我们最近在Ubuntu 10.04LTS服务器上从MySQL 5.1.41升级到5.1.61。我们有一个古老的回报率的Web应用程序,现在给人一种不好的握手错误:Ruby on Rails MySQL#08S01Bad握手 - 降级MySQL?
Mysql::Error in MainController#index
#08S01Bad handshake
/usr/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/vendor/mysql.rb:523:in `read'
/usr/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/vendor/mysql.rb:153:in `real_connect'
/usr/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/connection_adapters/mysql_adapter.rb:389:in `connect'
/usr/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/connection_adapters/mysql_adapter.rb:152:in `initialize'
/usr/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/connection_adapters/mysql_adapter.rb:82:in `new'
/usr/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/connection_adapters/mysql_adapter.rb:82:in `mysql_connection'
/usr/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/connection_adapters/abstract/connection_specification.rb:262:in `send'
/usr/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/connection_adapters/abstract/connection_specification.rb:262:in `connection_without_query_cache='
/usr/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/query_cache.rb:54:in `connection='
/usr/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/connection_adapters/abstract/connection_specification.rb:230:in `retrieve_connection'
/usr/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/connection_adapters/abstract/connection_specification.rb:78:in `connection'
/usr/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/base.rb:763:in `columns'
/usr/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/base.rb:2060:in `attributes_from_column_definition_without_lock'
/usr/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/locking/optimistic.rb:45:in `attributes_from_column_definition'
/usr/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/base.rb:1502:in `initialize_without_callbacks'
/usr/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/callbacks.rb:225:in `initialize'
#{RAILS_ROOT}/app/controllers/application.rb:48:in `new'
#{RAILS_ROOT}/app/controllers/application.rb:48:in `log_info'
/usr/local/bin/mongrel_rails:19:in `load'
/usr/local/bin/mongrel_rails:19
我用Google搜索周围,无意中发现了这http://bugs.ruby-lang.org/issues/5017告诉我,这是一个Ruby的MySQL扩展错误。我们没有使用MySQL gem。我们的Web应用程序非常古老而且易碎(Ruby v1.8.7,Rails v1.2.3,Mongrel 1.1.5)。我们正在用Django重写代替它,所以我们只需要在接下来的几周内实现这个功能,直到我们将其替换为新的站点。
我们怎么能通过这个错误?我认为降级到MySQL 5.1.41是处理这个问题的最佳方式,然后当我们在几周内开始使用新网站时,我们可以重新升级到5.1.61。但是,我遇到了降级mysql的问题。这是我使用的命令:
sudo aptitude install mysql-server-5.1=5.1.41-3ubuntu12.10
然而,这告诉我Unable to find a version "5.1.41-3ubuntu12.10" for the package "mysql-server-5.1"
。我也试过sudo aptitude install mysql-server-5.1=5.1.41
,但那也没用。我如何才能安装正确版本的MySQL?
*我在想,降级到MySQL 5.1.41是处理这个*最好的方式,如果你的数据库连接代码是集中,也许在你的链接中使用解决方法? *避免此问题的解决方法是在建立连接时不设置数据库。* – 2012-03-14 21:24:06
也许这只是我并不熟悉RoR,但我不知道如何执行此操作。数据库连接设置在'config/database.yml'中,我不知道如何让站点与MySQL接口,而不必在该文件中指定数据库名称。我没有尝试注释数据库名称,但我得到一个新的错误:'没有指定数据库。缺少参数:database.' – Geoff 2012-03-14 21:31:31
我刚刚遇到同样的问题,从.49升级到.61。在Debian Squeeze上,降级为:'sudo aptitude install mysql-server-5.1 = 5.1.49-3 mysql-client-5.1 = 5.1.49-3 mysql-common = 5.1.49-3 mysql-server-core-5.1 = 5.1.49-3 libmysqlclient16 = 5.1.49-3'。 – gsreynolds 2012-04-02 08:34:12