我正在尝试在Rails博客上做一个简单的红宝石，作为Windows上的初学者练习。我一直试图让我的Rails服务器运行，但是当我在命令提示符中放入“ $ rails server”时，显示以下错误。下面显示的代码来自我的Gemfile。任何指导将不胜感激。
GEMFILE：
source 'https://rubygems.org'
git_source(:github) { |repo| "https://github.com/#{repo}.git" }
ruby '2.3.3'
# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
gem 'rails', '~> 5.2.3'
# Use sqlite3 as the database for Active Record
gem 'mysql', '~> 2.9.1'
# Use Puma as the app server
gem 'puma', '~> 3.11'
# Use SCSS for stylesheets
gem 'sass-rails', '~> 5.0'
# Use Uglifier as compressor for JavaScript assets
gem 'uglifier', '>= 1.3.0'
# See https://github.com/rails/execjs#readme for more supported runtimes
gem 'duktape'
# Use CoffeeScript for .coffee assets and views
gem 'coffee-rails', '~> 4.2'
# Turbolinks makes navigating your web application faster. Read more:
https://github.com/turbolinks/turbolinks
gem 'turbolinks', '~> 5'
# Build JSON APIs with ease. Read more:
https://github.com/rails/jbuilder
gem 'jbuilder', '~> 2.5'
# Use Redis adapter to run Action Cable in production
# gem 'redis', '~> 4.0'
# Use ActiveModel has_secure_password
# gem 'bcrypt', '~> 3.1.7'
# Use ActiveStorage variant
# gem 'mini_magick', '~> 4.8'
# Use Capistrano for deployment
# gem 'capistrano-rails', group: :development
# Reduces boot times through caching; required in config/boot.rb
gem 'bootsnap', '<= 1.1.0', require: false
group :development, :test do
# Call 'byebug' anywhere in the code to stop execution and get a debugger console
gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]
end
group :development do
# Access an interactive console on exception pages or by calling 'console' anywhere in the code.
gem 'web-console', '>= 3.3.0'
end
group :test do
# Adds support for Capybara system testing and selenium driver
gem 'capybara', '>= 2.15'
gem 'selenium-webdriver'
# Easy installation and use of chromedriver to run system tests with
Chrome
gem 'chromedriver-helper'
end
# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
这些是显示的错误
C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/bootsnap-
1.1.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:19:in
`require': cannot load such file -- mysql/mysql_api (LoadError)
from
C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:291:in `block in require'
from
C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:257:in `load_dependency'
from
C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:291:in `require'
from C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/mysql-2.9.1-x86-mingw32/lib/mysql.rb:6:in `rescue in <top (required)>'
from C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/mysql-2.9.1-x86-mingw32/lib/mysql.rb:2:in `<top (required)>'
from C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/bootsnap-1.1.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:50:in `require'
from C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/bootsnap-1.1.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:50:in `require'
from C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/bundler-2.0.2/lib/bundler/runtime.rb:81:in `block (2 levels) in require'
from C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/bundler-2.0.2/lib/bundler/runtime.rb:76:in `each'
from C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/bundler-2.0.2/lib/bundler/runtime.rb:76:in `block in require'
from C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/bundler-2.0.2/lib/bundler/runtime.rb:65:in `each'
from C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/bundler-2.0.2/lib/bundler/runtime.rb:65:in `require'
from C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/bundler-2.0.2/lib/bundler.rb:114:in `require'
from C:/Users/kac56/RubyMineProject/blog/config/application.rb:7:in `<top (required)>'
from C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/bootsnap-1.1.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:17:in `require'
from C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/bootsnap-1.1.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:17:in `require'
from
C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:291:in `block in require'
from
C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:257:in `load_dependency'
from
C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:291:in `require'
from C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/railties-5.2.3/lib/rails/commands/server/server_command.rb:145:in `block in perform'
from C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/railties-5.2.3/lib/rails/commands/server/server_command.rb:142:in `tap'
from C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/railties-5.2.3/lib/rails/commands/server/server_command.rb:142:in `perform'
from C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/thor-0.20.3/lib/thor/command.rb:27:in `run'
from C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/thor-0.20.3/lib/thor/invocation.rb:126:in `invoke_command'
from C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/thor-0.20.3/lib/thor.rb:387:in `dispatch'
from C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/railties-5.2.3/lib/rails/command/base.rb:65:in `perform'
from C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/railties-5.2.3/lib/rails/command.rb:46:in `invoke'
from C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/railties-5.2.3/lib/rails/commands.rb:18:in `<top (required)>'
from C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/bootsnap-1.1.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:17:in `require'
from C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/bootsnap-1.1.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:17:in `require'
from
C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/activesupport
5.2.3/lib/active_support/dependencies.rb:291:in `block in require'
from
C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/activesupport-
5.2.3/lib/active_support/dependencies.rb:257:in `load_dependency'
from
C:/RailsInstaller/Ruby2.3.3/lib/ruby/gems/2.3.0/gems/activesupport-
5.2.3/lib/active_support/dependencies.rb:291:in `require'
from bin/rails:4:in `<main>'