为什么我的 rails 服务器将所有内容记录两次? [英] why is my rails server logging everything twice?

问题描述

我的 rails 服务器似乎将所有内容都记录了两次，不确定这里发生了什么，我应该怎么做来调查这个?

my rails server seems like it is logging everything twice, not sure what is going on here, what should I do to investigate this ?

我的宝石文件

source 'https://rubygems.org'
ruby '2.1.0'

gem 'rails', '4.0.1'
gem 'haml-rails'
gem 'pg', '~> 0.17.1'
gem 'redis'
gem 'redis-namespace'
gem 'thin', '~> 1.6.1'
gem 'rabl'
gem 'underscore-rails'

#assets
gem 'sass-rails', '~> 4.0.0'
gem 'uglifier', '>= 1.3.0'
gem 'foundation-rails'
gem 'font-awesome-rails'

#javascript
gem 'coffee-rails', '~> 4.0.0'
gem 'jquery-rails'
gem 'jbuilder', '~> 1.2'
gem 'angularjs-rails', '~> 1.2.7'
gem 'ngmin-rails', '~> 0.4.0'

#user auth
gem 'devise', '3.0.0'
gem 'omniauth'
gem 'omniauth-twitter'
gem 'uuidtools'


#misc tools
gem 'twitter'

#heroku
gem 'rails_12factor'

group :development, :test do
  gem 'capybara-webkit', github: 'thoughtbot/capybara-webkit', branch: 'master'
  gem 'rspec-rails', '~> 2.14.1'
  gem 'factory_girl_rails', '4.2.1'
  gem 'mocha', '~> 1.0.0'
  gem 'pry'
  gem 'pry-debugger'
  gem 'quiet_assets'
  gem 'parallel_tests'
  gem 'zeus-parallel_tests'
  gem 'guard-rspec'
  gem 'rb-fsevent'
end

group :development do 
  gem 'guard-livereload'
  gem 'rack-livereload'
  gem 'better_errors'
  gem 'terminal-notifier-guard'
end

group :test do
  gem 'launchy', '>= 2.1.2'
  gem 'capybara', '>= 1.1.3'
  gem 'database_cleaner', '~> 1.2.0'
  gem 'zeus', :require => false
  gem 'shoulda-matchers'
  gem 'pdf-inspector'
  gem 'selenium-webdriver'
  gem "mock_redis", "~> 0.11.0"
end

推荐答案

就我而言，这是由 rails_12factor gem 引起的.此 gem 添加了将日志发送到标准输出的 rails_stdout_logging gem.这在生产环境中很有用，但在 Rails 默认已经这样做的情况下在开发中没有用.

In my case this was caused by the rails_12factor gem. This gem adds the rails_stdout_logging gem which sends the logs to standard output. This can be useful in a production environment but not in development when Rails already does it by default.

https://github.com/heroku/rails_12factor#rails-4-logging

解决方案是只在生产中添加这个 gem:

The solution is to only add this gem in production:

gem 'rails_12factor', group: :production

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