From: Todd Benson <caduceass@...>
Date: 2007-07-26T13:22:33+09:00
Subject: Re: Ruby error - cannot find ruby gem active record

On 7/25/07, jmilunsky@hotmail.com <jmilunsky@hotmail.com> wrote:
> Things seem to have gotten worse for me. I had it working at one point
> now i have installed everything from scratch again nad I get the
> following error - i am running windows
>
> C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/active_record/
> vendor/mysql.rb:111:in `initialize': Bad file descriptor - connect(2)
> (Errno::EBADF)
>         from C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/
> active_record/vendor/mysql.rb:111:in `real_connect'
>         from C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/
> active_record/connection_adapters/mysql_adapter.rb:389:in `connect'
>         from C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/
> active_record/connection_adapters/mysql_adapter.rb:152:in `initialize'
>         from C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/
> active_record/connection_adapters/mysql_adapter.rb:82:in
> `mysql_connection'
>         from C:/ruby/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='
>         from C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/
> active_record/query_cache.rb:54:in `connection='
>         from C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/
> active_record/connection_adapters/abstract/connection_specification.rb:
> 230:in `retrieve_connection'
>         from C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/
> active_record/connection_adapters/abstract/connection_specification.rb:
> 78:in `connection'
>         from C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/
> active_record/base.rb:763:in `columns'
>         from C:/RadRails/workspace/album/my_ruby_code.rb:9
>
>
> I installed ruby 1.8.4-20 into c:\ruby
> I then installed rails using gem insall rails -r -y
> I have the preference in RadRails set correctly to point to these
> directories but it seems as though it's looking for active record in a
> different directory or something

No, this is a connection error.  I can reproduce this by establishing
a connection with 'mysql' (even though I don't have MySQL installed).
Then, when I try to query through ActiveRecord, it gives me that
error.

Check
- your database.yml file
- that your mysql server is running