Rails Typhoeus Curl故障

Question

我对这个错误感到困惑，因为类似的错误指的是从源代码编译libcurl的实例；然而，我只是想让以前的rails项目在我的Ubuntu 12.04上运行。

Exception Trace from Running Rails Application Server


/var/lib/gems/1.9.1/gems/ffi-1.1.1/lib/ffi/library.rb:121:in `block in ffi_lib': Could not open library 'libcurl': libcurl: cannot open shared object file: No such file or directory. (LoadError)
Could not open library 'libcurl.so': libcurl.so: cannot open shared object file: No such file or directory
    from /var/lib/gems/1.9.1/gems/ffi-1.1.1/lib/ffi/library.rb:88:in `map'
    from /var/lib/gems/1.9.1/gems/ffi-1.1.1/lib/ffi/library.rb:88:in `ffi_lib'
    from /var/lib/gems/1.9.1/gems/typhoeus-0.4.2/lib/typhoeus/curl.rb:405:in `<module:Curl>'
    from /var/lib/gems/1.9.1/gems/typhoeus-0.4.2/lib/typhoeus/curl.rb:6:in `<module:Typhoeus>'
    from /var/lib/gems/1.9.1/gems/typhoeus-0.4.2/lib/typhoeus/curl.rb:5:in `<top (required)>'
    from /var/lib/gems/1.9.1/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:240:in `require'
    from /var/lib/gems/1.9.1/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:240:in `block in require'
    from /var/lib/gems/1.9.1/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:223:in `block in load_dependency'
    from /var/lib/gems/1.9.1/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:640:in `new_constants_in'
    from /var/lib/gems/1.9.1/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:223:in `load_dependency'
    from /var/lib/gems/1.9.1/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:240:in `require'
    from /var/lib/gems/1.9.1/gems/typhoeus-0.4.2/lib/typhoeus.rb:5:in `<top (required)>'
    from /var/lib/gems/1.9.1/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:240:in `require'
    from /var/lib/gems/1.9.1/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:240:in `block in require'
    from /var/lib/gems/1.9.1/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:223:in `block in load_dependency'
    from /var/lib/gems/1.9.1/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:640:in `new_constants_in'
    from /var/lib/gems/1.9.1/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:223:in `load_dependency'
    from /var/lib/gems/1.9.1/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:240:in `require'
    from /var/lib/gems/1.9.1/gems/panda-1.5.0/lib/panda/adapters/faraday.rb:2:in `<top (required)>'
    from /var/lib/gems/1.9.1/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:240:in `require'
    from /var/lib/gems/1.9.1/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:240:in `block in require'
    from /var/lib/gems/1.9.1/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:223:in `block in load_dependency'
    from /var/lib/gems/1.9.1/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:640:in `new_constants_in'
    from /var/lib/gems/1.9.1/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:223:in `load_dependency'
    from /var/lib/gems/1.9.1/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:240:in `require'
    from /var/lib/gems/1.9.1/gems/panda-1.5.0/lib/panda.rb:19:in `<top (required)>'
    from /var/lib/gems/1.9.1/gems/bundler-1.2.1/lib/bundler/runtime.rb:68:in `require'
    from /var/lib/gems/1.9.1/gems/bundler-1.2.1/lib/bundler/runtime.rb:68:in `block (2 levels) in require'
    from /var/lib/gems/1.9.1/gems/bundler-1.2.1/lib/bundler/runtime.rb:66:in `each'
    from /var/lib/gems/1.9.1/gems/bundler-1.2.1/lib/bundler/runtime.rb:66:in `block in require'
    from /var/lib/gems/1.9.1/gems/bundler-1.2.1/lib/bundler/runtime.rb:55:in `each'
    from /var/lib/gems/1.9.1/gems/bundler-1.2.1/lib/bundler/runtime.rb:55:in `require'
    from /var/lib/gems/1.9.1/gems/bundler-1.2.1/lib/bundler.rb:128:in `require'

任何帮助或评论都是非常感谢的。

Answer 1

是否正确安装了libcurl？Typhoeus没有本机扩展，但它需要libcurl动态库(.so)，因为它可以与FFI library一起工作

# from lib/typhoeus/curl.rb
ffi_lib 'libcurl'

我想说的是，开发文件(头文件)是不需要的，所以sudo apt-get install libcurl3应该可以做到这一点(否则，通过sudo apt-get install libcurl4-openssl-dev安装带有SSL支持的devel版本)。

Answer 2

sudo apt-get install libcurl4-openssl-dev适合我。

Answer 3

我试着将libcurl-devel 7.57.0-1添加到msys2中(在Windows上)，但是没有帮助。(pacman -Ss libcurl将其显示为已安装：

msys/libcurl 7.57.0-1 (libraries) [installed]
Multi-protocol file transfer library (runtime)
msys/libcurl-devel 7.57.0-1 (development) [installed]
Libcurl headers and libraries

因此，对于任何在Windows上有相同问题的人来说，绕过LoadError: Could not open library 'libcurl'的一个简单方法是：

• 从这里找到的包https://curl.haxx.se/gknw.net/7.40.0/dist-w64/中获取一个libcurl.dll，并将其放到路径中。

(我只是把它放在\ruby24\bin\)下面

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