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我很难让 Sinatra 在我的本地设置 Ubuntu Karmic 9.10 上运行。当我需要'sinatra'时抛出的错误是：

NoMethodError: undefined method `[]' for nil:NilClass
from /usr/local/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:891:in `compile'
from /usr/local/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:883:in `gsub'
from /usr/local/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:883:in `compile'
from /usr/local/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:856:in `route'
from /usr/local/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:838:in `get'
from /usr/local/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:1077
from /usr/local/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:929:in `configure'
from /usr/local/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra/base.rb:1076
from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require'
from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
from /usr/local/lib/ruby/gems/1.8/gems/sinatra-1.0/lib/sinatra.rb:4
from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require'
from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `require'
from (irb):2
from :0

我试过了：

  • 卸载/重新安装 Sinatra
  • 更新所有宝石
  • 确保所有依赖项都存在（机架）

有任何想法吗？非常感谢您的时间和帮助！

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1 回答 1

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这显然是仅在 Linux 上的 1.8-head 中出现的问题。它与正则表达式匹配有关。如果你看一下代码：path确实匹配/((:\w+)|[\*#{special_chars.join}])/，但是$2是nil，即使它应该是一个字符串。

我建议现在切换你的 ruby​​ 版本。

于 2010-05-05T07:53:22.463 回答