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Editorial Team
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Asked: 2026-06-15T23:53:59+00:00

I am working on the 2.0.2 rails application. Now when I execute the command

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I am working on the 2.0.2 rails application. Now when I execute the command from a windows pc with rake db:migate it gives Errno::ENOEXEC in SystemsController#index.

Is there any other way to execute the system commands from the rails application on windows pc?

Here is the error: 

Errno::ENOEXEC in SystemsController#index

Exec format error - rake db:migrate

RAILS_ROOT: E:/RoR/ibt/InstantRails-2.0-win/rails_apps/config
Application Trace | Framework Trace | Full Trace

E:/RoR/ibt/InstantRails-2.0-win/ruby/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/core_ext/kernel/agnostics.rb:7:in ``' ``
E:/RoR/ibt/InstantRails-2.0-win/ruby/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/core_ext/kernel/agnostics.rb:7:in ``'`
app/controllers/systems_controller.rb:24:in `index'

I am getting on ruby console:

irb(main):001:0> system('dir')
Volume in drive E has no label.
Volume Serial Number is 522C-BDB1

 Directory of E:\RoR\ibt\InstantRails-2.0-win\rails_apps\config

 11/29/2012  03:11 PM    <DIR>          .
 11/29/2012  03:11 PM    <DIR>          ..
 11/29/2012  02:41 PM    <DIR>          app
 11/29/2012  02:42 PM    <DIR>          config

 => true
 irb(main):002:0> system('rake db:migrate')
 => false
 irb(main):003:0>
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1 Answer

  1. Editorial Team

    I have solved this issue by running the rake file from the the batch file where the rake is situated.

    irb(main):001:0> system('dir')
Volume in drive E has no label.
Volume Serial Number is 522C-BDB1

Directory of E:\RoR\ibt\InstantRails-2.0-win\rails_apps\config

11/29/2012  03:11 PM    <DIR>          .
11/29/2012  03:11 PM    <DIR>          ..
11/29/2012  02:41 PM    <DIR>          app
11/29/2012  02:42 PM    <DIR>          config

=> true
irb(main):002:0> system('rake db:migrate')
=> false

    In the controller file 

    system("#{RAILS_ROOT}/../../ruby/bin/rake.bat db:migrate")

    Gives result

     == 99 AddFieldtoSystemAssoziations: migrating =================================
 == 99 AddFieldtoSystemAssoziations: migrated (0.0391s) ========================
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