运行 heroku create --stack cedar 时无法加载此类文件 -- readline (LoadError) [英] cannot load such file -- readline (LoadError) when running heroku create --stack cedar
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问题描述
我正在尝试将我的 Rails 应用程序部署到 Heroku 以按照以下说明进行测试:
I'm trying to deploy my Rails application to Heroku to test it out by following these instructions:
http://devcenter.heroku.com/articles/rails3#prerequisites
这是我要运行的命令:
heroku create --stack cedar
我收到此错误消息:
/home/sergio/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require': cannot load such file -- readline (LoadError)
from /home/sergio/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /home/sergio/.rvm/gems/ruby-1.9.3-p125/gems/heroku-2.20.1/lib/heroku/command/run.rb:1:in `<top (required)>'
from /home/sergio/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /home/sergio/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /home/sergio/.rvm/gems/ruby-1.9.3-p125/gems/heroku-2.20.1/lib/heroku/command.rb:14:in `block in load'
from /home/sergio/.rvm/gems/ruby-1.9.3-p125/gems/heroku-2.20.1/lib/heroku/command.rb:13:in `each'
from /home/sergio/.rvm/gems/ruby-1.9.3-p125/gems/heroku-2.20.1/lib/heroku/command.rb:13:in `load'
from /home/sergio/.rvm/gems/ruby-1.9.3-p125/gems/heroku-2.20.1/lib/heroku/cli.rb:8:in `start'
from /home/sergio/.rvm/gems/ruby-1.9.3-p125/gems/heroku-2.20.1/bin/heroku:15:in `<top (required)>'
from /home/sergio/.rvm/gems/ruby-1.9.3-p125/bin/heroku:19:in `load'
from /home/sergio/.rvm/gems/ruby-1.9.3-p125/bin/heroku:19:in `<main>'
这是有问题的文件的内容:
And this is the content of the file in question:
#--
# Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others.
# All rights reserved.
# See LICENSE.txt for permissions.
#++
module Kernel
if defined?(gem_original_require) then
# Ruby ships with a custom_require, override its require
remove_method :require
else
##
# The Kernel#require from before RubyGems was loaded.
alias gem_original_require require
private :gem_original_require
end
##
# When RubyGems is required, Kernel#require is replaced with our own which
# is capable of loading gems on demand.
#
# When you call <tt>require 'x'</tt>, this is what happens:
# * If the file can be loaded from the existing Ruby loadpath, it
# is.
# * Otherwise, installed gems are searched for a file that matches.
# If it's found in gem 'y', that gem is activated (added to the
# loadpath).
#
# The normal <tt>require</tt> functionality of returning false if
# that file has already been loaded is preserved.
def require path
if Gem.unresolved_deps.empty? then
gem_original_require path
else
spec = Gem::Specification.find { |s|
s.activated? and s.contains_requirable_file? path
}
unless spec then
found_specs = Gem::Specification.find_in_unresolved path
unless found_specs.empty? then
found_specs = [found_specs.last]
else
found_specs = Gem::Specification.find_in_unresolved_tree path
end
found_specs.each do |found_spec|
found_spec.activate
end
end
return gem_original_require path
end
rescue LoadError => load_error
if load_error.message.end_with?(path) and Gem.try_activate(path) then
return gem_original_require(path)
end
raise load_error
end
private :require
end
我可以使用 rails -s
在本地运行我的应用程序,但我似乎无法将它发布到 Heroku.
I can run my application locally using rails -s
, but I just can't seem to publish it to Heroku.
推荐答案
iltempo 和 buru 的回答对我有帮助:
iltempo and buru's answers helped me:
sudo apt-get install libreadline-dev
rvm remove 1.9.3
rvm install 1.9.3
Then add to your Gemfile:
gem 'rb-readline'
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