Wednesday, August 26, 2009

Rails 2.3 migration issues with MySQL 5.1.3


depot>rake db:migrate --trace
(in D:/Projects/RoR/depot)
** Invoke db:migrate (first_time)
** Invoke environment (first_time)
** Execute environment
** Execute db:migrate
rake aborted!
Mysql::Error: query: not connected: CREATE TABLE `schema_migrations` (`version`
varchar(255) NOT NULL) ENGINE=InnoDB
d:/tools/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.3/lib/active_record/connetion_adapters/abstract_adapter.rb:212:in `log'
d:/tools/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.3/lib/active_record/connetion_adapters/mysql_adapter.rb:320:in `execute'
d:/tools/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.3/lib/active_record/connetion_adapters/abstract/schema_statements.rb:114:in `create_table'
d:/tools/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.3/lib/active_record/connetion_adapters/mysql_adapter.rb:473:in `create_table'
d:/tools/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.3/lib/active_record/connetion_adapters/abstract/schema_statements.rb:320:in `initialize_schema_migration_table'
d:/tools/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.3/lib/active_record/migraion.rb:436:in `initialize'
d:/tools/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.3/lib/active_record/migraion.rb:400:in `new'
d:/tools/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.3/lib/active_record/migraion.rb:400:in `up'
d:/tools/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.3/lib/active_record/migraion.rb:383:in `migrate'
d:/tools/Ruby/lib/ruby/gems/1.8/gems/rails-2.3.3/lib/tasks/databases.rake:116
d:/tools/Ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:in `call'
d:/tools/Ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:in `execute'
d:/tools/Ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:in `each'
d:/tools/Ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:in `execute'
d:/tools/Ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:597:in `invoke_with call_chain'
d:/tools/Ruby/lib/ruby/1.8/monitor.rb:242:in `synchronize'
d:/tools/Ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:590:in `invoke_with call_chain'
d:/tools/Ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:583:in `invoke'
d:/tools/Ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2051:in `invoke_tas'
d:/tools/Ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `top_level'
d:/tools/Ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `each'
d:/tools/Ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `top_level'
d:/tools/Ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling'
d:/tools/Ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2023:in `top_level'
d:/tools/Ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2001:in `run'
d:/tools/Ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling'
d:/tools/Ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:1998:in `run'
d:/tools/Ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/bin/rake:31
d:/Tools/Ruby/bin/rake:19:in `load'
d:/Tools/Ruby/bin/rake:19

As I understood the client MySQL library doesn't work well with Rails 2.3. We can resolve this by using the older MySQL client library (libmySQL.dll). You can get it here http://instantrails.rubyforge.org/svn/trunk/InstantRails-win/InstantRails/mysql/bin/libmySQL.dll.
Just put it in <ruby base dir>\bin\ and restart MySQL service.
Labels:

12 comments:

  1. thanks and it worked for me.

    ReplyDelete

  2. great suggestion... it works also for me

    ReplyDelete

  3. Also for me
    Thankyou!

    ReplyDelete

  4. I did as u said, but i still get the same error.

    My error reads slightly different, as follows:
    C:\webserver\Redmine\redmine-1.0.4>rake db:migrate --trace
    (in C:/webserver/Redmine/redmine-1.0.4)
    ** Invoke db:migrate (first_time)
    ** Invoke environment (first_time)
    ** Execute environment
    rake aborted!
    No such file or directory - C:/webserver/Redmine/redmine-1.0.4/config/database.y
    ml
    C:/webserver/Redmine/redmine-1.0.4/config/../vendor/rails/railties/lib/initializ
    er.rb:902:in `read'
    C:/webserver/Redmine/redmine-1.0.4/config/../vendor/rails/railties/lib/initializ
    er.rb:902:in `database_configuration'
    C:/webserver/Redmine/redmine-1.0.4/config/../vendor/rails/railties/lib/initializ
    er.rb:437:in `initialize_database'
    C:/webserver/Redmine/redmine-1.0.4/config/../vendor/rails/railties/lib/initializ
    er.rb:141:in `process'
    C:/webserver/Redmine/redmine-1.0.4/config/../vendor/rails/railties/lib/initializ
    er.rb:113:in `send'
    C:/webserver/Redmine/redmine-1.0.4/config/../vendor/rails/railties/lib/initializ

    ReplyDelete

  5. Hi,
    I found the solution...
    I had forgotten to change the example file to yml file...

    Anyway, now i am stuck with somethin els...
    Wen i typeds this:rake db:migrate

    i got this error...
    Please lemme know if there is a work around....

    C:\webserver\Redmine\redmine-1.0.4>rake db:migrate
    (in C:/webserver/Redmine/redmine-1.0.4)
    rake aborted!
    Access denied for user 'admin'@'localhost' (using password: YES)

    (See full trace by running task with --trace)

    I actually have two instances of MySQL... And i think its this issue that is causing the prob...

    ReplyDelete

  6. Thanks, It worked fine ......Prasanna Yelsangikar

    ReplyDelete

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