### 前提・実現したいこと CentOS7でRedmine4.1をインストールしました。 WEBサーバは起動しておりますが、ブラウザ上に以下文言が出ておりアクセスが出来ません。どのようにすれば表示させることができるでしょうか。 ![イメージ説明](421354852ea623ae61e79a0e020099dd.png) We're sorry, but something went wrong. The issue has been logged for investigation. Please try again later. ### 発生している問題・エラーメッセージ /var/log/httpd/error_log内に以下エラーログを確認しました。 ``` [ E 2020-11-26 03:24:23.1900 2099/Ta age/Cor/Con/CheckoutSession.cpp:285 ]: [Client 2-3] Cannot checkout session because a spawning error occurred. The identifier of the error is c9ec9b65. Please see earlier logs for details about the error. App 2254 stdout: App 2254 stdout: [ E 2020-11-26 03:31:44.0900 2099/Tn age/Cor/App/Implementation.cpp:304 ]: Could not spawn process for application /var/lib/redmine: An error occurred while starting up the preloader. Error ID: 2bff5b8d Error details saved to: /tmp/passenger-error-LoCCCT.html Message from application: (): mapping values are not allowed in this context at line 4 column 18 (Psych::SyntaxError) /usr/local/lib/ruby/2.5.0/psych.rb:402:in `parse' /usr/local/lib/ruby/2.5.0/psych.rb:402:in `parse_stream' /usr/local/lib/ruby/2.5.0/psych.rb:350:in `parse' /usr/local/lib/ruby/2.5.0/psych.rb:263:in `load' /var/lib/redmine/lib/redmine/configuration.rb:92:in `load_from_yaml' /var/lib/redmine/lib/redmine/configuration.rb:42:in `load' /var/lib/redmine/lib/redmine/configuration.rb:73:in `[]' /var/lib/redmine/lib/redmine/thumbnail.rb:25:in `' /var/lib/redmine/lib/redmine/thumbnail.rb:22:in `' /var/lib/redmine/lib/redmine/thumbnail.rb:21:in `' /var/lib/redmine/vendor/bundle/ruby/2.5.0/gems/activesupport-5.2.4.2/lib/active_support/dependencies.rb:291:in `require' /var/lib/redmine/vendor/bundle/ruby/2.5.0/gems/activesupport-5.2.4.2/lib/active_support/dependencies.rb:291:in `block in require' /var/lib/redmine/vendor/bundle/ruby/2.5.0/gems/activesupport-5.2.4.2/lib/active_support/dependencies.rb:257:in `load_dependency' /var/lib/redmine/vendor/bundle/ruby/2.5.0/gems/activesupport-5.2.4.2/lib/active_support/dependencies.rb:291:in `require' /var/lib/redmine/lib/redmine.rb:48:in `' /var/lib/redmine/vendor/bundle/ruby/2.5.0/gems/activesupport-5.2.4.2/lib/active_support/dependencies.rb:291:in `require' /var/lib/redmine/vendor/bundle/ruby/2.5.0/gems/activesupport-5.2.4.2/lib/active_support/dependencies.rb:291:in `block in require' /var/lib/redmine/vendor/bundle/ruby/2.5.0/gems/activesupport-5.2.4.2/lib/active_support/dependencies.rb:257:in `load_dependency' /var/lib/redmine/vendor/bundle/ruby/2.5.0/gems/activesupport-5.2.4.2/lib/active_support/dependencies.rb:291:in `require' /var/lib/redmine/config/initializers/30-redmine.rb:6:in `' /var/lib/redmine/vendor/bundle/ruby/2.5.0/gems/activesupport-5.2.4.2/lib/active_support/dependencies.rb:285:in `load' /var/lib/redmine/vendor/bundle/ruby/2.5.0/gems/activesupport-5.2.4.2/lib/active_support/dependencies.rb:285:in `block in load' /var/lib/redmine/vendor/bundle/ruby/2.5.0/gems/activesupport-5.2.4.2/lib/active_support/dependencies.rb:257:in `load_dependency' /var/lib/redmine/vendor/bundle/ruby/2.5.0/gems/activesupport-5.2.4.2/lib/active_support/dependencies.rb:285:in `load' /var/lib/redmine/vendor/bundle/ruby/2.5.0/gems/railties-5.2.4.2/lib/rails/engine.rb:663:in `block in load_config_initializer' /var/lib/redmine/vendor/bundle/ruby/2.5.0/gems/activesupport-5.2.4.2/lib/active_support/notifications.rb:170:in `instrument' /var/lib/redmine/vendor/bundle/ruby/2.5.0/gems/railties-5.2.4.2/lib/rails/engine.rb:662:in `load_config_initializer' /var/lib/redmine/vendor/bundle/ruby/2.5.0/gems/railties-5.2.4.2/lib/rails/engine.rb:620:in `block (2 levels) in ' /var/lib/redmine/vendor/bundle/ruby/2.5.0/gems/railties-5.2.4.2/lib/rails/engine.rb:619:in `each' /var/lib/redmine/vendor/bundle/ruby/2.5.0/gems/railties-5.2.4.2/lib/rails/engine.rb:619:in `block in ' /var/lib/redmine/vendor/bundle/ruby/2.5.0/gems/railties-5.2.4.2/lib/rails/initializable.rb:32:in `instance_exec' /var/lib/redmine/vendor/bundle/ruby/2.5.0/gems/railties-5.2.4.2/lib/rails/initializable.rb:32:in `run' /var/lib/redmine/vendor/bundle/ruby/2.5.0/gems/railties-5.2.4.2/lib/rails/initializable.rb:61:in `block in run_initializers' /usr/local/lib/ruby/2.5.0/tsort.rb:228:in `block in tsort_each' /usr/local/lib/ruby/2.5.0/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component' /usr/local/lib/ruby/2.5.0/tsort.rb:422:in `block (2 levels) in each_strongly_connected_component_from' /usr/local/lib/ruby/2.5.0/tsort.rb:431:in `each_strongly_connected_component_from' /usr/local/lib/ruby/2.5.0/tsort.rb:421:in `block in each_strongly_connected_component_from' /var/lib/redmine/vendor/bundle/ruby/2.5.0/gems/railties-5.2.4.2/lib/rails/initializable.rb:50:in `each' /var/lib/redmine/vendor/bundle/ruby/2.5.0/gems/railties-5.2.4.2/lib/rails/initializable.rb:50:in `tsort_each_child' /usr/local/lib/ruby/2.5.0/tsort.rb:415:in `call' /usr/local/lib/ruby/2.5.0/tsort.rb:415:in `each_strongly_connected_component_from' /usr/local/lib/ruby/2.5.0/tsort.rb:349:in `block in each_strongly_connected_component' /usr/local/lib/ruby/2.5.0/tsort.rb:347:in `each' /usr/local/lib/ruby/2.5.0/tsort.rb:347:in `call' /usr/local/lib/ruby/2.5.0/tsort.rb:347:in `each_strongly_connected_component' /usr/local/lib/ruby/2.5.0/tsort.rb:226:in `tsort_each' /usr/local/lib/ruby/2.5.0/tsort.rb:205:in `tsort_each' /var/lib/redmine/vendor/bundle/ruby/2.5.0/gems/railties-5.2.4.2/lib/rails/initializable.rb:60:in `run_initializers' /var/lib/redmine/vendor/bundle/ruby/2.5.0/gems/railties-5.2.4.2/lib/rails/application.rb:361:in `initialize!' /var/lib/redmine/config/environment.rb:14:in `' config.ru:3:in `require' config.ru:3:in `block in

' /var/lib/redmine/vendor/bundle/ruby/2.5.0/gems/rack-2.2.3/lib/rack/builder.rb:125:in `instance_eval' /var/lib/redmine/vendor/bundle/ruby/2.5.0/gems/rack-2.2.3/lib/rack/builder.rb:125:in `initialize' config.ru:1:in `new' config.ru:1:in `

' /usr/local/lib/ruby/gems/2.5.0/gems/passenger-5.1.12/src/helper-scripts/rack-preloader.rb:110:in `eval' /usr/local/lib/ruby/gems/2.5.0/gems/passenger-5.1.12/src/helper-scripts/rack-preloader.rb:110:in `preload_app' /usr/local/lib/ruby/gems/2.5.0/gems/passenger-5.1.12/src/helper-scripts/rack-preloader.rb:156:in `' /usr/local/lib/ruby/gems/2.5.0/gems/passenger-5.1.12/src/helper-scripts/rack-preloader.rb:30:in `' /usr/local/lib/ruby/gems/2.5.0/gems/passenger-5.1.12/src/helper-scripts/rack-preloader.rb:29:in `

' ``` ### 試したこと以下のサイトの丸コピです。 Proxy環境ぐらいの違いしかありません。 http://ishibashi.blog.jp/archives/4168469.html ### 補足情報（FW/ツールのバージョンなど） Firewalld disable

	@@ -1 +1 @@
1	- Redmine~~4.1~~のエラー
1	+ redmineの初期ページが表示できない

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