ruby-on-rails – lockfile_parser.r:48：在`parse_source’中：未定义的方法`[]’为nil：NilClass(NoMethodError)

我第一次一直在使用 RubyOnRails3和 Git.一切都顺利进行,直到任何与轨道相关的命令行参数突然停止工作.不幸的是,我不知道是什么导致了这个或如何修复它.

这是命令行的输出

C:\railstest\railsproject>rails
C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.0/lib/bundler/lockfile_parser.rb
:48:in `parse_source': undefined method `[]' for nil:NilClass (NoMethodError)
        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.0/lib/bundler/lockf
ile_parser.rb:20:in `block in initialize'
        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.0/lib/bundler/lockf
ile_parser.rb:14:in `each'
        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.0/lib/bundler/lockf
ile_parser.rb:14:in `initialize'
        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.0/lib/bundler/defin
ition.rb:43:in `new'
        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.0/lib/bundler/defin
ition.rb:43:in `initialize'
        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.0/lib/bundler/dsl.r
b:122:in `new'
        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.0/lib/bundler/dsl.r
b:122:in `to_deFinition'
        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.0/lib/bundler/defin
ition.rb:20:in `build'
        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.0/lib/bundler.rb:12
8:in `deFinition'
        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.0/lib/bundler.rb:11
6:in `load'
        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bundler-1.0.0/lib/bundler.rb:10
0:in `setup'
        from C:/railstest/railsproject/config/boot.rb:8:in `<top (required)>'
        from <internal:lib/rubygems/custom_require>:29:in `require'
        from <internal:lib/rubygems/custom_require>:29:in `require'
        from script/rails:5:in `<main>'

我不确定提供什么其他信息

解决方法

好像Gemfile.lock文件中存在一些问题.您可以尝试删除此文件并再次运行bundle install以查看它是否可以正确地重新创建它.