为什么我的 Rails 应用程序看不到已安装的 gem？
运行 Ubuntu 10、RVM、Passenger 和 apache2。尝试配置并运行 Redmine。
首先，我将默认的 Ruby 二进制文件设置为 /usr/local/rvm/rubies/ruby-1.9.2-p180/bin/ruby。这就是 which ruby 的输出。 which gem 的输出是 /usr/local/rvm/rubies/ruby-1.9.2-p180/bin/gem。我认为事情的这一面设置得当。
我知道 Passenger 正在运行，因为我收到错误屏幕，并显示以下错误：
错误消息：
<块引用>缺少 i18n 0.4.2 gem。请
gem install -v=0.4.2 i18n
更新乘客产生的错误来自boot.rb文件。我了解了应用程序的 boot.rb 文件的要点。
当我检查是否安装了该 gem 时，这是输出。
# 宝石列表# ...列表被截断...# i18n (0.4.2) （已安装 gem 的完整要点此处）
真的吗？让我们首先确保 Passenger.conf 进入正确的 Ruby 安装...
乘客.conf
<块引用>
PassengerRuby /usr/local/rvm/rubies/ruby-1.9.2-p180/bin/ruby
>:| 现在，我通过 SSH 进入应用程序目录，还有什么，script/server 正常启动。我有点困惑了。显然，Passenger 配置的 Ruby 安装缺少其所说的 Gem，但已安装，此外，该应用程序在启动时不会出现问题。这让我认为这是乘客问题。
Running Ubuntu 10, RVM, Passenger and apache2. Trying to configure and get Redmine running.
First, I set my default Ruby binary to /usr/local/rvm/rubies/ruby-1.9.2-p180/bin/ruby. That's the output of which ruby. Output of which gem is /usr/local/rvm/rubies/ruby-1.9.2-p180/bin/gem. I think that side of things is set up properly.
I know Passenger is running, because I'm getting an error screen, with this error:
Error message:
Missing the i18n 0.4.2 gem. Please
gem install -v=0.4.2 i18n
Update The error that passenger is producing is coming from the boot.rb file. I went and made a gist of the application's boot.rb file.
When I do check to see if that gem is installed, here's the output.
# gem list# ... list truncated ...# i18n (0.4.2)
(full gist of installed gems here)
Really? Let's first make sure passenger.conf is going to the right Ruby installation...
passenger.conf
PassengerRuby /usr/local/rvm/rubies/ruby-1.9.2-p180/bin/ruby
>:| So now, I go onto SSH into the application directory, and what have you, script/server starts normally. I'm a little more than confused. Clearly the Ruby installation that Passenger is configured to has the Gem it says is missing, installed, and additionally, the application doesn't falter on a start up. Which makes me think it's a Passenger problem.
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将 RVM 与 Passenger 一起使用有点复杂，也许这个关于使用 Ruby 和 Passenger 的链接会有所帮助。
Using RVM with Passenger is a bit complicated, maybe this link about using Ruby and Passenger will help.