what does this error mean `activate': can't activate activesupport (= 3.0.1, runtime) for ["activerecord-3.0.1"]

[Junkone]

i am using active record in my program and cannot understand what this
error means.

require 'watir'

include Watir
require 'active_record'

ActiveRecord::Base.establish_connection(
:adapter => "mysql",
:host => "127.0.0.1",
#:host => "sun",
:database => "Trader",
:username => "root",
:password => "password"
)
class Rawdata < ActiveRecord::Base
set_table_name "rawdatas"

end

E:\TradingTools\trader\app\helpers>GrabMBTTrades.rb
C:/Ruby187/lib/ruby/site_ruby/1.8/rubygems.rb:233:in `activate': can't
activate
activesupport (= 3.0.1, runtime) for ["activerecord-3.0.1"], already
activated a
ctivesupport-2.3.9 for ["firewatir-1.6.6", "watir-1.6.6"]
(Gem::LoadError)
from C:/Ruby187/lib/ruby/site_ruby/1.8/rubygems.rb:249:in
`activate'
from C:/Ruby187/lib/ruby/site_ruby/1.8/rubygems.rb:248:in
`each'
from C:/Ruby187/lib/ruby/site_ruby/1.8/rubygems.rb:248:in
`activate'
from C:/Ruby187/lib/ruby/site_ruby/1.8/rubygems/
custom_require.rb:35:in
`require'
from E:/TradingTools/trader/app/helpers/GrabMBTTrades.rb:8

[Luis Lavena]

On Oct 23, 11:37 am, Junkone <junko...@gmail.com> wrote:
> i am using active record in my program and cannot understand what this
> error means.
>
> require 'watir'
>
> include Watir
> require 'active_record'
>
> ActiveRecord::Base.establish_connection(
> :adapter => "mysql",
> :host => "127.0.0.1",
> #:host => "sun",
> :database => "Trader",
> :username => "root",
> :password => "password"
> )
> class Rawdata < ActiveRecord::Base
>    set_table_name "rawdatas"
>
> end
>
> E:\TradingTools\trader\app\helpers>GrabMBTTrades.rb
> C:/Ruby187/lib/ruby/site_ruby/1.8/rubygems.rb:233:in `activate': can't
> activate
> activesupport (= 3.0.1, runtime) for ["activerecord-3.0.1"], already
> activated a
> ctivesupport-2.3.9 for ["firewatir-1.6.6", "watir-1.6.6"]
> (Gem::LoadError)

It is telling you that firewater and watir required activesupport
2.3.9, so if you want ActiveSupport 3.0.1 you need to require it first
(before requiring watir)

--
Luis Lavena

[Jarmo Pertman]

In that case Watir will raise an exception because it strictly loads
2.3.9. There is plan to remove active-support dependency completely in
FireWatir

Jarmo