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我正在尝试在我的 Rails 应用程序中运行 RSpec 测试并不断收到以下错误：

:> rspec spec/controllers/api/v0/buying_strategies_controller_spec.rb
    WARN: Unresolved specs during Gem::Specification.reset:
      activemodel (< 6.0, >= 3.0, >= 4.2.0)
      activesupport (>= 3.0, >= 4.2.0)
   WARN: Clearing out unresolved specs.
   Please report a bug if this causes problems.
/Users/christopherdanella/.rbenv/versions/2.3.0/lib/ruby/gems/2.3.0/gems/headless-2.3.1/lib/headless.rb:207:in `ensure_xvfb_launched': Display socket is taken but lock file is missing - check the Headless troubleshooting guide (Headless::Exception)
from /Users/christopherdanella/.rbenv/versions/2.3.0/lib/ruby/gems/2.3.0/gems/headless-2.3.1/lib/headless.rb:195:in `launch_xvfb'

此处的故障排除指南http://www.rubydoc.info/github/leonid-shevtsov/headless#Display_socket_is_taken_but_lock_file_is_missing只是说这是一种特殊情况并打开一个问题。有任何想法吗？

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1 回答 1

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您可以尝试清理 gem，似乎您有多个版本的相同 gem，而 rspec 不知道使用哪一个。

看看另一个 QA 的答案： https ://stackoverflow.com/a/18127613/7219974

于 2017-04-25T20:19:47.793 回答