Rails 3.0.0.beta 安装问题:找不到可执行的 rails [英] Rails 3.0.0.beta Install problem: can't find executable rails

问题描述

我正在尝试安装 rails 3.0.0.beta，但遇到了这个问题:

I'm trying to install the rails 3.0.0.beta and I'm running into this issue:

justins-mac-: justinz$ ruby -v
ruby 1.8.7 (2008-08-11 patchlevel 72) [universal-darwin10.0]
justins-mac-justinz$ rails -help
/Library/Ruby/Site/1.8/rubygems.rb:384:in `bin_path': can't find executable rails for rails-3.0.0.beta (Gem::Exception)
 from /usr/bin/rails:19
justins-mac-justinz$ rails -v
/Library/Ruby/Site/1.8/rubygems.rb:384:in `bin_path': can't find executable rails for rails-3.0.0.beta (Gem::Exception)
 from /usr/bin/rails:19
justins-mac-justinz$ 

关于这里发生了什么的任何线索?

Any clues as to what is going on here?

推荐答案

升级 ruby​​gems 和清理后，您需要:

After upgrading rubygems and cleaning up you need to:

gem install railties --pre

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