【发布时间】：2020-11-06 16:32:12
【问题描述】：
我的 RoR 应用程序有问题。 它启动得很好，但是当我打开它时出现以下错误：
它说这是一个框架错误：
activerecord (5.0.7.2) lib/active_record/connection_adapters/sqlite3_adapter.rb:27:in `initialize'
activerecord (5.0.7.2) lib/active_record/connection_adapters/sqlite3_adapter.rb:27:in `new'
activerecord (5.0.7.2) lib/active_record/connection_adapters/sqlite3_adapter.rb:27:in `sqlite3_connection'
activerecord (5.0.7.2) lib/active_record/connection_adapters/abstract/connection_pool.rb:729:in `new_connection'
activerecord (5.0.7.2) lib/active_record/connection_adapters/abstract/connection_pool.rb:773:in `checkout_new_connection'
activerecord (5.0.7.2) lib/active_record/connection_adapters/abstract/connection_pool.rb:752:in `try_to_checkout_new_connection'
activerecord (5.0.7.2) lib/active_record/connection_adapters/abstract/connection_pool.rb:713:in `acquire_connection'
activerecord (5.0.7.2) lib/active_record/connection_adapters/abstract/connection_pool.rb:490:in `checkout'
activerecord (5.0.7.2) lib/active_record/connection_adapters/abstract/connection_pool.rb:364:in `connection'
activerecord (5.0.7.2) lib/active_record/connection_adapters/abstract/connection_pool.rb:883:in `retrieve_connection'
activerecord (5.0.7.2) lib/active_record/connection_handling.rb:128:in `retrieve_connection'
activerecord (5.0.7.2) lib/active_record/connection_handling.rb:91:in `connection'
activerecord (5.0.7.2) lib/active_record/migration.rb:559:in `connection'
activerecord (5.0.7.2) lib/active_record/migration.rb:546:in `call'
actionpack (5.0.7.2) lib/action_dispatch/middleware/callbacks.rb:38:in `block in call'
activesupport (5.0.7.2) lib/active_support/callbacks.rb:97:in `__run_callbacks__'
activesupport (5.0.7.2) lib/active_support/callbacks.rb:750:in `_run_call_callbacks'
activesupport (5.0.7.2) lib/active_support/callbacks.rb:90:in `run_callbacks'
actionpack (5.0.7.2) lib/action_dispatch/middleware/callbacks.rb:36:in `call'
actionpack (5.0.7.2) lib/action_dispatch/middleware/executor.rb:12:in `call'
actionpack (5.0.7.2) lib/action_dispatch/middleware/remote_ip.rb:79:in `call'
actionpack (5.0.7.2) lib/action_dispatch/middleware/debug_exceptions.rb:49:in `call'
web-console (3.7.0) lib/web_console/middleware.rb:135:in `call_app'
web-console (3.7.0) lib/web_console/middleware.rb:30:in `block in call'
web-console (3.7.0) lib/web_console/middleware.rb:20:in `catch'
web-console (3.7.0) lib/web_console/middleware.rb:20:in `call'
actionpack (5.0.7.2) lib/action_dispatch/middleware/show_exceptions.rb:31:in `call'
railties (5.0.7.2) lib/rails/rack/logger.rb:36:in `call_app'
railties (5.0.7.2) lib/rails/rack/logger.rb:24:in `block in call'
activesupport (5.0.7.2) lib/active_support/tagged_logging.rb:69:in `block in tagged'
activesupport (5.0.7.2) lib/active_support/tagged_logging.rb:26:in `tagged'
activesupport (5.0.7.2) lib/active_support/tagged_logging.rb:69:in `tagged'
railties (5.0.7.2) lib/rails/rack/logger.rb:24:in `call'
sprockets-rails (3.2.2) lib/sprockets/rails/quiet_assets.rb:13:in `call'
actionpack (5.0.7.2) lib/action_dispatch/middleware/request_id.rb:24:in `call'
rack (2.2.3) lib/rack/method_override.rb:24:in `call'
rack (2.2.3) lib/rack/runtime.rb:22:in `call'
activesupport (5.0.7.2) lib/active_support/cache/strategy/local_cache_middleware.rb:28:in `call'
actionpack (5.0.7.2) lib/action_dispatch/middleware/executor.rb:12:in `call'
actionpack (5.0.7.2) lib/action_dispatch/middleware/static.rb:136:in `call'
rack (2.2.3) lib/rack/sendfile.rb:110:in `call'
railties (5.0.7.2) lib/rails/engine.rb:522:in `call'
puma (3.12.6) lib/puma/configuration.rb:227:in `call'
puma (3.12.6) lib/puma/server.rb:706:in `handle_request'
puma (3.12.6) lib/puma/server.rb:476:in `process_client'
puma (3.12.6) lib/puma/server.rb:334:in `block in run'
puma (3.12.6) lib/puma/thread_pool.rb:135:in `block in spawn_thread'
我的设置：
ruby 2.6.6p146（2020-03-31 修订版 67876）[x64-mingw32]
Rails 5.0.7.2
视窗 10
提前感谢您的帮助！
【问题讨论】：
-
嗯，它告诉你你传入的那两个参数不应该存在。您是否在教程或其他内容中看到了此设置？
-
@RockwellRice 不，这是框架为我提供的默认设置。你知道如何解决吗？
-
为什么要在代码块中创建数据库？为什么不
rails db:create？用例是什么？ -
SQLite3::Database 实际上接受两个参数 (github.com/sparklemotion/sqlite3-ruby/blob/master/lib/sqlite3/…)。所以要么你使用一些过时的 sqlite3-ruby gem 版本，要么这个类被某人以某种方式覆盖。您能提供 sqlite3-ruby gem 的版本吗？
标签： ruby-on-rails ruby rubygems sqlite3-ruby