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问题描述

我有一个在Ubuntu上创建的Rails应用程序。我想在Mac上运行它,但安装捆绑软件并运行 rails s 后,出现以下错误:

我的 Gemfile

我在Java HotSpot(TM)64位服务器上使用 jruby 1.7.4(1.9.3p392)2013-05-16 2390d3b VM 1.7.0_15-b03 [darwin-x86_64]
Rails 3.2.8

解决方案

这个问题源于您试图使用依赖于C扩展的Ruby gem的事实。来自:

具体而言,错误消息指出: dlopen(/Users/home/.rvm/rubies/jruby-1.7.4/lib/native/Darwin/libjruby-cext.dylib,10):image not found 。这是试图加载未找到的JRuby C扩展包装。我不确定这里的确切原因,但可能它没有安装。



正如我看到的那样,您有两个主要选择:


  1. 像在Ubuntu上安装常规MRI一样,而不是JRuby。然后,您可以根据需要使用带有C扩展名的宝石。

  2. 从:使用取而代之的是jdbc-sqlite3。如果您需要它,您可以使用JRuby。


I have an Rails app which was created on Ubuntu. I wanted to run it on a Mac, but after installing bundles and running rails s, I get following errors:

My Gemfile:

I am using jruby 1.7.4 (1.9.3p392) 2013-05-16 2390d3b on Java HotSpot(TM) 64-Bit Server VM 1.7.0_15-b03 [darwin-x86_64]and Rails 3.2.8

解决方案

The problem stems from the fact that you are trying to use a Ruby gem that relies on a C extension. From the JRuby wiki:

Specifically, the error message states: dlopen(/Users/home/.rvm/rubies/jruby-1.7.4/lib/native/Darwin/libjruby-cext.dylib, 10): image not found. This is attempting to load the JRuby C extension wrapper, which is not found. I'm not sure of the exact cause here, but perhaps it didn't get installed.

As I see it, you have two main options:

  1. Install regular MRI instead of JRuby, as you had on Ubuntu. Then you can use gems with C extensions as you wish.
  2. From the same wiki: Use activerecord-jdbc-adapter instead along with jdbc-sqlite3. This will allow you to use JRuby, if you need it for your application.

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07-22 14:33
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