不会运行rails命令

Question

我正在尝试学习rails并且在过去的几周内没有使用它,但今天我尝试运行任何rails命令,例如 - 'rails -v' - 'script/server'

我没有重新安装红宝石但是没有任何线索可能是错误的我在一个全新的Macbook Pro上

Jeremy-Geross-MacBook-Pro:~Jeremy $ rails -v

/Library/Ruby/Site/1.8/rubygems/config_file.rb:172:in `merge': can't convert String into Hash (TypeError)
 from /Library/Ruby/Site/1.8/rubygems/config_file.rb:172:in `initialize'
 from /Library/Ruby/Site/1.8/rubygems.rb:384:in `new'
 from /Library/Ruby/Site/1.8/rubygems.rb:384:in `configuration'
 from /Library/Ruby/Site/1.8/rubygems.rb:634:in `path'
 from /Library/Ruby/Site/1.8/rubygems/source_index.rb:68:in `installed_spec_directories'
 from /Library/Ruby/Site/1.8/rubygems/source_index.rb:58:in `from_installed_gems'
 from /Library/Ruby/Site/1.8/rubygems.rb:881:in `source_index'
 from /Library/Ruby/Site/1.8/rubygems/gem_path_searcher.rb:81:in `init_gemspecs'
 from /Library/Ruby/Site/1.8/rubygems/gem_path_searcher.rb:13:in `initialize'
 from /Library/Ruby/Site/1.8/rubygems.rb:839:in `new'
 from /Library/Ruby/Site/1.8/rubygems.rb:839:in `searcher'
 from /Library/Ruby/Site/1.8/rubygems.rb:838:in `synchronize'
 from /Library/Ruby/Site/1.8/rubygems.rb:838:in `searcher'
 from /Library/Ruby/Site/1.8/rubygems.rb:478:in `find_files'
 from /Library/Ruby/Site/1.8/rubygems.rb:1103
 from /usr/bin/rails:9:in `require'
 from /usr/bin/rails:9

更新:

其中ruby:/ usr/bin/ruby

ruby -v:ruby 1.8.7(2009-06-12 patchlevel 174)[i686-darwin10.3.0]

whereis gem:/ usr/bin/gem

宝石-v:`

/Library/Ruby/Site/1.8/rubygems/config_file.rb:172:in `merge': can't convert String into Hash (TypeError)
    from /Library/Ruby/Site/1.8/rubygems/config_file.rb:172:in `initialize'
    from /Library/Ruby/Site/1.8/rubygems.rb:384:in `new'
    from /Library/Ruby/Site/1.8/rubygems.rb:384:in `configuration'
    from /Library/Ruby/Site/1.8/rubygems.rb:634:in `path'
    from /Library/Ruby/Site/1.8/rubygems/source_index.rb:68:in `installed_spec_directories'
    from /Library/Ruby/Site/1.8/rubygems/source_index.rb:58:in `from_installed_gems'
    from /Library/Ruby/Site/1.8/rubygems.rb:881:in `source_index'
    from /Library/Ruby/Site/1.8/rubygems/gem_path_searcher.rb:81:in `init_gemspecs'
    from /Library/Ruby/Site/1.8/rubygems/gem_path_searcher.rb:13:in `initialize'
    from /Library/Ruby/Site/1.8/rubygems.rb:839:in `new'
    from /Library/Ruby/Site/1.8/rubygems.rb:839:in `searcher'
    from /Library/Ruby/Site/1.8/rubygems.rb:838:in `synchronize'
    from /Library/Ruby/Site/1.8/rubygems.rb:838:in `searcher'
    from /Library/Ruby/Site/1.8/rubygems.rb:478:in `find_files'
    from /Library/Ruby/Site/1.8/rubygems.rb:1103
    from /usr/bin/gem:8:in `require'
    from /usr/bin/gem:8

gem list :

/Library/Ruby/Site/1.8/rubygems/config_file.rb:172:in `merge': can't convert String into Hash (TypeError)
    from /Library/Ruby/Site/1.8/rubygems/config_file.rb:172:in `initialize'
    from /Library/Ruby/Site/1.8/rubygems.rb:384:in `new'
    from /Library/Ruby/Site/1.8/rubygems.rb:384:in `configuration'
    from /Library/Ruby/Site/1.8/rubygems.rb:634:in `path'
    from /Library/Ruby/Site/1.8/rubygems/source_index.rb:68:in `installed_spec_directories'
    from /Library/Ruby/Site/1.8/rubygems/source_index.rb:58:in `from_installed_gems'
    from /Library/Ruby/Site/1.8/rubygems.rb:881:in `source_index'
    from /Library/Ruby/Site/1.8/rubygems/gem_path_searcher.rb:81:in `init_gemspecs'
    from /Library/Ruby/Site/1.8/rubygems/gem_path_searcher.rb:13:in `initialize'
    from /Library/Ruby/Site/1.8/rubygems.rb:839:in `new'
    from /Library/Ruby/Site/1.8/rubygems.rb:839:in `searcher'
    from /Library/Ruby/Site/1.8/rubygems.rb:838:in `synchronize'
    from /Library/Ruby/Site/1.8/rubygems.rb:838:in `searcher'
    from /Library/Ruby/Site/1.8/rubygems.rb:478:in `find_files'
    from /Library/Ruby/Site/1.8/rubygems.rb:1103
    from /usr/bin/gem:8:in `require'
    from /usr/bin/gem:8

`

whereis rails:/ usr/bin/rails

Answer 1

看起来你的gemrc文件可能会被破坏.您可以删除该文件(或更好地将其移走)并查看内容.它应该是key: value每行的形式,或者key:后面是一些缩进的行.