那些遇到过的问题

由于库版本不兼容，无法创建 Rails 应用程序 - 加载错误

Mil*_*les 5 ruby macos rubygems ruby-on-rails rvm

第一次在这里发帖！我正在尝试构建一个 rails 应用程序，但我在开始时遇到了很多困难。我已经安装了 Rails 和 Ruby，但是每次我去制作应用程序 (Miless-MBP:railstest miles$ rails new tester2) 时，我都会遇到很多错误。完整日志如下，但我在这里列出了 4 个。

非常感谢大家！

/Users/miles/.rvm/gems/ruby-2.6.3/gems/msgpack-1.3.1/lib/msgpack.rb:9:in `require': cannot load such file -- msgpack/2.6/msgpack (LoadError)

/Users/miles/.rvm/gems/ruby-2.6.3/gems/msgpack-1.3.1/lib/msgpack.rb:11:in `require': incompatible library version - /Users/miles/.rvm/gems/ruby-2.6.3/gems/msgpack-1.3.1/lib/msgpack/msgpack.bundle (LoadError)

/Users/miles/.rvm/gems/ruby-2.6.3/gems/msgpack-1.3.1/lib/msgpack.rb:9:in `require': cannot load such file -- msgpack/2.6/msgpack (LoadError)

/Users/miles/.rvm/gems/ruby-2.6.3/gems/msgpack-1.3.1/lib/msgpack.rb:11:in `require': incompatible library version - /Users/miles/.rvm/gems/ruby-2.6.3/gems/msgpack-1.3.1/lib/msgpack/msgpack.bundle (LoadError)
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    26: from bin/rails:3:in `<main>'
    25: from bin/rails:3:in `load'
    24: from /Users/miles/railstest/tester2/bin/spring:15:in `<top (required)>'
    23: from /Users/miles/railstest/tester2/bin/spring:15:in `require'
    22: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/binstub.rb:11:in `<top (required)>'
    21: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/binstub.rb:11:in `load'
    20: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/bin/spring:49:in `<top (required)>'
    19: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/client.rb:30:in `run'
    18: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/client/command.rb:7:in `call'
    17: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/client/rails.rb:28:in `call'
    16: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/client/rails.rb:28:in `load'
    15: from /Users/miles/railstest/tester2/bin/rails:8:in `<top (required)>'
    14: from /Users/miles/railstest/tester2/bin/rails:8:in `require_relative'
    13: from /Users/miles/railstest/tester2/config/boot.rb:4:in `<top (required)>'
    12: from /Users/miles/railstest/tester2/config/boot.rb:4:in `require'
    11: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/setup.rb:1:in `<top (required)>'
    10: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/setup.rb:1:in `require_relative'
     9: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap.rb:3:in `<top (required)>'
     8: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap.rb:3:in `require_relative'
     7: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache.rb:74:in `<top (required)>'
     6: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache.rb:74:in `require_relative'
     5: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/store.rb:3:in `<top (required)>'
     4: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/explicit_require.rb:40:in `with_gems'
     3: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/store.rb:3:in `block in <top (required)>'
     2: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/store.rb:3:in `require'
     1: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/msgpack-1.3.1/lib/msgpack.rb:9:in `<top (required)>'
/Users/miles/.rvm/gems/ruby-2.6.3/gems/msgpack-1.3.1/lib/msgpack.rb:9:in `require': cannot load such file -- msgpack/2.6/msgpack (LoadError)
    27: from bin/rails:3:in `<main>'
    26: from bin/rails:3:in `load'
    25: from /Users/miles/railstest/tester2/bin/spring:15:in `<top (required)>'
    24: from /Users/miles/railstest/tester2/bin/spring:15:in `require'
    23: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/binstub.rb:11:in `<top (required)>'
    22: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/binstub.rb:11:in `load'
    21: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/bin/spring:49:in `<top (required)>'
    20: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/client.rb:30:in `run'
    19: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/client/command.rb:7:in `call'
    18: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/client/rails.rb:28:in `call'
    17: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/client/rails.rb:28:in `load'
    16: from /Users/miles/railstest/tester2/bin/rails:8:in `<top (required)>'
    15: from /Users/miles/railstest/tester2/bin/rails:8:in `require_relative'
    14: from /Users/miles/railstest/tester2/config/boot.rb:4:in `<top (required)>'
    13: from /Users/miles/railstest/tester2/config/boot.rb:4:in `require'
    12: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/setup.rb:1:in `<top (required)>'
    11: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/setup.rb:1:in `require_relative'
    10: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap.rb:3:in `<top (required)>'
     9: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap.rb:3:in `require_relative'
     8: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache.rb:74:in `<top (required)>'
     7: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache.rb:74:in `require_relative'
     6: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/store.rb:3:in `<top (required)>'
     5: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/explicit_require.rb:40:in `with_gems'
     4: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/store.rb:3:in `block in <top (required)>'
     3: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/store.rb:3:in `require'
     2: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/msgpack-1.3.1/lib/msgpack.rb:8:in `<top (required)>'
     1: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/msgpack-1.3.1/lib/msgpack.rb:11:in `rescue in <top (required)>'
/Users/miles/.rvm/gems/ruby-2.6.3/gems/msgpack-1.3.1/lib/msgpack.rb:11:in `require': incompatible library version - /Users/miles/.rvm/gems/ruby-2.6.3/gems/msgpack-1.3.1/lib/msgpack/msgpack.bundle (LoadError)
    27: from bin/rails:3:in `<main>'
    26: from bin/rails:3:in `load'
    25: from /Users/miles/railstest/tester2/bin/spring:15:in `<top (required)>'
    24: from /Users/miles/railstest/tester2/bin/spring:15:in `require'
    23: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/binstub.rb:11:in `<top (required)>'
    22: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/binstub.rb:11:in `load'
    21: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/bin/spring:49:in `<top (required)>'
    20: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/client.rb:30:in `run'
    19: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/client/command.rb:7:in `call'
    18: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/client/rails.rb:28:in `call'
    17: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/client/rails.rb:28:in `load'
    16: from /Users/miles/railstest/tester2/bin/rails:8:in `<top (required)>'
    15: from /Users/miles/railstest/tester2/bin/rails:8:in `require_relative'
    14: from /Users/miles/railstest/tester2/config/boot.rb:4:in `<top (required)>'
    13: from /Users/miles/railstest/tester2/config/boot.rb:4:in `require'
    12: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/setup.rb:1:in `<top (required)>'
    11: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/setup.rb:1:in `require_relative'
    10: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap.rb:3:in `<top (required)>'
     9: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap.rb:3:in `require_relative'
     8: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache.rb:74:in `<top (required)>'
     7: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache.rb:74:in `require_relative'
     6: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/store.rb:3:in `<top (required)>'
     5: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/explicit_require.rb:39:in `with_gems'
     4: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/explicit_require.rb:43:in `rescue in with_gems'
     3: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/store.rb:3:in `block in <top (required)>'
     2: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/store.rb:3:in `require'
     1: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/msgpack-1.3.1/lib/msgpack.rb:9:in `<top (required)>'
/Users/miles/.rvm/gems/ruby-2.6.3/gems/msgpack-1.3.1/lib/msgpack.rb:9:in `require': cannot load such file -- msgpack/2.6/msgpack (LoadError)
    28: from bin/rails:3:in `<main>'
    27: from bin/rails:3:in `load'
    26: from /Users/miles/railstest/tester2/bin/spring:15:in `<top (required)>'
    25: from /Users/miles/railstest/tester2/bin/spring:15:in `require'
    24: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/binstub.rb:11:in `<top (required)>'
    23: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/binstub.rb:11:in `load'
    22: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/bin/spring:49:in `<top (required)>'
    21: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/client.rb:30:in `run'
    20: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/client/command.rb:7:in `call'
    19: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/client/rails.rb:28:in `call'
    18: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/spring-2.1.0/lib/spring/client/rails.rb:28:in `load'
    17: from /Users/miles/railstest/tester2/bin/rails:8:in `<top (required)>'
    16: from /Users/miles/railstest/tester2/bin/rails:8:in `require_relative'
    15: from /Users/miles/railstest/tester2/config/boot.rb:4:in `<top (required)>'
    14: from /Users/miles/railstest/tester2/config/boot.rb:4:in `require'
    13: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/setup.rb:1:in `<top (required)>'
    12: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/setup.rb:1:in `require_relative'
    11: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap.rb:3:in `<top (required)>'
    10: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap.rb:3:in `require_relative'
     9: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache.rb:74:in `<top (required)>'
     8: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache.rb:74:in `require_relative'
     7: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/store.rb:3:in `<top (required)>'
     6: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/explicit_require.rb:39:in `with_gems'
     5: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/explicit_require.rb:43:in `rescue in with_gems'
     4: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/store.rb:3:in `block in <top (required)>'
     3: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/store.rb:3:in `require'
     2: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/msgpack-1.3.1/lib/msgpack.rb:8:in `<top (required)>'
     1: from /Users/miles/.rvm/gems/ruby-2.6.3/gems/msgpack-1.3.1/lib/msgpack.rb:11:in `rescue in <top (required)>'
/Users/miles/.rvm/gems/ruby-2.6.3/gems/msgpack-1.3.1/lib/msgpack.rb:11:in `require': incompatible library version - /Users/miles/.rvm/gems/ruby-2.6.3/gems/msgpack-1.3.1/lib/msgpack/msgpack.bundle (LoadError)```
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rai*_*inz 6

我遇到过同样的问题。您需要msgpack使用以下方法完全清理gem：

gem uninstall msgpack
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然后重新安装它，以便根据您现在使用的 ruby​​ 版本构建库。

你也可以试试：

bundle install --redownload
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这应该重新安装 gems 并使用您现在使用的 ruby​​ 版本重建链接库。

  • `bundle install --redownload` 对我有用。我的状态很糟糕，因为我使用的是 rvm，并且安装了错误的版本，并尝试安装新版本的 ruby​​，但它们使用相同的次要版本。例如，我首先安装了2.7.2，然后尝试升级到2.7.5。 (2认同)
  • 谢谢！！`bundle install --redownload ` 对我有用 (2认同)

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