Ruby on rails 运行任何gem命令时出错

每当我尝试从命令行使用任何gem操作时，我都会在它执行操作之前收到这个错误。目前，我在运行heroku命令时收到此消息，但是在显示以下错误后，heroku命令确实成功运行。如何消除下面的错误显示-

Invalid gemspec in [/home/murtaza/.rvm/gems/ruby-1.9.3-p194/specifications/mail-2.3.3.gemspec]: invalid date format in specification: "2012-03-14 00:00:00.000000000Z" Invalid gemspec in [/home/murtaza/.rvm/gems/ruby-1.9.3-p194/specifications/jquery-rails-1.0.19.gemspec]: invalid date format in specification: "2011-11-26 00:00:00.000000000Z" Invalid gemspec in [/home/murtaza/.rvm/gems/ruby-1.9.3-p194/specifications/multipart-post-1.1.5.gemspec]: invalid date format in specification: "2012-02-13 00:00:00.000000000Z" Invalid gemspec in [/home/murtaza/.rvm/gems/ruby-1.9.3-p194/specifications/uuid-2.3.5.gemspec]: invalid date format in specification: "2012-01-23 00:00:00.000000000Z" Invalid gemspec in [/home/murtaza/.rvm/gems/ruby-1.9.3-p194/specifications/oauth2-0.5.2.gemspec]: invalid date format in specification: "2012-01-04 00:00:00.000000000Z" Invalid gemspec in [/home/murtaza/.rvm/gems/ruby-1.9.3-p194/specifications/rack-cache-1.0.3.gemspec]: invalid date format in specification: "2011-08-27 00:00:00.000000000Z"

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宝石质朴-所有问题都解决了

@ShreyasAgarwal不仅仅是放了一个链接到副本，还要投票以副本的形式结束这个问题。谢谢Shreyas。宝石般的质朴——一切都解决了。