我刚刚安装了rails 3.0.1，当我尝试做类似rails服务器的操作时，我收到以下错误信息。
注意第一行说它无法找到rails gem 3.0.0.rc： 在任何一个gem中都找不到gem'rail（= 3.0.0.rc，runtime）' OURCES。 （捆扎机:: GemNotFound）
如何让我的rails3应用程序使用rails 3.0.1？
谢谢，
-p.s。完整的错误：
C：/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.3/lib/bundler/resolver.rb：280：在
resolve': Could not find gem 'rails (= 3.0.0.rc, runtime)' in any of the gem s
ources. (Bundler::GemNotFound)
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.3/lib/bundler/resol
ver.rb:162:in开始”
来自C：/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.3/lib/bundler/resol
ver.rb：131：block in resolve'
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.3/lib/bundler/resol
ver.rb:130:in抓住'
来自C：/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.3/lib/bundler/resol
ver.rb：130：在resolve'
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.3/lib/bundler/defin
ition.rb:153:in解析'
来自C：/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.3/lib/bundler/defin
ition.rb：93：specs'
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.3/lib/bundler/defin
ition.rb:137:in specs_for'
来自C：/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.3/lib/bundler/defin
ition.rb：126：在requested_specs'
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.3/lib/bundler/envir
onment.rb:23:in requested_specs'中
来自C：/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.3/lib/bundler/runti
me.rb:11:in setup'
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.3/lib/bundler.rb:10
0:in setup'
来自C：/ Users / soheil / Documents / Aptana Studio 3工作区/ pakrat-rails3 / c
onfig / boot.rb:5:in <top (required)>'
from <internal:lib/rubygems/custom_require>:29:in require'
来自：29：require'
from script/rails:8:in'
答案 0 :(得分：1)
在你的gemfile中你可以改变这一行：
gem'rail'，'3.0.1'
然后跑 捆绑安装