Mysql RubyonRails安装-Ubuntu 15_Mysql_Ruby On Rails_Ruby_Ruby On Rails 3_Ubuntu

Mysql RubyonRails安装-Ubuntu 15

mysql ruby-on-rails ruby ruby-on-rails-3 ubuntu

Mysql RubyonRails安装-Ubuntu 15,mysql,ruby-on-rails,ruby,ruby-on-rails-3,ubuntu,Mysql,Ruby On Rails,Ruby,Ruby On Rails 3,Ubuntu,我正在尝试在Ubuntu 1564位中安装RoR。我已经完成了大部分安装过程，比如安装rvm、ruby、mysql服务器、创建gemset rails new first_app rvm gemset list rvm gemset use rails3.2.13 rails new first_app cd first_app/ bundle install 上述命令已成功执行 Ruby version 2.2.1 Rails version 3.2.13 当我试图启动我的服务器时，我得

我正在尝试在Ubuntu 1564位中安装RoR。我已经完成了大部分安装过程，比如安装rvm、ruby、mysql服务器、创建gemset

rails new first_app
rvm gemset list
rvm gemset use rails3.2.13
rails new first_app
cd first_app/
bundle install

上述命令已成功执行

Ruby version 2.2.1
Rails version 3.2.13

当我试图启动我的服务器时，我得到如下错误

rails s
/home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activesupport-3.2.13/lib/active_support/values/time_zone.rb:270: warning: circular argument reference - now
/home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/bundler-1.11.2/lib/bundler/runtime.rb:80:in `rescue in block (2 levels) in require': There was an error while trying to load the gem 'coffee-rails'. (Bundler::GemRequireError)
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/bundler-1.11.2/lib/bundler/runtime.rb:76:in `block (2 levels) in require'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/bundler-1.11.2/lib/bundler/runtime.rb:72:in `each'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/bundler-1.11.2/lib/bundler/runtime.rb:72:in `block in require'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/bundler-1.11.2/lib/bundler/runtime.rb:61:in `each'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/bundler-1.11.2/lib/bundler/runtime.rb:61:in `require'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/bundler-1.11.2/lib/bundler.rb:99:in `require'
    from /home/ela/Documents/first_app/config/application.rb:7:in `<top (required)>'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/railties-3.2.13/lib/rails/commands.rb:53:in `require'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/railties-3.2.13/lib/rails/commands.rb:53:in `block in <top (required)>'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/railties-3.2.13/lib/rails/commands.rb:50:in `tap'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/railties-3.2.13/lib/rails/commands.rb:50:in `<top (required)>'
    from script/rails:6:in `require'
    from script/rails:6:in `<main>'

同样的错误为'uglifier'宝石也所以我删除了这2个宝石。然后我在mysql适配器中遇到错误

rails s
/home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activesupport-3.2.13/lib/active_support/values/time_zone.rb:270: warning: circular argument reference - now
=> Booting WEBrick
=> Rails 3.2.13 application starting in development on http://0.0.0.0:3000
=> Call with -d to detach
=> Ctrl-C to shutdown server
Exiting
/home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/bundler-1.11.2/lib/bundler/rubygems_integration.rb:314:in `block in replace_gem': Please install the mysql2 adapter: `gem install activerecord-mysql2-adapter` (can't activate mysql2 (~> 0.3.10), already activated mysql2-0.4.2. Make sure all dependencies are added to Gemfile.) (LoadError)
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activerecord-3.2.13/lib/active_record/connection_adapters/mysql2_adapter.rb:3:in `<top (required)>'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in `require'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in `block in require'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:236:in `load_dependency'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activesupport-3.2.13/lib/active_support/dependencies.rb:251:in `require'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activerecord-3.2.13/lib/active_record/connection_adapters/abstract/connection_specification.rb:50:in `resolve_hash_connection'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activerecord-3.2.13/lib/active_record/connection_adapters/abstract/connection_specification.rb:41:in `resolve_string_connection'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activerecord-3.2.13/lib/active_record/connection_adapters/abstract/connection_specification.rb:25:in `spec'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activerecord-3.2.13/lib/active_record/connection_adapters/abstract/connection_specification.rb:130:in `establish_connection'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activerecord-3.2.13/lib/active_record/railtie.rb:82:in `block (2 levels) in <class:Railtie>'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activesupport-3.2.13/lib/active_support/lazy_load_hooks.rb:36:in `instance_eval'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activesupport-3.2.13/lib/active_support/lazy_load_hooks.rb:36:in `execute_hook'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activesupport-3.2.13/lib/active_support/lazy_load_hooks.rb:43:in `block in run_load_hooks'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activesupport-3.2.13/lib/active_support/lazy_load_hooks.rb:42:in `each'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activesupport-3.2.13/lib/active_support/lazy_load_hooks.rb:42:in `run_load_hooks'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activerecord-3.2.13/lib/active_record/base.rb:720:in `<top (required)>'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activerecord-3.2.13/lib/active_record/railtie.rb:88:in `block in <class:Railtie>'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/railties-3.2.13/lib/rails/initializable.rb:30:in `instance_exec'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/railties-3.2.13/lib/rails/initializable.rb:30:in `run'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/railties-3.2.13/lib/rails/initializable.rb:55:in `block in run_initializers'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/railties-3.2.13/lib/rails/initializable.rb:54:in `each'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/railties-3.2.13/lib/rails/initializable.rb:54:in `run_initializers'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/railties-3.2.13/lib/rails/application.rb:136:in `initialize!'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/railties-3.2.13/lib/rails/railtie/configurable.rb:30:in `method_missing'
    from /home/ela/Documents/first_app/config/environment.rb:5:in `<top (required)>'
    from /home/ela/Documents/first_app/config.ru:3:in `require'
    from /home/ela/Documents/first_app/config.ru:3:in `block in <main>'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/rack-1.4.7/lib/rack/builder.rb:51:in `instance_eval'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/rack-1.4.7/lib/rack/builder.rb:51:in `initialize'
    from /home/ela/Documents/first_app/config.ru:in `new'
    from /home/ela/Documents/first_app/config.ru:in `<main>'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/rack-1.4.7/lib/rack/builder.rb:40:in `eval'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/rack-1.4.7/lib/rack/builder.rb:40:in `parse_file'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/rack-1.4.7/lib/rack/server.rb:200:in `app'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/railties-3.2.13/lib/rails/commands/server.rb:46:in `app'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/rack-1.4.7/lib/rack/server.rb:304:in `wrapped_app'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/rack-1.4.7/lib/rack/server.rb:254:in `start'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/railties-3.2.13/lib/rails/commands/server.rb:70:in `start'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/railties-3.2.13/lib/rails/commands.rb:55:in `block in <top (required)>'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/railties-3.2.13/lib/rails/commands.rb:50:in `tap'
    from /home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/railties-3.2.13/lib/rails/commands.rb:50:in `<top (required)>'
    from script/rails:6:in `require'
    from script/rails:6:in `<main>'

因此，我将我的gem mysql2 gem版本更改为<0.3

rake db:migrate --trace
/home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activesupport-3.2.13/lib/active_support/values/time_zone.rb:270: warning: circular argument reference - now
============= WARNING FROM mysql2 =============
This version of mysql2 (0.2.24) isn't compatible with Rails 3.1 as the ActiveRecord adapter was pulled into Rails itself.
Please use the 0.3.x (or greater) releases if you plan on using it in Rails >= 3.1.x
============= END WARNING FROM mysql2 =============
** Invoke db:migrate (first_time)
** Invoke environment (first_time)
** Execute environment
** Invoke db:load_config (first_time)
** Execute db:load_config
** Execute db:migrate
rake aborted!
NoMethodError: undefined method `accept' for nil:NilClass
/home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activerecord-3.2.13/lib/active_record/connection_adapters/abstract/database_statements.rb:7:in `to_sql'
/home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activerecord-3.2.13/lib/active_record/connection_adapters/abstract/database_statements.rb:38:in `select_values'
/home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activerecord-3.2.13/lib/active_record/migration.rb:587:in `get_all_versions'
/home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activerecord-3.2.13/lib/active_record/migration.rb:745:in `migrated'
/home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activerecord-3.2.13/lib/active_record/migration.rb:668:in `current_version'
/home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activerecord-3.2.13/lib/active_record/migration.rb:685:in `block in migrate'
/home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activerecord-3.2.13/lib/active_record/migration.rb:685:in `each'
/home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activerecord-3.2.13/lib/active_record/migration.rb:685:in `detect'
/home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activerecord-3.2.13/lib/active_record/migration.rb:685:in `migrate'
/home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activerecord-3.2.13/lib/active_record/migration.rb:570:in `up'
/home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activerecord-3.2.13/lib/active_record/migration.rb:551:in `migrate'
/home/ela/.rvm/gems/ruby-2.2.1@rails3.2.13/gems/activerecord-3.2.13/lib/active_record/railties/databases.rake:193:in `block (2 levels) in <top (required)>'
/home/ela/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/task.rb:240:in `call'
/home/ela/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/task.rb:240:in `block in execute'
/home/ela/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/task.rb:235:in `each'
/home/ela/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/task.rb:235:in `execute'
/home/ela/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/task.rb:179:in `block in invoke_with_call_chain'
/home/ela/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/monitor.rb:211:in `mon_synchronize'
/home/ela/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/task.rb:172:in `invoke_with_call_chain'
/home/ela/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/task.rb:165:in `invoke'
/home/ela/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/application.rb:150:in `invoke_task'
/home/ela/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/application.rb:106:in `block (2 levels) in top_level'
/home/ela/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/application.rb:106:in `each'
/home/ela/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/application.rb:106:in `block in top_level'
/home/ela/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/application.rb:115:in `run_with_threads'
/home/ela/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/application.rb:100:in `top_level'
/home/ela/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/application.rb:78:in `block in run'
/home/ela/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/application.rb:176:in `standard_exception_handling'
/home/ela/.rvm/rubies/ruby-2.2.1/lib/ruby/2.2.0/rake/application.rb:75:in `run'
/home/ela/.rvm/rubies/ruby-2.2.1/bin/rake:33:in `<main>'
Tasks: TOP => db:migrate

有人请帮帮我。提前感谢。

安装nodejs

然后使用

bundle install

安装nodejs

然后使用

bundle install

谢谢你的帮助。现在开始工作了。我在安装nodejs后做了一个小改动，那就是gem mysql2，~>0.3.20谢谢你的帮助。现在开始工作了。在安装nodejs之后，我做了一个小改动，那就是gem mysql2，~>0.3.20

bundle install