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未定义的方法`halt_callback_chains_on_return_false =

我正在将Rails 5.1应用程序升级到5.2。我已经更新了包括Rails在内的所有宝石,最后运行了rails app:update它,为Rails应用程序创建了新文件。

具体来说,创建了两个与我有关的文件。首先config/initializers是一个new_framework_defaults_5_2.rb文件,其次是(在同一目录中)a new_framework_defaults.rb。第一个文件仅包含注释,而第二个文件包含一些新的配置选项。这些选项之一是:

ActiveSupport.halt_callback_chains_on_return_false = false
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此方法调用将引发undefined_method错误。我需要用这行代码做什么?

这是堆栈跟踪:

Traceback (most recent call last):
    73: from bin/rails:4:in `<main>'
    72: from /usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.0/lib/active_support/dependencies.rb:283:in `require'
    71: from /usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.0/lib/active_support/dependencies.rb:249:in `load_dependency'
    70: from /usr/local/rvm/gems/ruby-2.5.1/gems/activesupport-5.2.0/lib/active_support/dependencies.rb:283:in `block in require'
    69: from /usr/local/rvm/gems/ruby-2.5.1/gems/bootsnap-1.3.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:29:in `require'
    68: from /usr/local/rvm/gems/ruby-2.5.1/gems/bootsnap-1.3.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:20:in `require_with_bootsnap_lfi'
    67: from /usr/local/rvm/gems/ruby-2.5.1/gems/bootsnap-1.3.0/lib/bootsnap/load_path_cache/loaded_features_index.rb:65:in `register'
    66: from /usr/local/rvm/gems/ruby-2.5.1/gems/bootsnap-1.3.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:21:in `block in require_with_bootsnap_lfi'
    65: from /usr/local/rvm/gems/ruby-2.5.1/gems/bootsnap-1.3.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:21:in `require'
    64: from /usr/local/rvm/gems/ruby-2.5.1/gems/railties-5.2.0/lib/rails/commands.rb:18:in `<main>'
    63: from /usr/local/rvm/gems/ruby-2.5.1/gems/railties-5.2.0/lib/rails/command.rb:46:in `invoke'
    62: from /usr/local/rvm/gems/ruby-2.5.1/gems/railties-5.2.0/lib/rails/command/base.rb:65:in `perform'
    61: from /usr/local/rvm/gems/ruby-2.5.1/gems/thor-0.20.0/lib/thor.rb:387:in `dispatch'
    60: from …
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ruby ruby-on-rails ruby-on-rails-5

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