警告:Nokogiri 是针对 LibXML 版本 2.7.7 构建的，但已动态加载 2.6.16 [英] WARNING: Nokogiri was built against LibXML version 2.7.7, but has dynamically loaded 2.6.16

问题描述

我不明白为什么我在启动 Rails 时会从 Nokogiri 收到这个错误.据我所知，似乎是其他原因导致加载旧版本的 libxml2，然后 Nokogiri 最终使用该版本，而不是编译时针对的版本.

I can’t work out why I’m getting this error from Nokogiri when I start up Rails. From the little I know, it seems like something else is causing an older version of libxml2 to be loaded, which Nokogiri then ends up using, rather than the version it was compiled against.

我需要做什么才能在没有警告的情况下(并使用正确的 libxml2)使其正常工作?

What do I need to do to get this working without the warning (and with the right libxml2)?

我在装有 OS X 10.5.8 的 Macbook 上运行:

I’m running this on a Macbook with OS X 10.5.8:

$ rake db:create
(in /Users/gareth/Sites/Rails3/ngtest)
WARNING: Nokogiri was built against LibXML version 2.7.7, but has dynamically loaded 2.6.16
HI.  You're using libxml2 version 2.6.16 which is over 4 years old and has
plenty of bugs.  We suggest that for maximum HTML/XML parsing pleasure, you
upgrade your version of libxml2 and re-install nokogiri.  If you like using
libxml2 version 2.6.16, but don't like this warning, please define the constant
I_KNOW_I_AM_USING_AN_OLD_AND_BUGGY_VERSION_OF_LIBXML2 before requring nokogiri.

ngtest_test already exists
ngtest_development already exists

$ DYLD_PRINT_LIBRARIES=1 rake db:create
dyld: loaded: /Users/gareth/.rvm/rubies/ruby-1.9.2-p136/bin/ruby
dyld: loaded: /Users/gareth/.rvm/rubies/ruby-1.9.2-p136/lib/libruby.1.9.1.dylib
dyld: loaded: /usr/lib/libSystem.B.dylib
dyld: loaded: /usr/lib/libobjc.A.dylib
dyld: loaded: /usr/lib/libgcc_s.1.dylib
dyld: loaded: /usr/lib/system/libmathCommon.A.dylib
dyld: loaded: /usr/lib/libauto.dylib
dyld: loaded: /usr/lib/libstdc++.6.dylib
dyld: loaded: /Users/gareth/.rvm/rubies/ruby-1.9.2-p136/lib/ruby/1.9.1/i386-darwin9.8.0/enc/encdb.bundle
dyld: loaded: /Users/gareth/.rvm/rubies/ruby-1.9.2-p136/lib/ruby/1.9.1/i386-darwin9.8.0/enc/trans/transdb.bundle
dyld: loaded: /Users/gareth/.rvm/rubies/ruby-1.9.2-p136/lib/ruby/1.9.1/i386-darwin9.8.0/etc.bundle
(in /Users/gareth/Sites/Rails3/ngtest)
dyld: loaded: /Users/gareth/.rvm/rubies/ruby-1.9.2-p136/lib/ruby/1.9.1/i386-darwin9.8.0/stringio.bundle
dyld: loaded: /Users/gareth/.rvm/rubies/ruby-1.9.2-p136/lib/ruby/1.9.1/i386-darwin9.8.0/syck.bundle
dyld: loaded: /Users/gareth/.rvm/rubies/ruby-1.9.2-p136/lib/ruby/1.9.1/i386-darwin9.8.0/digest/sha1.bundle
dyld: loaded: /usr/lib/libcrypto.0.9.7.dylib
dyld: loaded: /Users/gareth/.rvm/rubies/ruby-1.9.2-p136/lib/ruby/1.9.1/i386-darwin9.8.0/digest.bundle
dyld: loaded: /Users/gareth/.rvm/rubies/ruby-1.9.2-p136/lib/ruby/1.9.1/i386-darwin9.8.0/enc/iso_8859_1.bundle
dyld: loaded: /Users/gareth/.rvm/rubies/ruby-1.9.2-p136/lib/ruby/1.9.1/i386-darwin9.8.0/zlib.bundle
dyld: loaded: /usr/lib/libz.1.dylib
dyld: loaded: /Users/gareth/.rvm/rubies/ruby-1.9.2-p136/lib/ruby/1.9.1/i386-darwin9.8.0/strscan.bundle
dyld: loaded: /Users/gareth/.rvm/rubies/ruby-1.9.2-p136/lib/ruby/1.9.1/i386-darwin9.8.0/bigdecimal.bundle
dyld: loaded: /Users/gareth/.rvm/gems/ruby-1.9.2-p136/gems/mysql-2.8.1/lib/mysql_api.bundle
dyld: loaded: /usr/local/Cellar/mysql/5.1.54/lib/mysql/libmysqlclient.16.dylib
dyld: loaded: /Users/gareth/.rvm/rubies/ruby-1.9.2-p136/lib/ruby/1.9.1/i386-darwin9.8.0/openssl.bundle
dyld: loaded: /usr/lib/libssl.0.9.7.dylib
dyld: loaded: /Users/gareth/.rvm/rubies/ruby-1.9.2-p136/lib/ruby/1.9.1/i386-darwin9.8.0/fcntl.bundle
dyld: loaded: /Users/gareth/.rvm/gems/ruby-1.9.2-p136/gems/eventmachine-0.12.10/lib/rubyeventmachine.bundle
dyld: loaded: /Users/gareth/.rvm/gems/ruby-1.9.2-p136/gems/thin-1.2.7/lib/thin_parser.bundle
dyld: loaded: /Users/gareth/.rvm/rubies/ruby-1.9.2-p136/lib/ruby/1.9.1/i386-darwin9.8.0/digest/md5.bundle
dyld: loaded: /Users/gareth/.rvm/rubies/ruby-1.9.2-p136/lib/ruby/1.9.1/i386-darwin9.8.0/iconv.bundle
dyld: loaded: /usr/lib/libiconv.2.dylib
dyld: loaded: /Users/gareth/.rvm/gems/ruby-1.9.2-p136/gems/json-1.4.6/ext/json/ext/json/ext/parser.bundle
dyld: loaded: /Users/gareth/.rvm/rubies/ruby-1.9.2-p136/lib/ruby/1.9.1/i386-darwin9.8.0/enc/utf_16be.bundle
dyld: loaded: /Users/gareth/.rvm/rubies/ruby-1.9.2-p136/lib/ruby/1.9.1/i386-darwin9.8.0/enc/utf_16le.bundle
dyld: loaded: /Users/gareth/.rvm/rubies/ruby-1.9.2-p136/lib/ruby/1.9.1/i386-darwin9.8.0/enc/utf_32be.bundle
dyld: loaded: /Users/gareth/.rvm/rubies/ruby-1.9.2-p136/lib/ruby/1.9.1/i386-darwin9.8.0/enc/utf_32le.bundle
dyld: loaded: /Users/gareth/.rvm/gems/ruby-1.9.2-p136/gems/json-1.4.6/ext/json/ext/json/ext/generator.bundle
dyld: loaded: /Users/gareth/.rvm/gems/ruby-1.9.2-p136/gems/rpeg-markdown-1.4.6/lib/peg_markdown.bundle
dyld: loaded: /usr/local/Cellar/glib/2.24.2/lib/libglib-2.0.0.dylib
dyld: loaded: /usr/local/Cellar/gettext/0.17/lib/libintl.8.dylib
dyld: loaded: /System/Library/Frameworks/Carbon.framework/Versions/A/Carbon
dyld: loaded: /System/Library/Frameworks/CoreServices.framework/Versions/A/CoreServices
dyld: loaded: /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
dyld: loaded: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/CarbonSound.framework/Versions/A/CarbonSound
dyld: loaded: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/CommonPanels.framework/Versions/A/CommonPanels
dyld: loaded: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Help.framework/Versions/A/Help
dyld: loaded: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox
dyld: loaded: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HTMLRendering.framework/Versions/A/HTMLRendering
dyld: loaded: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/ImageCapture.framework/Versions/A/ImageCapture
dyld: loaded: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Ink.framework/Versions/A/Ink
dyld: loaded: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/NavigationServices.framework/Versions/A/NavigationServices
dyld: loaded: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/OpenScripting.framework/Versions/A/OpenScripting
dyld: loaded: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Print.framework/Versions/A/Print
dyld: loaded: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/SecurityHI.framework/Versions/A/SecurityHI
dyld: loaded: /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/SpeechRecognition.framework/Versions/A/SpeechRecognition
dyld: loaded: /System/Library/Frameworks/ApplicationServices.framework/Versions/A/ApplicationServices
dyld: loaded: /System/Library/Frameworks/CoreAudio.framework/Versions/A/CoreAudio
dyld: loaded: /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CarbonCore.framework/Versions/A/CarbonCore
dyld: loaded: /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNetwork.framework/Versions/A/CFNetwork
dyld: loaded: /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/Metadata.framework/Versions/A/Metadata
dyld: loaded: /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/OSServices.framework/Versions/A/OSServices
dyld: loaded: /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/SearchKit.framework/Versions/A/SearchKit
dyld: loaded: /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/AE.framework/Versions/A/AE
dyld: loaded: /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/LaunchServices
dyld: loaded: /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/DictionaryServices.framework/Versions/A/DictionaryServices
dyld: loaded: /System/Library/Frameworks/IOKit.framework/Versions/A/IOKit
dyld: loaded: /usr/lib/libicucore.A.dylib
dyld: loaded: /System/Library/Frameworks/DiskArbitration.framework/Versions/A/DiskArbitration
dyld: loaded: /usr/lib/libbsm.dylib
dyld: loaded: /System/Library/Frameworks/Security.framework/Versions/A/Security
dyld: loaded: /System/Library/Frameworks/SystemConfiguration.framework/Versions/A/SystemConfiguration
dyld: loaded: /usr/lib/libsqlite3.0.dylib
dyld: loaded: /usr/lib/libresolv.9.dylib
dyld: loaded: /usr/lib/libxml2.2.dylib
dyld: loaded: /usr/lib/libxslt.1.dylib
dyld: loaded: /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation
dyld: loaded: /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/ATS
dyld: loaded: /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ColorSync.framework/Versions/A/ColorSync
dyld: loaded: /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/CoreGraphics
dyld: loaded: /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreText.framework/Versions/A/CoreText
dyld: loaded: /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/HIServices.framework/Versions/A/HIServices
dyld: loaded: /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/ImageIO
dyld: loaded: /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/LangAnalysis.framework/Versions/A/LangAnalysis
dyld: loaded: /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/PrintCore.framework/Versions/A/PrintCore
dyld: loaded: /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/QD.framework/Versions/A/QD
dyld: loaded: /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/SpeechSynthesis.framework/Versions/A/SpeechSynthesis
dyld: loaded: /System/Library/Frameworks/Accelerate.framework/Versions/A/Accelerate
dyld: loaded: /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vImage.framework/Versions/A/vImage
dyld: loaded: /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/vecLib
dyld: loaded: /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvMisc.dylib
dyld: loaded: /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvDSP.dylib
dyld: loaded: /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBLAS.dylib
dyld: loaded: /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLAPACK.dylib
dyld: loaded: /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libJPEG.dylib
dyld: loaded: /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libTIFF.dylib
dyld: loaded: /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libGIF.dylib
dyld: loaded: /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libPng.dylib
dyld: loaded: /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libRadiance.dylib
dyld: loaded: /usr/lib/libcups.2.dylib
dyld: loaded: /System/Library/Frameworks/Kerberos.framework/Versions/A/Kerberos
dyld: loaded: /System/Library/PrivateFrameworks/CoreUI.framework/Versions/A/CoreUI
dyld: loaded: /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore
dyld: loaded: /System/Library/PrivateFrameworks/DesktopServicesPriv.framework/Versions/A/DesktopServicesPriv
dyld: loaded: /System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL
dyld: loaded: /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLImage.dylib
dyld: loaded: /usr/lib/libffi.dylib
dyld: loaded: /System/Library/Frameworks/CoreVideo.framework/Versions/A/CoreVideo
dyld: loaded: /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLU.dylib
dyld: loaded: /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib
dyld: loaded: /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLProgrammability.dylib
dyld: loaded: /System/Library/PrivateFrameworks/InstallServer.framework/Versions/A/InstallServer
dyld: loaded: /Users/gareth/.rvm/gems/ruby-1.9.2-p136/gems/nokogiri-1.4.4/lib/nokogiri/nokogiri.bundle
dyld: loaded: /usr/local/Cellar/libxslt/1.1.26/lib/libexslt.0.dylib
dyld: loaded: /usr/local/Cellar/libxslt/1.1.26/lib/libxslt.1.dylib
dyld: loaded: /usr/local/Cellar/libxml2/2.7.7/lib/libxml2.2.dylib
WARNING: Nokogiri was built against LibXML version 2.7.7, but has dynamically loaded 2.6.16
HI.  You're using libxml2 version 2.6.16 which is over 4 years old and has
plenty of bugs.  We suggest that for maximum HTML/XML parsing pleasure, you
upgrade your version of libxml2 and re-install nokogiri.  If you like using
libxml2 version 2.6.16, but don't like this warning, please define the constant
I_KNOW_I_AM_USING_AN_OLD_AND_BUGGY_VERSION_OF_LIBXML2 before requring nokogiri.

dyld: loaded: /Users/gareth/.rvm/rubies/ruby-1.9.2-p136/lib/ruby/1.9.1/i386-darwin9.8.0/racc/cparse.bundle
dyld: loaded: /Users/gareth/.rvm/rubies/ruby-1.9.2-p136/lib/ruby/1.9.1/i386-darwin9.8.0/socket.bundle
ngtest_test already exists
ngtest_development already exists

$ nokogiri -v
--- 
warnings: []

nokogiri: 1.4.4
ruby: 
  version: 1.9.2
  platform: i386-darwin9.8.0
  engine: ruby
libxml: 
  binding: extension
  compiled: 2.7.7
  loaded: 2.7.7

推荐答案

最后我不得不针对 xml2 和 xslt 的特定版本安装 gem已安装:

In the end I had to install the gem against the specific versions of xml2 and xslt I have installed:

gem install nokogiri -- --with-xml2-include=/usr/local/Cellar/libxml2/2.7.7/include/libxml2 --with-xml2-lib=/usr/local/Cellar/libxml2/2.7.7/lib --with-xslt-dir=/usr/local/Cellar/libxslt/1.1.26
#. scrollbar line, so the code can be seen

问题很可能是库管理不善，在包管理器之间切换时不够整洁.

The problem was most likely bad library management, switching between package managers without being tidy enough about it.

这篇关于警告:Nokogiri 是针对 LibXML 版本 2.7.7 构建的，但已动态加载 2.6.16的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！