使用mingw编译mysql2时出现分段错误

当我尝试创建一个Rails服务器时，这就是我得到的。 它立即运行超过500行代码并返回此消息。 这是我的第一个Ruby on Rails项目。 我对编码也很陌生。 如果可能的话，会爱一些帮助。 谢谢！

C:/Ruby200-x64/lib/ruby/gems/2.0.0/extensions/x64-mingw32/2.0.0/mysql2-0.3.15/my sql2/mysql2.so: [BUG] Segmentation fault ruby 2.0.0p451 (2014-02-24) [x64-mingw32] 0 enumerator.so 1 C:/Ruby200-x64/lib/ruby/2.0.0/x64-mingw32/enc/encdb.so 2 C:/Ruby200-x64/lib/ruby/2.0.0/x64-mingw32/enc/iso_8859_1.so 3 C:/Ruby200-x64/lib/ruby/2.0.0/x64-mingw32/enc/trans/transdb.so 4 C:/Ruby200-x64/lib/ruby/2.0.0/x64-mingw32/rbconfig.rb 5 C:/Ruby200-x64/lib/ruby/site_ruby/2.0.0/rubygems/compatibility.rb 6 C:/Ruby200-x64/lib/ruby/site_ruby/2.0.0/rubygems/defaults.rb 7 C:/Ruby200-x64/lib/ruby/site_ruby/2.0.0/rubygems/deprecate.rb 8 C:/Ruby200-x64/lib/ruby/site_ruby/2.0.0/rubygems/errors.rb 9 C:/Ruby200-x64/lib/ruby/site_ruby/2.0.0/rubygems/version.rb 10 C:/Ruby200-x64/lib/ruby/site_ruby/2.0.0/rubygems/requirement.rb 11 C:/Ruby200-x64/lib/ruby/site_ruby/2.0.0/rubygems/platform.rb 12 C:/Ruby200-x64/lib/ruby/site_ruby/2.0.0/rubygems/basic_specification.rb 13 C:/Ruby200-x64/lib/ruby/site_ruby/2.0.0/rubygems/stub_specification.rb 14 C:/Ruby200-x64/lib/ruby/site_ruby/2.0.0/rubygems/util/stringio.rb 15 C:/Ruby200-x64/lib/ruby/site_ruby/2.0.0/rubygems/specification.rb 16 C:/Ruby200-x64/lib/ruby/site_ruby/2.0.0/rubygems/exceptions.rb 17 C:/Ruby200-x64/lib/ruby/2.0.0/rubygems/defaults/operating_system.rb 18 C:/Ruby200-x64/lib/ruby/2.0.0/x64-mingw32/enc/utf_16le.so 19 C:/Ruby200-x64/lib/ruby/2.0.0/x64-mingw32/enc/trans/utf_16_32.so 20 C:/Ruby200-x64/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_gem.rb 537 C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/activesupport-4.0.0/lib/active_sup port/core_ext/module.rb 538 C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/actionpack-4.0.0/lib/action_view/r ecord_identifier.rb 539 C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/actionpack-4.0.0/lib/action_view/h elpers/record_tag_helper.rb 540 C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/actionpack-4.0.0/lib/action_view/h elpers/rendering_helper.rb 541 C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/actionpack-4.0.0/lib/action_view/h elpers/translation_helper.rb 542 C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/actionpack-4.0.0/lib/action_view/h elpers.rb 543 C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/sprockets-rails-2.0.1/lib/sprocket s/rails/helper.rb 544 C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/engine/co nfiguration.rb 545 C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/applicati on/configuration.rb 546 C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/sprockets-rails-2.0.1/lib/sprocket s/railtie.rb 547 C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/all.rb 548 C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/activesupport-4.0.0/lib/active_sup port/string_inquirer.rb 549 C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/mysql2-0.3.15/lib/mysql2/version.r b 550 C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/mysql2-0.3.15/lib/mysql2/error.rb [NOTE] You may have encountered a bug in the Ruby interpreter or extension libraries. Bug reports are welcome. For details: http://www.ruby-lang.org/bugreport.html This application has requested the Runtime to terminate it in an unusual way. Please contact the application's support team for more information. C:\Users\MVParker\Documents\Sites\simple_cms> 

Answer 1

我用Google搜索了“x64-mingw32 mysql2 Segmentation fault”，发现了这个： https ： //bugs.ruby-lang.org/issues/8591

看起来mysql2中有一个bug。 对Ruby问题的评论提供了一种解决方法，用您的编译器重新生成libmysql.lib。 请回报并告知我们是否有效。

Answer 2

根据Dave Schweisguth的回答，关于ruby bug，并按照Heesob Park的评论所描述的步骤，我可以让mysql2 gem工作。 谢谢你们分享这个。

来自Heesob的评论评论：

MySQL Connector / C 64位中包含的libmysql.lib与mingw64-gcc编译器不兼容。

您需要生成mingw64兼容的libmysql.lib文件。

要创建兼容的libmysql.lib文件，我执行了以下步骤:(我正在使用Ruby 2.0.0p481 [x64-mingw32]运行Win8.1 x64）

1）下载此zip文件https://structure-svm-map.googlecode.com/files/svm-map-win.zip并将其解压缩到ac：\ tmp \ svm-map

2）从http://dev.mysql.com/get/Downloads/Connector-C/mysql-connector-c-6.1.3-winx64.zip下载Mysql C / Connector 6.1并将其解压缩到c：\ tmp \ mysql

3）打开CMD提示

4） cd \tmp\svm-map\python-mingw-lib

5） gendef.exe \tmp\mysql\lib\libmysql.dll

6） move libmysql.def \tmp\mysql\lib

7） cd \tmp\mysql\lib

8） \Ruby200-x64\DevKit\mingw\bin\dlltool -v --dllname libmysql.dll --def libmysql.def --output-lib libmysql.lib

9） gem install mysql2 -- --with-mysql-dir=c:\tmp\mysql

而已！ 在Windows 8.1上运行Rails x64的Mysql2 gem！ =）