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私はRuby on Railsの初心者です。新しいアプリケーションを作成して開始するとhttp://localhost:3000/、次のエラーが発生します。

wrong number of arguments(1 for 0)

Full trace is as follows:

actionpack (4.0.0) lib/abstract_controller/base.rb:89:in `initialize'
actionpack (4.0.0) lib/abstract_controller/base.rb:89:in `new'
actionpack (4.0.0) lib/abstract_controller/base.rb:89:in `action_methods'
actionpack (4.0.0) lib/action_controller/metal/hide_actions.rb:36:in `action_methods'
actionpack (4.0.0) lib/abstract_controller/url_for.rb:25:in `action_methods'
actionpack (4.0.0) lib/abstract_controller/base.rb:179:in `action_method?'
actionpack (4.0.0) lib/abstract_controller/base.rb:230:in `method_for_action'
actionpack (4.0.0) lib/action_controller/metal/hide_actions.rb:17:in `method_for_action'
actionpack (4.0.0) lib/action_controller/metal/implicit_render.rb:14:in `method_for_action'
actionpack (4.0.0) lib/abstract_controller/base.rb:130:in `process'
actionpack (4.0.0) lib/abstract_controller/rendering.rb:44:in `process'
actionpack (4.0.0) lib/action_controller/metal.rb:195:in `dispatch'
actionpack (4.0.0) lib/action_controller/metal/rack_delegation.rb:13:in `dispatch'
actionpack (4.0.0) lib/action_controller/metal.rb:231:in `block in action'
actionpack (4.0.0) lib/action_dispatch/routing/route_set.rb:80:in `call'
actionpack (4.0.0) lib/action_dispatch/routing/route_set.rb:80:in `dispatch'
actionpack (4.0.0) lib/action_dispatch/routing/route_set.rb:48:in `call'
actionpack (4.0.0) lib/action_dispatch/journey/router.rb:71:in `block in call'
actionpack (4.0.0) lib/action_dispatch/journey/router.rb:59:in `each'
actionpack (4.0.0) lib/action_dispatch/journey/router.rb:59:in `call'
actionpack (4.0.0) lib/action_dispatch/routing/route_set.rb:655:in `call'
rack (1.5.2) lib/rack/etag.rb:23:in `call'
rack (1.5.2) lib/rack/conditionalget.rb:25:in `call'
rack (1.5.2) lib/rack/head.rb:11:in `call'
actionpack (4.0.0) lib/action_dispatch/middleware/params_parser.rb:27:in `call'
actionpack (4.0.0) lib/action_dispatch/middleware/flash.rb:241:in `call'
rack (1.5.2) lib/rack/session/abstract/id.rb:225:in `context'
rack (1.5.2) lib/rack/session/abstract/id.rb:220:in `call'
actionpack (4.0.0) lib/action_dispatch/middleware/cookies.rb:486:in `call'
activerecord (4.0.0) lib/active_record/query_cache.rb:36:in `call'
activerecord (4.0.0) lib/active_record/connection_adapters/abstract/connection_pool.rb:626:in `call'
activerecord (4.0.0) lib/active_record/migration.rb:369:in `call'
actionpack (4.0.0) lib/action_dispatch/middleware/callbacks.rb:29:in `block in call'
activesupport (4.0.0) lib/active_support/callbacks.rb:373:in `_run__170541183__call__callbacks'
activesupport (4.0.0) lib/active_support/callbacks.rb:80:in `run_callbacks'
actionpack (4.0.0) lib/action_dispatch/middleware/callbacks.rb:27:in `call'
actionpack (4.0.0) lib/action_dispatch/middleware/reloader.rb:64:in `call'
actionpack (4.0.0) lib/action_dispatch/middleware/remote_ip.rb:76:in `call'
actionpack (4.0.0) lib/action_dispatch/middleware/debug_exceptions.rb:17:in `call'
actionpack (4.0.0) lib/action_dispatch/middleware/show_exceptions.rb:30:in `call'
railties (4.0.0) lib/rails/rack/logger.rb:38:in `call_app'
railties (4.0.0) lib/rails/rack/logger.rb:21:in `block in call'
activesupport (4.0.0) lib/active_support/tagged_logging.rb:67:in `block in tagged'
activesupport (4.0.0) lib/active_support/tagged_logging.rb:25:in `tagged'
activesupport (4.0.0) lib/active_support/tagged_logging.rb:67:in `tagged'
railties (4.0.0) lib/rails/rack/logger.rb:21:in `call'
actionpack (4.0.0) lib/action_dispatch/middleware/request_id.rb:21:in `call'
rack (1.5.2) lib/rack/methodoverride.rb:21:in `call'
rack (1.5.2) lib/rack/runtime.rb:17:in `call'
activesupport (4.0.0) lib/active_support/cache/strategy/local_cache.rb:83:in `call'
rack (1.5.2) lib/rack/lock.rb:17:in `call'
actionpack (4.0.0) lib/action_dispatch/middleware/static.rb:64:in `call'
railties (4.0.0) lib/rails/engine.rb:511:in `call'
railties (4.0.0) lib/rails/application.rb:97:in `call'
rack (1.5.2) lib/rack/lock.rb:17:in `call'
rack (1.5.2) lib/rack/content_length.rb:14:in `call'
rack (1.5.2) lib/rack/handler/webrick.rb:60:in `service'
C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/webrick/httpserver.rb:138:in `service'
C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/webrick/httpserver.rb:94:in `run'
C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/webrick/server.rb:191:in `block in start_thread'

誰でも解決策を手伝ってもらえますか?

編集：

私のwelcome_controller.rbには以下が含まれています：

class WelcomeController < ApplicationController
  def index
  end
end

私のroutes.rbには以下が含まれています：

Railsgirls::Application.routes.draw do
  get "welcome/index"
end
4

3 に答える 3

1

代わりにルート内でこれを試してくださいget：

root to: 'welcome#index'
于 2013-10-27T21:38:24.313 に答える
1

で使用ruby 1.9.1しているようですrails 4.0.0が、 http://rubyonrails.org/downloadrails 4でしか機能しませんruby 1.9.3+

于 2013-10-27T21:38:51.467 に答える
0

あなたのルートで使用

get "welcome#index"

それ以外の場合は、名前空間を宣言しています。

使用する

rake routes

ルートがどのように宣言されているかを確認するには

于 2013-10-27T21:38:48.503 に答える