Question

在ubuntu服务器上，安装了所有东西（检查另一台PC工作正常）当试图在我的一个jruby项目上运行warble时，我收到此错误：

Function 'xmlFirstElementChild' not found in [libexslt.so]
/opt/jruby-1.5.0/lib/ruby/site_ruby/shared/ffi/ffi.rb:112:in `create_invoker'
/opt/jruby-1.5.0/lib/ruby/site_ruby/shared/ffi/library.rb:98:in `attach_function'
/opt/jruby-1.5.0/lib/ruby/site_ruby/shared/ffi/library.rb:96:in `each'
/opt/jruby-1.5.0/lib/ruby/site_ruby/shared/ffi/library.rb:96:in `attach_function'
/opt/jruby-1.5.0/lib/ruby/gems/1.8/gems/nokogiri-1.4.2-java/lib/nokogiri/ffi/libxml.rb:116
/opt/jruby-1.5.0/lib/ruby/gems/1.8/gems/nokogiri-1.4.2-java/lib/nokogiri/ffi/libxml.rb:31:in `require'
/opt/jruby-1.5.0/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
/opt/jruby-1.5.0/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:156:in `require'
/opt/jruby-1.5.0/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:521:in `new_constants_in'
/opt/jruby-1.5.0/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:156:in `require' 
/opt/jruby-1.5.0/lib/ruby/gems/1.8/gems/nokogiri-1.4.2-java/lib/nokogiri.rb:11
/opt/jruby-1.5.0/lib/ruby/gems/1.8/gems/nokogiri-1.4.2-java/lib/nokogiri.rb:36:in `require'/
/opt/jruby-1.5.0/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `require'
/opt/jruby-1.5.0/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:156:in `require'
/opt/jruby-1.5.0/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:521:in `new_constants_in'
/opt/jruby-1.5.0/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:156:in `require'
[...]

所有图书馆和所需的宝石似乎都在那里。谷歌没有帮助，奇怪的是，在其他电脑上，这种方法很好......

Danilo的

Answer 1

您使用的是哪个版本的libxml2？

我在与libxml-2.6.x一起提供的OSX（leopard）上遇到了同样的问题。我安装了libxml-2.7.3，错误就消失了。更多信息：http://wikihub.berkeley.edu/x/zgXNAQ

Jruby和ffi：在[libexslt.so]中找不到函数'xmlFirstElementChild'

1 个答案: