6

参考https://github.com/mongoid/mongoid/issues/2894#issuecomment-14903927 我已经完成了所有必要的更改......问题仍然存在......

spec_helper.rb 文件

ENV["RAILS_ENV"] ||= 'test'
require File.expand_path("../../config/environment", FILE)
require 'rspec/rails'
require 'rspec/autorun'
require 'rails/mongoid'

宝石文件

gem 'rails', '4.0.0'
gem 'rspec-rails', '~>2.14.0'
gem 'mongoid', git: 'https://github.com/mongoid/mongoid.git'
gem 'bson_ext'

mongoid.yml

development:
  sessions:
    default:
      database: mongo_demo_development
    hosts:
      - localhost:27017
    options:        
 options:

test:
  sessions:
    default:
      database: mongo_demo_test
      hosts:
        - localhost:27017
      options:
        consistency: :strong      
        max_retries: 1
        retry_interval: 0

以下是当我使用 $rails s 运行我的 rails 服务器时生成的错误日志...

/home/nikunj/.rvm/gems/ruby-1.9.3-p385/bundler/gems/mongoid-d52c33bce36a/lib/mongoid/sessions/factory.rb:27:in create': (Mongoid::Errors::NoSessionConfig)
Problem:
No configuration could be found for a session named 'default'.
Summary:
When attempting to create the new session, Mongoid could not find a session configuration for the name: 'default'. This is necessary in order to know the host, port, and options needed to connect.
Resolution:
Double check your mongoid.yml to make sure under the sessions key that a configuration exists for 'default'. If you have set the configuration programatically, ensure that 'default' exists in the configuration hash.
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/bundler/gems/mongoid-d52c33bce36a/lib/mongoid/sessions.rb:137:inwith_name'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/bundler/gems/mongoid-d52c33bce36a/lib/mongoid/sessions.rb:390:in __session__'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/bundler/gems/mongoid-d52c33bce36a/lib/mongoid/sessions.rb:227:inmongo_session'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/bundler/gems/mongoid-d52c33bce36a/lib/mongoid/sessions.rb:171:in collection'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/bundler/gems/mongoid-d52c33bce36a/lib/mongoid/contextual/mongo.rb:265:ininitialize'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/bundler/gems/mongoid-d52c33bce36a/lib/mongoid/contextual.rb:51:in new'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/bundler/gems/mongoid-d52c33bce36a/lib/mongoid/contextual.rb:51:increate_context'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/bundler/gems/mongoid-d52c33bce36a/lib/mongoid/contextual.rb:34:in context'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/bundler/gems/mongoid-d52c33bce36a/lib/mongoid/contextual.rb:18:inlast'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/bundler/gems/mongoid-d52c33bce36a/lib/mongoid/findable.rb:130:in last'
from /home/nikunj/Practice/mongo_demo/app/rules/myrule_book.rb:5:inclass:Myrule_Book'
from /home/nikunj/Practice/mongo_demo/app/rules/myrule_book.rb:3:in <top (required)>'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:423:inload'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:423:in block in load_file'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:615:innew_constants_in'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:422:in load_file'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:323:inrequire_or_load'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:462:in load_missing_constant'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:183:inconst_missing'
from /home/nikunj/Practice/mongo_demo/config/environments/development.rb:30:in block in <top (required)>'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/gems/railties-4.0.0/lib/rails/railtie/configurable.rb:24:inclass_eval'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/gems/railties-4.0.0/lib/rails/railtie/configurable.rb:24:in configure'
from /home/nikunj/Practice/mongo_demo/config/environments/development.rb:1:in'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in require'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:inblock in require'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:213:in load_dependency'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:inrequire'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/gems/railties-4.0.0/lib/rails/engine.rb:591:in block (2 levels) in <class:Engine>'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/gems/railties-4.0.0/lib/rails/engine.rb:590:ineach'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/gems/railties-4.0.0/lib/rails/engine.rb:590:in block in <class:Engine>'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/gems/railties-4.0.0/lib/rails/initializable.rb:30:ininstance_exec'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/gems/railties-4.0.0/lib/rails/initializable.rb:30:in run'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/gems/railties-4.0.0/lib/rails/initializable.rb:55:inblock in run_initializers'
from /home/nikunj/.rvm/rubies/ruby-1.9.3-p385/lib/ruby/1.9.1/tsort.rb:150:in block in tsort_each'
from /home/nikunj/.rvm/rubies/ruby-1.9.3-p385/lib/ruby/1.9.1/tsort.rb:183:inblock (2 levels) in each_strongly_connected_component'
from /home/nikunj/.rvm/rubies/ruby-1.9.3-p385/lib/ruby/1.9.1/tsort.rb:210:in block (2 levels) in each_strongly_connected_component_from'
from /home/nikunj/.rvm/rubies/ruby-1.9.3-p385/lib/ruby/1.9.1/tsort.rb:219:ineach_strongly_connected_component_from'
from /home/nikunj/.rvm/rubies/ruby-1.9.3-p385/lib/ruby/1.9.1/tsort.rb:209:in block in each_strongly_connected_component_from'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/gems/railties-4.0.0/lib/rails/initializable.rb:44:ineach'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/gems/railties-4.0.0/lib/rails/initializable.rb:44:in tsort_each_child'
from /home/nikunj/.rvm/rubies/ruby-1.9.3-p385/lib/ruby/1.9.1/tsort.rb:203:ineach_strongly_connected_component_from'
from /home/nikunj/.rvm/rubies/ruby-1.9.3-p385/lib/ruby/1.9.1/tsort.rb:182:in block in each_strongly_connected_component'
from /home/nikunj/.rvm/rubies/ruby-1.9.3-p385/lib/ruby/1.9.1/tsort.rb:180:ineach'
from /home/nikunj/.rvm/rubies/ruby-1.9.3-p385/lib/ruby/1.9.1/tsort.rb:180:in each_strongly_connected_component'
from /home/nikunj/.rvm/rubies/ruby-1.9.3-p385/lib/ruby/1.9.1/tsort.rb:148:intsort_each'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/gems/railties-4.0.0/lib/rails/initializable.rb:54:in run_initializers'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/gems/railties-4.0.0/lib/rails/application.rb:215:ininitialize!'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/gems/railties-4.0.0/lib/rails/railtie/configurable.rb:30:in method_missing'
from /home/nikunj/Practice/mongo_demo/config/environment.rb:5:in'
from /home/nikunj/Practice/mongo_demo/config.ru:3:in require'
from /home/nikunj/Practice/mongo_demo/config.ru:3:inblock in '
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385@global/gems/rack-1.5.2/lib/rack/builder.rb:55:in instance_eval'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385@global/gems/rack-1.5.2/lib/rack/builder.rb:55:ininitialize'
from /home/nikunj/Practice/mongo_demo/config.ru:in new'
from /home/nikunj/Practice/mongo_demo/config.ru:in'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385@global/gems/rack-1.5.2/lib/rack/builder.rb:49:in eval'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385@global/gems/rack-1.5.2/lib/rack/builder.rb:49:innew_from_string'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385@global/gems/rack-1.5.2/lib/rack/builder.rb:40:in parse_file'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385@global/gems/rack-1.5.2/lib/rack/server.rb:277:inbuild_app_and_options_from_config'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385@global/gems/rack-1.5.2/lib/rack/server.rb:199:in app'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/gems/railties-4.0.0/lib/rails/commands/server.rb:48:inapp'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385@global/gems/rack-1.5.2/lib/rack/server.rb:314:in wrapped_app'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/gems/railties-4.0.0/lib/rails/commands/server.rb:75:instart'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/gems/railties-4.0.0/lib/rails/commands.rb:78:in block in <top (required)>'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/gems/railties-4.0.0/lib/rails/commands.rb:73:intap'
from /home/nikunj/.rvm/gems/ruby-1.9.3-p385/gems/railties-4.0.0/lib/rails/commands.rb:73:in <top (required)>'
from bin/rails:4:inrequire'
from bin/rails:4:in `'
4

3 回答 3

1

您的 mongoid.yml 有一个错误“主机：”键应该在“默认：”内，因为它是会话的必需配置

请检查http://mongoid.org/en/mongoid/docs/installation.html#configuration

于 2014-10-31T23:11:08.037 回答
1

我遇到了同样的问题和错误消息-在我的情况下，这是因为未加载 yml 配置文件而引起的。我添加了以下行

 Mongoid.load!('config/mongoid.yml')

到 config/application.rb 并解决了问题

于 2015-05-15T17:43:12.613 回答
0

可能是gem文件的问题，你没有提到mongoid gem的版本。在 gem 文件中更改 gem "mongoid"并gem "mongoid" , '~> 4.0.2'运行 bundle install 重新启动服务器和控制台。

于 2015-07-31T11:52:47.213 回答