当我的 rails 应用程序出现问题时，rbenv 会在 shell 中给出长错误报告
rbenv gives me to long error report in shell when something happens with my rails app
当我的 rails 应用程序在开发中出现问题时，rbenv 会在 shell 中给出很长的错误报告。我不需要这个。我怎样才能禁用它？
示例：
Exiting
/home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activerecord-4.2.5/lib/active_record/connection_adapters
/connection_specification.rb:177:in `rescue in spec': Specified 'postgresql' for database adapter, but the gem is not loaded. Add `gem 'pg'` to your Gemfile (and ensure its version is at the minimum required by ActiveRecord). (Gem::LoadError)
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activerecord-4.2.5/lib/active_record/connection_adapters/connection_specification.rb:174:in `spec'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activerecord-4.2.5/lib/active_record/connection_handling.rb:50:in `establish_connection'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activerecord-4.2.5/lib/active_record/railtie.rb:120:in `block (2 levels) in <class:Railtie>'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-4.2.5/lib/active_support/lazy_load_hooks.rb:38:in `instance_eval'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-4.2.5/lib/active_support/lazy_load_hooks.rb:38:in `execute_hook'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-4.2.5/lib/active_support/lazy_load_hooks.rb:28:in `block in on_load'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-4.2.5/lib/active_support/lazy_load_hooks.rb:27:in `each'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-4.2.5/lib/active_support/lazy_load_hooks.rb:27:in `on_load'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activerecord-4.2.5/lib/active_record/railtie.rb:116:in `block in <class:Railtie>'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/initializable.rb:30:in `instance_exec'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/initializable.rb:30:in `run'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/initializable.rb:55:in `block in run_initializers'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/2.3.0/tsort.rb:228:in `block in tsort_each'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/2.3.0/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/2.3.0/tsort.rb:431:in `each_strongly_connected_component_from'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/2.3.0/tsort.rb:349:in `block in each_strongly_connected_component'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/2.3.0/tsort.rb:347:in `each'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/2.3.0/tsort.rb:347:in `call'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/2.3.0/tsort.rb:347:in `each_strongly_connected_component'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/2.3.0/tsort.rb:226:in `tsort_each'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/2.3.0/tsort.rb:205:in `tsort_each'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/initializable.rb:54:in `run_initializers'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/application.rb:352:in `initialize!'
from /home/kirill/Projects/kirill-zhuravlov-blog/config/environment.rb:5:in `<top (required)>'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-4.2.5/lib/active_support/dependencies.rb:274:in `require'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-4.2.5/lib/active_support/dependencies.rb:274:in `block in require'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-4.2.5/lib/active_support/dependencies.rb:240:in `load_dependency'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-4.2.5/lib/active_support/dependencies.rb:274:in `require'
from /home/kirill/Projects/kirill-zhuravlov-blog/config.ru:3:in `block in <main>'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rack-1.6.4/lib/rack/builder.rb:55:in `instance_eval'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rack-1.6.4/lib/rack/builder.rb:55:in `initialize'
from /home/kirill/Projects/kirill-zhuravlov-blog/config.ru:in `new'
from /home/kirill/Projects/kirill-zhuravlov-blog/config.ru:in `<main>'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rack-1.6.4/lib/rack/builder.rb:49:in `eval'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rack-1.6.4/lib/rack/builder.rb:49:in `new_from_string'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rack-1.6.4/lib/rack/builder.rb:40:in `parse_file'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rack-1.6.4/lib/rack/server.rb:299:in `build_app_and_options_from_config'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rack-1.6.4/lib/rack/server.rb:208:in `app'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands/server.rb:61:in `app'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rack-1.6.4/lib/rack/server.rb:336:in `wrapped_app'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands/server.rb:139:in `log_to_stdout'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands/server.rb:78:in `start'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:80:in `block in server'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:75:in `tap'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:75:in `server'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:39:in `run_command!'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands.rb:17:in `<top (required)>'
from bin/rails:4:in `require'
from bin/rails:4:in `<main>'
但实际问题只是我在gem文件中注释的“#gem 'pg'”。我正在使用最新的 LTS Ubuntu、ruby 2.3 和 rails 4.2
我找到了这个问题的解决方案。我在终端
中打开bashrc(shell启动配置文件)
nano ~/.bashrc
并剪切
export PATH="$HOME/.rbenv/plugins/ruby-build/bin:$PATH"
export PATH="$HOME/.rbenv/bin:$PATH"
然后我保存更改并退出（ctrl+O 输入 ctrl+X）。
长输出消失了。
rbenv 会在 shell 中给出很长的错误报告。我不需要这个。我怎样才能禁用它？
示例：
Exiting
/home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activerecord-4.2.5/lib/active_record/connection_adapters
/connection_specification.rb:177:in `rescue in spec': Specified 'postgresql' for database adapter, but the gem is not loaded. Add `gem 'pg'` to your Gemfile (and ensure its version is at the minimum required by ActiveRecord). (Gem::LoadError)
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activerecord-4.2.5/lib/active_record/connection_adapters/connection_specification.rb:174:in `spec'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activerecord-4.2.5/lib/active_record/connection_handling.rb:50:in `establish_connection'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activerecord-4.2.5/lib/active_record/railtie.rb:120:in `block (2 levels) in <class:Railtie>'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-4.2.5/lib/active_support/lazy_load_hooks.rb:38:in `instance_eval'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-4.2.5/lib/active_support/lazy_load_hooks.rb:38:in `execute_hook'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-4.2.5/lib/active_support/lazy_load_hooks.rb:28:in `block in on_load'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-4.2.5/lib/active_support/lazy_load_hooks.rb:27:in `each'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-4.2.5/lib/active_support/lazy_load_hooks.rb:27:in `on_load'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activerecord-4.2.5/lib/active_record/railtie.rb:116:in `block in <class:Railtie>'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/initializable.rb:30:in `instance_exec'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/initializable.rb:30:in `run'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/initializable.rb:55:in `block in run_initializers'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/2.3.0/tsort.rb:228:in `block in tsort_each'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/2.3.0/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/2.3.0/tsort.rb:431:in `each_strongly_connected_component_from'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/2.3.0/tsort.rb:349:in `block in each_strongly_connected_component'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/2.3.0/tsort.rb:347:in `each'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/2.3.0/tsort.rb:347:in `call'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/2.3.0/tsort.rb:347:in `each_strongly_connected_component'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/2.3.0/tsort.rb:226:in `tsort_each'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/2.3.0/tsort.rb:205:in `tsort_each'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/initializable.rb:54:in `run_initializers'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/application.rb:352:in `initialize!'
from /home/kirill/Projects/kirill-zhuravlov-blog/config/environment.rb:5:in `<top (required)>'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-4.2.5/lib/active_support/dependencies.rb:274:in `require'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-4.2.5/lib/active_support/dependencies.rb:274:in `block in require'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-4.2.5/lib/active_support/dependencies.rb:240:in `load_dependency'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-4.2.5/lib/active_support/dependencies.rb:274:in `require'
from /home/kirill/Projects/kirill-zhuravlov-blog/config.ru:3:in `block in <main>'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rack-1.6.4/lib/rack/builder.rb:55:in `instance_eval'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rack-1.6.4/lib/rack/builder.rb:55:in `initialize'
from /home/kirill/Projects/kirill-zhuravlov-blog/config.ru:in `new'
from /home/kirill/Projects/kirill-zhuravlov-blog/config.ru:in `<main>'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rack-1.6.4/lib/rack/builder.rb:49:in `eval'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rack-1.6.4/lib/rack/builder.rb:49:in `new_from_string'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rack-1.6.4/lib/rack/builder.rb:40:in `parse_file'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rack-1.6.4/lib/rack/server.rb:299:in `build_app_and_options_from_config'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rack-1.6.4/lib/rack/server.rb:208:in `app'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands/server.rb:61:in `app'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rack-1.6.4/lib/rack/server.rb:336:in `wrapped_app'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands/server.rb:139:in `log_to_stdout'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands/server.rb:78:in `start'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:80:in `block in server'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:75:in `tap'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:75:in `server'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:39:in `run_command!'
from /home/kirill/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands.rb:17:in `<top (required)>'
from bin/rails:4:in `require'
from bin/rails:4:in `<main>'
但实际问题只是我在gem文件中注释的“#gem 'pg'”。我正在使用最新的 LTS Ubuntu、ruby 2.3 和 rails 4.2
我找到了这个问题的解决方案。我在终端
中打开bashrc(shell启动配置文件)nano ~/.bashrc
并剪切
export PATH="$HOME/.rbenv/plugins/ruby-build/bin:$PATH"
export PATH="$HOME/.rbenv/bin:$PATH"
然后我保存更改并退出（ctrl+O 输入 ctrl+X）。 长输出消失了。