兼容性問題？ rake db：migrate-錯誤的參數數量（1表示0）

Question

我正在嘗試運行簡單的遷移，但出現此錯誤。 我認為這是某種兼容性錯誤。 我該如何解決它，以及將來如何避免兼容性問題？

---

Migration: `class CreateUsers < ActiveRecord::Migration
  def change
    create_table :users do |t|
      t.string :nume
      t.string :email
      t.string :localitate

      t.timestamps 
    end
  end
end
___________________

---

的Gemfile

source 'https://rubygems.org'


# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
gem 'rails', '4.2.0.beta4'
# Use sqlite3 as the database for Active Record
gem 'sqlite3'
# Use SCSS for stylesheets
gem 'sass-rails', '~> 5.0.0.beta1'
# Use Uglifier as compressor for JavaScript assets
gem 'uglifier', '>= 1.3.0'
# Use CoffeeScript for .coffee assets and views
gem 'coffee-rails', '~> 4.1.0'
# See https://github.com/sstephenson/execjs#readme for more supported runtimes
# gem 'therubyracer', platforms: :ruby

# Use jQuery as the JavaScript library
gem 'jquery-rails', '~> 4.0.0.beta2'
# Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks
gem 'turbolinks'
# Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
gem 'jbuilder', '~> 2.0'
# bundle exec rake doc:rails generates the API under doc/api.
gem 'sdoc', '~> 0.4.0', group: :doc

# Use ActiveModel has_secure_password
# gem 'bcrypt', '~> 3.1.7'

# Use Unicorn as the app server
# gem 'unicorn'

# Use Capistrano for deployment
# gem 'capistrano-rails', group: :development

group :development, :test do
  # Call 'byebug' anywhere in the code to stop execution and get a debugger console
  gem 'byebug'

  # Access an IRB console on exception pages or by using <%= console %> in views
  gem 'web-console', '~> 2.0.0.beta4'
end

# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
gem 'tzinfo-data', platforms: [:mingw, :mswin, :jruby]

___________

---

錯誤：

錯誤的參數數量（1代表0）C：/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0 .0 / gems / activerecord-4.2.0.beta4 / lib / active_record / connection_adapters / abstract_adapter.rb：271 ：in initialize' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/connection_adapters/abstract_adapter.rb:271:in新C中：/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b / active_record / connection_adapters / abstract_adapter.rb：271：in substitute_at' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/relation.rb:97:in在替代值的C：/RailsInstaller/Ruby2.0.0/lib/中ruby / gems / 2.0.0 / gems / activerecord-4.2.0.beta4 / li b / active_record / relation.rb：96：在each' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/relation.rb:96:in each_with_index'C：/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2中。 0.beta4 / li b / active_record / relatio n.rb：96：in substitute_values' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/relation.rb:56:in插入'C：/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/lib/active_record/persistence.rb：521：在_create_record' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/counter_cache.rb:139:in _create_record'C：/RailsInstaller/Ruby2.0.0/lib/ruby中/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b / active_record / attribute_methods / dirty.rb：122：在_create_record' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/callbacks.rb:306:in在_create_record' _create_record' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/callbacks.rb:306:in塊中C：/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport -4.2.0.beta4 / l ib / active_support / callbacks.rb：88： call' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta4/l ib/active_support/callbacks.rb:88:in _run_callbacks的C：/RailsInstaller/Ruby2.0.0/中 lib / ruby​​ / gems / 2.0.0 / gems / activesupport-4.2.0.beta4 / l ib / active_support / callbacks.rb：734：在_run_create_callbacks' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/callbacks.rb:306:in _create_record'中C：/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord- 4.2.0.beta4 / li b / active_record / timestamp.rb：57：在_create_record' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/persistence.rb:501:in create_or_update'C：/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b / active_record / callbacks.rb ：302：在block in create_or_update' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta4/l ib/active_support/callbacks.rb:88:in中的代碼block in create_or_update' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta4/l ib/active_support/callbacks.rb:88:in調用'C：/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta4/l ib / active_support / callbacks.rb：88：in _run_callbacks' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta4/l ib/active_support/callbacks.rb:734:in _run_callbacks' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta4/l ib/active_support/callbacks.rb:734:in _run_save_callbacks的C：/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b / active_record / callbacks.rb中：302：在create_or_update' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/persistence.rb:142:in保存！'' C：/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b / active_record / validations.rb：42： save!' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/attribute_methods/dirty.rb:29:in save!' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/attribute_methods/dirty.rb:29:in保存！ C：/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b / active_record / transactions.rb：289： block in save!' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/transactions.rb:345:in block in save!' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/transactions.rb:345:in with_transaction_returning_stat block in save!' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/transactions.rb:345:in塊在我們的位置C：/ RailsInstaller /Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b / active_record / connection_adapters / abstract / database_statements.rb：211：在tran saction' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/transactions.rb:218:in transaction'C：/RailsInstaller/Ruby2.0.0/lib/ruby/ gems / 2.0.0 / gems / activerecord-4.2.0.beta4 / li b / active_record / transactions.rb：342： with_transaction_returning_status' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/transactions.rb:289:in保存！ C：/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b / active_record / persistence.rb：51：在create!' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/migration.rb:1015:in create!' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/migration.rb:1015:in record_version_state_after_migrating中C：/ RailsInstaller / Ruby2。 0.0 / lib / ruby​​ / gems / 2.0.0 / gems / activerecord-4.2.0.beta4 / li b / active_record / migration.rb：985： block in execute_migration_in_transaction' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/migration.rb:1030:in中的block in execute_migration_in_transaction' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/migration.rb:1030:in在ddl_transaction block in execute_migration_in_transaction' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/migration.rb:1030:in塊中C：/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0。 0 / gems / activerecord-4.2.0.beta4 / li b / active_record / connection_adapters / abstract / database_statements.rb：213： bloc k in transaction' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/connection_adapters/abstract/transaction.rb:188:in inside_new_t ransaction'C：/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/ gems / activerecord-4.2.0.beta4 / li b / active_record / connection_adapters / abstract / database_statements.rb：213：在tran saction' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/transactions.rb:218:in tran saction' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/transactions.rb:218:in transaction'C：/RailsInstaller/Ruby2.0.0/lib/ruby /gems/2.0.0/gems/activerecord-4.2.0.beta4/li b / active_record / migration.rb：1030：在ddl_transaction' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/migration.rb:983:in execute_migration_in_transaction'C：/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0 .beta4 / li b / active_record / migration.rb：945： block in migrate' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/migration.rb:941:in中的代碼block in migrate' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/migration.rb:941:in每個C：/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b / active_record / migration.rb中： 941：在migrate' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/migration.rb:813:in C： /RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b / active_reco rd / migration.rb：791：在migration'C： migrate' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/tasks/database_tasks.rb:137:in遷移中C：/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b / active_record / railties / databases.rake：44：in block (2 levels) in <top (require d)>' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.4.0/lib/rake/task.rb:240:in調用中C：/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.4.0/lib/rake/task.rb：240： block in execute' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.4.0/lib/rake/task.rb:235:in中的block in execute' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.4.0/lib/rake/task.rb:235:in每個C：/RailsInstaller/Ruby2.0.0/lib/ruby/gems/ 2.0.0 / gems / rake-10.4.0 / lib / rake / task.rb：235：在execute' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.4.0/lib/rake/task.rb:179:in invoke_with_call_chain'C：/RailsInstaller/Ruby2.0.0/lib/ruby/2.0.0/monitor.rb：211：in mon_synchronize' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.4.0/lib/rake/task.rb:172:in mon_synchronize' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.4.0/lib/rake/task.rb:172:in invoke_with_call_chain'C：/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.4.0/lib/rake/task.rb：165：in invoke' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.4.0/lib/rake/applic ation.rb:156:in invoke_task'C：/RailsInstaller/Ruby2.0.0 /lib/ruby/gems/2.0.0/gems/rake-10.4.0/lib/rake/application.rb:112： block (2 levels) in top_level' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.4.0/lib/rake/applic ation.rb:112:in中的block (2 levels) in top_level' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.4.0/lib/rake/applic ation.rb:112:in每個C：/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems /rake-10.4.0/lib/rake/application.rb:112： block in top_level' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.4.0/lib/rake/applic ation.rb:121:in run_with_threads的C：/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.4.0/lib/rake/application.rb中： 106：在top_level' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.4.0/lib/rake/applic ation.rb:84:in在運行塊中C： /RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.4.0/lib/ rake / application.rb：182：在standard_exception_handling' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.4.0/lib/rake/applic ation.rb:79:in運行中'C：/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.4.0/bin/rake：33：在<top (required)>' C:/RailsInstaller/Ruby2.0.0/bin/rake:23:in加載中'C：/RailsInstaller/Ruby2.0.0/bin/rake：23：in`'任務：TOP => db：migrate

Answer 1

答案是： 腳手架后無法遷移數據庫。 2.2節Ruby on Rails教程Michael Hartl

您需要按照此處指定的方式安裝arel gem。