当我在Lion OS X上运行应用程序时,我收到此错误:
Unable to load the EventMachine C extension; To use the pure-ruby reactor, require 'em/pure_ruby'
/Users/adam/.rvm/gems/ruby-1.9.2-p290/gems/eventmachine-1.0.0/lib/eventmachine.rb:8:in `require': no such file to load -- rubyeventmachine (LoadError)
from /Users/adam/.rvm/gems/ruby-1.9.2-p290/gems/eventmachine-1.0.0/lib/eventmachine.rb:8:in `<top (required)>'
from /Users/adam/.rvm/gems/ruby-1.9.2-p290@global/gems/bundler-1.0.21/lib/bundler/runtime.rb:68:in `require'
from /Users/adam/.rvm/gems/ruby-1.9.2-p290@global/gems/bundler-1.0.21/lib/bundler/runtime.rb:68:in `block (2 levels) in require'
from /Users/adam/.rvm/gems/ruby-1.9.2-p290@global/gems/bundler-1.0.21/lib/bundler/runtime.rb:66:in `each'
from /Users/adam/.rvm/gems/ruby-1.9.2-p290@global/gems/bundler-1.0.21/lib/bundler/runtime.rb:66:in `block in require'
from /Users/adam/.rvm/gems/ruby-1.9.2-p290@global/gems/bundler-1.0.21/lib/bundler/runtime.rb:55:in `each'
from /Users/adam/.rvm/gems/ruby-1.9.2-p290@global/gems/bundler-1.0.21/lib/bundler/runtime.rb:55:in `require'
from /Users/adam/.rvm/gems/ruby-1.9.2-p290@global/gems/bundler-1.0.21/lib/bundler.rb:122:in `require'
from /Users/adam/rubydev/future_computers/config/application.rb:7:in `<top (required)>'
from /Users/adam/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.2.1/lib/rails/commands.rb:53:in `require'
from /Users/adam/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.2.1/lib/rails/commands.rb:53:in `block in <top (required)>'
from /Users/adam/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.2.1/lib/rails/commands.rb:50:in `tap'
from /Users/adam/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.2.1/lib/rails/commands.rb:50:in `<top (required)>'
from script/rails:6:in `require'
from script/rails:6:in `<main>'adam
我真的不知道如何解决这个问题,我已将eventmachine
gem添加到Gemfile中,但它没有帮助......
请帮助我,请问如何解决?
谢谢
答案 0 :(得分:18)
在我的情况下,这修复了它:
我正在阅读https://github.com/eventmachine/eventmachine/issues/333。事件机器存在问题,因此确保我获得最新版本似乎是一个好主意。
答案 1 :(得分:9)
对我来说,从tweaked config的来源编译eventmachine有帮助。尝试:
卸载eventmachine(如果已安装):
gem uninstall eventmachine
获取eventmachine来源:
git clone https://github.com/eventmachine/eventmachine.git
cd eventmachine
在ext/extconf.rb
ext/fastfilereader/extconf.rb
来修改CONFIG['CXX'] = "g++"
和require 'mkmf'
个文件
编译并安装gem:
rake gem
gem install pkg/eventmachine-1.0.3.gem
现在eventmachine应该可以正常工作:)
答案 2 :(得分:2)
消息所说的最简单的修复只是require 'em/pure_ruby'
。我想你可以把它放在 config / inlitializers 文件夹中,你可以调用文件 event_machine.rb
但它的性能与C扩展名不同。
答案 3 :(得分:0)
提供另一种解决方案,因为我浪费时间来追踪这个问题。我正在做bundle install --deployment
,然后将结果提交到git中的一个单独的分支,这样我就可以直接将这个分支部署到服务器而无需再次执行bundle install
。
问题是eventmachine中有一个.gitignore
文件告诉git忽略所有*.so
个文件。因此,当我提交时,.so
文件没有提交,并且不会在git status
中显示为未跟踪。此外,由于gemspec存在,bundle认为包已完全安装。
我的解决方案是在构建过程中添加一个命令,以便在提交之前查看gems中的所有.gitignore
个文件。
答案 4 :(得分:0)
您可能会在安装gem时遇到各种错误,或者尝试找到因ruby-devel未安装而导致ruby应用程序安装失败的解决方案。
我刚安装在我的Kali linux上
sudo apt-get install ruby-dev
一切都解决了。我试图安装bettercap。