環境はcloud9です。
昨日まで問題なく起動できていたのですが、gemファイルなどをいじった影響なのか、起動できなくなりました。
$ rails s
を試すと下記の表示となります。
bundle install、bundle update済みです。
/usr/local/rvm/gems/ruby-2.4.1/gems/railties-5.1.6/lib/rails/application/configuration.rb:81:in load_defaults': Unknown version "5.2" (RuntimeError) from /home/ec2-user/environment/game_review/config/application.rb:12:in
class:Application'
from /home/ec2-user/environment/game_review/config/application.rb:10:in <module:GameReview>' from /home/ec2-user/environment/game_review/config/application.rb:9:in
<top (required)>'
from /usr/local/rvm/gems/ruby-2.4.1/gems/railties-5.1.6/lib/rails/commands/server/server_command.rb:133:in require' from /usr/local/rvm/gems/ruby-2.4.1/gems/railties-5.1.6/lib/rails/commands/server/server_command.rb:133:in
block in perform'
from /usr/local/rvm/gems/ruby-2.4.1/gems/railties-5.1.6/lib/rails/commands/server/server_command.rb:130:in tap' from /usr/local/rvm/gems/ruby-2.4.1/gems/railties-5.1.6/lib/rails/commands/server/server_command.rb:130:in
perform'
from /usr/local/rvm/gems/ruby-2.4.1@global/gems/thor-0.20.0/lib/thor/command.rb:27:in run' from /usr/local/rvm/gems/ruby-2.4.1@global/gems/thor-0.20.0/lib/thor/invocation.rb:126:in
invoke_command'
from /usr/local/rvm/gems/ruby-2.4.1@global/gems/thor-0.20.0/lib/thor.rb:387:in dispatch' from /usr/local/rvm/gems/ruby-2.4.1/gems/railties-5.1.6/lib/rails/command/base.rb:63:in
perform'
from /usr/local/rvm/gems/ruby-2.4.1/gems/railties-5.1.6/lib/rails/command.rb:44:in invoke' from /usr/local/rvm/gems/ruby-2.4.1/gems/railties-5.1.6/lib/rails/commands.rb:16:in
<top (required)>'
from /home/ec2-user/environment/game_review/bin/rails:9:in require' from /home/ec2-user/environment/game_review/bin/rails:9:in
<top (required)>'
from /usr/local/rvm/gems/ruby-2.4.1/gems/spring-2.0.2/lib/spring/client/rails.rb:28:in load' from /usr/local/rvm/gems/ruby-2.4.1/gems/spring-2.0.2/lib/spring/client/rails.rb:28:in
call'
from /usr/local/rvm/gems/ruby-2.4.1/gems/spring-2.0.2/lib/spring/client/command.rb:7:in call' from /usr/local/rvm/gems/ruby-2.4.1/gems/spring-2.0.2/lib/spring/client.rb:30:in
run'
from /usr/local/rvm/gems/ruby-2.4.1/gems/spring-2.0.2/bin/spring:49:in <top (required)>' from /usr/local/rvm/gems/ruby-2.4.1/gems/spring-2.0.2/lib/spring/binstub.rb:31:in
load'
from /usr/local/rvm/gems/ruby-2.4.1/gems/spring-2.0.2/lib/spring/binstub.rb:31:in <top (required)>' from /home/ec2-user/environment/game_review/bin/spring:15:in
require'
from /home/ec2-user/environment/game_review/bin/spring:15:in <top (required)>' from bin/rails:3:in
load'
from bin/rails:3:in `<main>'
また、Gemfileの中身は下記のようになります。(railsチュートリアル参考) source 'https://rubygems.org' gem 'rails', '5.1.6' gem 'puma', '3.9.1' gem 'sass-rails', '5.0.6' gem 'uglifier', '3.2.0' gem 'coffee-rails', '4.2.2' gem 'jquery-rails', '4.3.1' gem 'turbolinks', '5.0.1' gem 'jbuilder', '2.7.0' group :development, :test do gem 'sqlite3', '1.3.13' gem 'byebug', '9.0.6', platform: :mri end group :development do gem 'web-console', '3.5.1' gem 'listen', '3.1.5' gem 'spring', '2.0.2' gem 'spring-watcher-listen', '2.0.1' end group :test do gem 'rails-controller-testing', '1.0.2' gem 'minitest', '5.10.3' gem 'minitest-reporters', '1.1.14' gem 'guard', '2.13.0' gem 'guard-minitest', '2.4.4' end group :production do gem 'pg', '0.20.0' end # Windows環境ではtzinfo-dataというgemを含める必要があります gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby] ------------------- 11/10追記 config/application.rbにconfig.load_defaults 5.1 と記述することで起動が可能となりましたが、下記のエラーが発生します。 ![イメージ説明](39838233322937da0e7e453e7569a8cd.png)
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2018/11/10 01:29