I'm trying to run a simple migration and I get this error. I think it's some kind of compatibility error. How can I fix it and how can I avoid compatibility issues in the future?
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
___________________
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]
___________
Error :
wrong number of arguments (1 for 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
new' 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 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
block 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:96:in 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-4.2.0.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
insert' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/persistence.rb:521:in _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/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/attribute_methods/dirty.rb:122:in _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
block in _create_record' 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 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' 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_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' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/timestamp.rb:57:in _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:in 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
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' 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' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/callbacks.rb:302: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/persistence.rb:142:in
save!' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/validations.rb:42: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
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/transactions.rb:289: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
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 with_transaction_returning_stat us' 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: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/transactions.rb:342:in 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
save!' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/persistence.rb:51: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
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' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta4/li b/active_record/migration.rb:985:in 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
block in ddl_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/database_statements.rb:213:in 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
within_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: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
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:in 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:in 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
each' 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 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
up' 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:in 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
migrate' 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
call' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.4.0/lib/rake/task.rb:240:in 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
each' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.4.0/lib/rake/task.rb:235:in execute' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.4.0/lib/rake/task.rb:179:in
block 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/applic ation.rb:112:in 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
each' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.4.0/lib/rake/applic ation.rb:112:in 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' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.4.0/lib/rake/applic ation.rb:106:in 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
block in run' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.4.0/lib/ rake/applic ation.rb:182:in 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
run' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.4.0/bin/rake:33:in <top (required)>' C:/RailsInstaller/Ruby2.0.0/bin/rake:23:in
load' C:/RailsInstaller/Ruby2.0.0/bin/rake:23:in `' Tasks: TOP => db:migrate
The answer is here: Can't migrate database after scaffold. Section 2.2 Ruby on Rails Tutorial Michael Hartl
You need to install the arel gem as specified there.
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