Question

我要

Bundler could not find compatible versions for gem "railties":
  In Gemfile:
  some_gem was resolved to 0.0.1, which depends on
    devise (>= 3.2.4, < 4.0.0) was resolved to 3.5.10, which depends on
      railties (>= 3.2.6, < 5)

  some_gem was resolved to 0.0.1, which depends on
    rails (~> 4.0.13) was resolved to 4.0.13, which depends on
      railties (= 4.0.13)

  rspec-rails (~> 3.8) was resolved to 3.8.2, which depends on
    railties (>= 3.0)

railties = 4.0.13是否不满足所有3 railties个版本条件？

Answer 1

至少您可以在此处看到Devise要求使用栏杆（“> = 4.1.0”，“ <6.0”）。 https://raw.githubusercontent.com/plataformatec/devise/master/devise.gemspec

因此，您可以尝试在Gemfile中指定版本： gem'railties'，'〜> 4.1.0'

解析捆绑程序的冲突输出消息时遇到问题

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