沒有rails命令將運行

Question

我正在嘗試學習rails，並且在過去幾周內沒有使用它，但是今天當我嘗試運行任何rails命令時，例如 - 'rails -v' - 'script/server 「

我沒有得到重新安裝紅寶石，但並未沒有什麼線索可能是錯 上午在一個全新的MacBook Pro

傑里米 - Geross-的MacBook-Pro的：〜傑里米$軌-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：

whereis紅寶石：在/ usr/bin中/紅寶石

紅寶石-v：紅寶石1.8.7（2009-06-12 PATCHLEVEL 174）[i686的-darwin10.3.0]

whereis寶石：在/ usr/bin中/寶石

寶石-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軌道：在/ usr/bin中/導軌

Answer 1

看起來你gemrc文件可能被打破。您可以刪除該文件（或者更好地移動它）並查看內容。它應該是每行key: value的格式，或者是key:，後面跟着一些縮進行。