn:install # Install all JavaScript dependencies as specified via Yarn
rake zeitwerk:check # Checks project structure for Zeitwerk compatibility
