使用捆绑器将Rails应用返回开发模式 [英] Return Rails app to development mode with bundler

问题描述

我已使用Capistrano和Passenger将我的应用程序部署到远程计算机上。该项目位于GitHub上，我想在本地计算机上进行一些错误修复。我已经同步了所有内容，并分支到了本地计算机上的新 dev分支。当我尝试开发时一直使用的简单的 rails服务器命令时，我收到与我的Gemfile中捆绑的gem有关的错误，例如`require'：没有要加载的文件-nokogiri / nokogiri（LoadError）。但是当我运行 bundle show nokogiri 时，它显示在 /vendor/cache/ruby/1.9.1/gems/nokogiri-1.5.0 。

I've deployed my app to a remote machine using Capistrano and Passenger. The project is on GitHub, and I want to work on some bug fixes on my local machine. I've synced up everything, and branched to a new 'dev' branch on my local machine. When I try the simple rails server command I had been using while developing, I get errors relating to the gems bundled in my Gemfile, e.g. `require': no such file to load -- nokogiri/nokogiri (LoadError). But when I run bundle show nokogiri, it's present at /vendor/cache/ruby/1.9.1/gems/nokogiri-1.5.0.

也许这完全是错误的工作流程，但是如何在本地计算机上进入开发模式，因此我可以在之前测试更改

Maybe this is just the wrong workflow entirely, but how do I get to a development mode on my local machine, so I can test changes before pushing them to the deployed app?

我的Gemfile：

source 'http://rubygems.org'

gem 'rails', '3.0.10'

# Bundle edge Rails instead:
# gem 'rails', :git => 'git://github.com/rails/rails.git'

gem 'sqlite3'
# Use unicorn as the web server
# gem 'unicorn'

# Deploy with Capistrano
gem 'capistrano'

# To use debugger (ruby-debug for Ruby 1.8.7+, ruby-debug19 for Ruby 1.9.2+)
# gem 'ruby-debug'
# gem 'ruby-debug19', :require => 'ruby-debug'

# Bundle the extra gems:

gem 'nokogiri'
# gem 'sqlite3-ruby', :require => 'sqlite3'
gem 'nested_scaffold'
gem 'rest-client'
gem 'pony'
gem 'mail'
gem 'logger'
gem 'json'
gem 'gmail'


# Bundle gems for the local environment. Make sure to
# put test-only gems in this group so their generators
# and rake tasks are available in development mode:
# group :development, :test do
#   gem 'webrat'
# end

推荐答案

I建议您删除 .bundle 目录（考虑先备份 .bundle / config 中的内容），然后运行软件包安装命令再次。您可以执行 cat .bundle / config 将其内容回显到终端（STDOUT）。

I suggest you delete .bundle directory (consider backing up whatever's inside .bundle/config first) and run your bundle install command again. You can do cat .bundle/config to echo its contents to your terminal (STDOUT).

请确保您通过执行 rvm gemdir 和 gem list 选择正确的宝石集，以查看当前宝石集中的所有宝石。

Make sure you have chosen the correct gemset by doing rvm gemdir and gem list to see all the gems in the current gemset.

使用 rails s -e开发启动服务器（s是服务器的缩写）

Start your server with rails s -e development (s is short for server)

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