ruby Ruby 中的 Rake Time BUG，现在在 Windows 7 上做什么：
错误：
C:\ruby_shuby\exchange>rake db:create:all
rake/rdoctask is deprecated. Use rdoc/task instead (in RDoc 2.4.2+)
C:/Ruby187/lib/ruby/gems/1.8/gems/activerecord-2.3.11/lib/active_record/connection_adapters/mysql_ad
apter.rb:620: [BUG] Segmentation fault
ruby 1.8.7 (2011-06-30 patchlevel 352) [i386-mingw32]
This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information.
系统宝石列表：
C:\ruby_shuby\exchange>gem list
*** LOCAL GEMS ***
actionmailer (2.3.11, 2.3.2)
actionpack (2.3.11, 2.3.2)
activerecord (2.3.11, 2.3.2)
activeresource (2.3.11, 2.3.2)
activesupport (2.3.11, 2.3.2)
mysql (2.8.1 x86-mingw32)
rack (1.1.2, 1.1.1)
rails (2.3.11)
rake (0.9.2)
帮助！该怎么做才能完成这件事。
ERROR:
C:\ruby_shuby\exchange>rake db:create:all
rake/rdoctask is deprecated. Use rdoc/task instead (in RDoc 2.4.2+)
C:/Ruby187/lib/ruby/gems/1.8/gems/activerecord-2.3.11/lib/active_record/connection_adapters/mysql_ad
apter.rb:620: [BUG] Segmentation fault
ruby 1.8.7 (2011-06-30 patchlevel 352) [i386-mingw32]
This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information.
SYSTEM gem list:
C:\ruby_shuby\exchange>gem list
*** LOCAL GEMS ***
actionmailer (2.3.11, 2.3.2)
actionpack (2.3.11, 2.3.2)
activerecord (2.3.11, 2.3.2)
activeresource (2.3.11, 2.3.2)
activesupport (2.3.11, 2.3.2)
mysql (2.8.1 x86-mingw32)
rack (1.1.2, 1.1.1)
rails (2.3.11)
rake (0.9.2)
HELP! what to do to get done with this.
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评论（2）
这不是一个“时间”错误，我认为这是你的环境没有安装 MySQL 的问题。
你的系统上安装了 MySQL 吗？
This is not a "time" bug, it's a problem with your environment not having MySQL installed, I assume.
Have you installed MySQL on your system?
我得到了上述错误报告的解决方案，我认为这是 mysql 中的数据库名称和我的 Rails 配置文件中的小问题。
我发现上述问题的原因如下：
OR
Config/database.yml 中的
>文件包含不同名称的数据库环境（例如mysql）以及您在rails中为应用程序设置的不同数据库名称。 （我的是这样的：Mysql DBname 名称和 Config/database.yml 中的 DB 名称不匹配）。或
或
>Libmysql.dll 文件需要从 Mysql 安装目录复制到 ruby 的 bin 目录，这有时可能会导致如下错误：I got the Solution to above Bug report,which I assume,as the minor problem with database name in mysql and my rails config file..
I found following be the causes of above problem are:
OR
>file in Config/database.yml contains different name of DBenvironment like mysql and different Database name which you had setup for your application in rails. (mine was this: MisMatch of Mysql DBname name and DB name in Config/database.yml).OR
OR
>Libmysql.dll file was need to be copyfrom Mysql installed directory to ruby's bin directory.,which may some time causes errors like: