在rails 5应用程序内的终端中使用命令
rails c
抛出的错误如下所示。我不知道这在类似的问题中意味着什么,解决方案是使用弹簧停止。我也试过了,但没有它仍然给出同样的错误。如果有人能指出这里的错误,那将会很棒。
Running via Spring preloader in process 6457
/Users/AmanChawla/.rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `require': dlopen(/Users/AmanChawla/.rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/x86_64-darwin15/readline.bundle, 9): Library not loaded: /usr/local/opt/readline/lib/libreadline.6.dylib (LoadError)
Referenced from: /Users/AmanChawla/.rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/x86_64-darwin15/readline.bundle
Reason: image not found - /Users/AmanChawla/.rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/x86_64-darwin15/readline.bundle
from /Users/AmanChawla/.rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `block in require'
from /Users/AmanChawla/.rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:259:in `load_dependency'
from /Users/AmanChawla/.rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `require'
from /Users/AmanChawla/.rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/irb/completion.rb:10:in `<top (required)>'
from /Users/AmanChawla/.rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `require'
from /Users/AmanChawla/.rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `block in require'
from /Users/AmanChawla/.rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:259:in `load_dependency'
from /Users/AmanChawla/.rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `require'
from /Users/AmanChawla/.rvm/gems/ruby-2.3.0/gems/railties-5.0.0.1/lib/rails/commands/console.rb:3:in `<top (required)>'
from /Users/AmanChawla/.rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `require'
from /Users/AmanChawla/.rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `block in require'
from /Users/AmanChawla/.rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:259:in `load_dependency'
from /Users/AmanChawla/.rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `require'
from /Users/AmanChawla/.rvm/gems/ruby-2.3.0/gems/railties-5.0.0.1/lib/rails/commands/commands_tasks.rb:138:in `require_command!'
from /Users/AmanChawla/.rvm/gems/ruby-2.3.0/gems/railties-5.0.0.1/lib/rails/commands/commands_tasks.rb:68:in `console'
from /Users/AmanChawla/.rvm/gems/ruby-2.3.0/gems/railties-5.0.0.1/lib/rails/commands/commands_tasks.rb:49:in `run_command!'
from /Users/AmanChawla/.rvm/gems/ruby-2.3.0/gems/railties-5.0.0.1/lib/rails/commands.rb:18:in `<top (required)>'
from /Users/AmanChawla/.rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `require'
from /Users/AmanChawla/.rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `block in require'
from /Users/AmanChawla/.rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:259:in `load_dependency'
from /Users/AmanChawla/.rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `require'
from /Users/AmanChawla/Desktop/NewApp/bin/rails:9:in `<top (required)>'
from /Users/AmanChawla/.rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:287:in `load'
from /Users/AmanChawla/.rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:287:in `block in load'
from /Users/AmanChawla/.rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:259:in `load_dependency'
from /Users/AmanChawla/.rvm/gems/ruby-2.3.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:287:in `load'
from /Users/AmanChawla/.rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from /Users/AmanChawla/.rvm/rubies/ruby-2.3.0/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from -e:1:in `<main>'
当我更新HomeBrew时,我最近遇到了这个问题,我也使用rails 5并找到了这个解决方案,它对我有用:
ln -s /usr/local/opt/readline/lib/libreadline.7.0.dylib /usr/local/opt/readline/lib/libreadline.6.dylib
资料来源:https://gist.github.com/mcshakes/c87e8adda174c73be354094800b9756d
UPDATE
对于readline 8和更新版本,请按照@Cody Elhard给出的答案
作为一般方法,如果由于使用自制软件更新readline而发生此错误
通过阅读brew install readline
的输出可以找到新版本
我的输出:readline 8.0.0 is already installed and up-to-date
可以通过加载错误找到旧版本
我的错误(注意7):Library not loaded: /usr/local/opt/readline/lib/libreadline.7.dylib (LoadError)
ln -s new_version/path/to/readline original_version/path/to/readline
就我而言,我的命令是
ln -s /usr/local/opt/readline/lib/libreadline.8.0.dylib /usr/local/opt/readline/lib/libreadline.7.dylib
我通过简单地添加这个gem gem 'rb-readline'
并运行bundle修复了这个问题。
这是对这个问题的标准修复尝试这个..它应该让你去
brew rm -f readline
brew install readline
brew link readline --force
另一个问题可能是你的路径中有哪个版本的ruby - 仔细检查一下。
ruby -v
ls -la `which ruby`
然后检查你的PATH