耙中止！未初始化的常量 Mysql2

2022-01-18 00:00:00 ruby-on-rails ruby mysql rubygems 
Goksel-Eryigits-Mac-mini:blog geryit$ rake db:migrate --trace
(in /Users/geryit/Sites/blog)
** Invoke db:migrate (first_time)
** Invoke environment (first_time)
** Execute environment
** Execute db:migrate
rake aborted!
Client does not support authentication protocol requested by server; consider upgrading MySQL client
/Users/geryit/.rvm/rubies/ruby-1.8.7-p330/lib/ruby/1.8/mysql.rb:453:in `read'
/Users/geryit/.rvm/rubies/ruby-1.8.7-p330/lib/ruby/1.8/mysql.rb:130:in `real_connect'
/Users/geryit/.rvm/gems/ruby-1.8.7-p330/gems/activerecord-3.0.3/lib/active_record/connection_adapters/mysql_adapter.rb:600:in `connect'
/Users/geryit/.rvm/gems/ruby-1.8.7-p330/gems/activerecord-3.0.3/lib/active_record/connection_adapters/mysql_adapter.rb:164:in `initialize
.
.
.

数据库.yml

development:
  adapter: mysql
  encoding: utf8
  database: test
  pool: 5
  username: root
  password:
  socket: /tmp/mysql.sock

推荐答案

他们现在一起工作没有任何问题.问题是 Mysql 版本和 mysql gem 标志.我删除了 MYSQL 5.5 并重新安装了 Mysql 5.1.一切都是固定的.谢谢.

They work together now without any problems. The problem was Mysql version and mysql gem flags. I removed MYSQL 5.5 and installed Mysql 5.1 back. Everything is fixed. Thanks.

我写了一篇关于安装的博客文章，它可能会有所帮助:https://geryit.com/blog/installing-mysql-with-rails-on-mac-os-x-snow-leopard/

I wrote a blog post about installing, it can be helpful : https://geryit.com/blog/installing-mysql-with-rails-on-mac-os-x-snow-leopard/

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