无法分割'：错误的URI（不是URI？）：

问题描述

我有以下CarrierWave初始化程序，可在我的Heroku / MONGOHQ / GridFS env上正常工作：

I've got the following CarrierWave initializer which works fine on my Heroku/MONGOHQ/GridFS env :

CarrierWave.configure do |config|
  config.storage = :grid_fs
  uri = URI.parse(ENV['MONGOHQ_URL'])
  config.grid_fs_database = File.basename(uri.path)
  config.grid_fs_host = uri.host unless uri.host.blank?
  config.grid_fs_port = uri.port unless uri.port.blank?
  config.grid_fs_username = uri.user unless uri.user.blank?
  config.grid_fs_password = uri.password unless uri.password.blank?
  config.grid_fs_access_url = '/gridfs'
  config.cache_dir = "uploads"
  config.root = Rails.root.join('tmp')
end

但是，当我尝试在开发中本地运行代码时，出现以下错误：

but, when I try to run the code locally (in developement) I get the following error:

`split': bad URI(is not URI?):  (URI::InvalidURIError)

这里是完整的堆栈：我试图在初始化程序的顶部添加require'uri / generic'但不起作用。

here is the full stack : http://pastie.org/1630069 I tried to add require 'uri/generic' on top of initializer but doesn't works.

有人知道吗？
预先感谢
luca

Does anybody know way ?Thanks in advanceluca

推荐答案

如KenB所建议，ENV ['MONGOHQ_URL']不是在我的本地机器开发环境上设置：

As suggested by KenB the ENV['MONGOHQ_URL'] was not setted on my local machine developement environment :

lsoave@ubuntu:~/rails/heroku/mp3upload$ rails c
Loading development environment (Rails 3.0.5)
ruby-1.9.2-p136 :001 > ENV['MONGOHQ_URL']
 => nil
ruby-1.9.2-p136 :002 >

这是一个没有初始化程序的分支，因此在我的本地计算机上，我不得不跳过它。我是这样做的：

this was a branch without the initializer, so on my local machine I had to skip that. I did it like that:

    if ENV['MONGOHQ_URL']
      CarrierWave.configure do |config|
        config.storage = :grid_fs
        uri = URI.parse(ENV['MONGOHQ_URL'])
        config.grid_fs_database = File.basename(uri.path)
        config.grid_fs_host = uri.host unless uri.host.blank?
        config.grid_fs_port = uri.port unless uri.port.blank?
        config.grid_fs_username = uri.user unless uri.user.blank?
        config.grid_fs_password = uri.password unless uri.password.blank?
        config.grid_fs_access_url = '/gridfs'
        config.cache_dir = "uploads"
        config.root = Rails.root.join('tmp')
      end
    end

我认为这是在引导过程中跳过Ralis 3.0.5初始化程序的更好方法

I think that should be a very better way to skip a Ralis 3.0.5 initializer during the boot process, conditionally to the ENV['MONGOHQ_URL'] parameter value.

如果有更好的方法，可以请您分享一下吗？
非常感谢：-)
luca

If you have a better way, could you please share it ?Many thanks :-)luca

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