# Rails engines in textdrive error

**URL:** <https://www.ruby-forum.com/t/rails-engines-in-textdrive-error/57710>\
**Category:** Engines\
**Created:** [April 13, 2006, 10:04am UTC](https://www.ruby-forum.com/t/rails-engines-in-textdrive-error/57710 "2006-04-13T10:04:29Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![Christophe\_GuSSSSga](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/a4c791/32.png) [@Christophe\_GuSSSSga](https://www.ruby-forum.com/u/Christophe_GuSSSSga)\
**Post date:** [April 13, 2006, 10:04am UTC](https://www.ruby-forum.com/t/rails-engines-in-textdrive-error/57710/1 "2006-04-13T10:04:29Z")

</div>

Hi,

Login\_engine just working fine on my local MacOSX but fails on  
textDrive Hosting when I try to launch the lighttpd process

Rails 1.0 and Ruby 1.8

Any idea ?

/usr/local/lib/ruby/gems/1.8/gems/activesupport-1.2.5/lib/  
active\_support/dependencies.rb:200:in `const_missing': uninitialized constant SchemaDumper (NameError) from /users/home/cguegan/web/wine/content/public/../ config/../vendor/plugins/engines/lib/engines/ active_record_extensions.rb:19 from /usr/local/lib/ruby/site_ruby/1.8/rubygems/ custom_require.rb:21:in`require’  
from /usr/local/lib/ruby/gems/1.8/gems/activesupport-1.2.5/  
lib/active\_support/dependencies.rb:214:in `require' from /users/home/cguegan/web/wine/content/public/../ config/../vendor/plugins/engines/lib/engines.rb:402 from /usr/local/lib/ruby/site_ruby/1.8/rubygems/ custom_require.rb:21:in`require’  
from /usr/local/lib/ruby/gems/1.8/gems/activesupport-1.2.5/  
lib/active\_support/dependencies.rb:214:in `require' from /users/home/cguegan/web/wine/content/public/../ config/../vendor/plugins/engines/init.rb:32:in`load\_plugin’  
from /usr/local/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/  
initializer.rb:311:in `load_plugin' from /usr/local/lib/ruby/gems/1.8/gems/activesupport-1.2.5/ lib/active_support/core_ext/kernel.rb:27:in`silence\_warnings’  
from /usr/local/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/  
initializer.rb:311:in `load_plugin' from /usr/local/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/ initializer.rb:145:in`load\_plugins’  
from /usr/local/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/  
initializer.rb:145:in `load_plugins' from /usr/local/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/ initializer.rb:100:in`process’  
from /usr/local/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/  
initializer.rb:42:in `run' from /users/home/cguegan/web/wine/content/public/../config/ environment.rb:10 from /users/home/cguegan/web/wine/content/public/ dispatch.fcgi:21 /usr/local/lib/ruby/gems/1.8/gems/activesupport-1.2.5/lib/ active_support/dependencies.rb:200:in`const\_missing’: uninitialized  
constant SchemaDumper (NameError)  
from /users/home/cguegan/web/wine/content/public/…/  
config/…/vendor/plugins/engines/lib/engines/  
active\_record\_extensions.rb:19  
from /usr/local/lib/ruby/site\_ruby/1.8/rubygems/  
custom\_require.rb:21:in `require' from /usr/local/lib/ruby/gems/1.8/gems/activesupport-1.2.5/ lib/active_support/dependencies.rb:214:in`require’  
from /users/home/cguegan/web/wine/content/public/…/  
config/…/vendor/plugins/engines/lib/engines.rb:402  
from /usr/local/lib/ruby/site\_ruby/1.8/rubygems/  
custom\_require.rb:21:in `require' from /usr/local/lib/ruby/gems/1.8/gems/activesupport-1.2.5/ lib/active_support/dependencies.rb:214:in`require’  
from /users/home/cguegan/web/wine/content/public/…/  
config/…/vendor/plugins/engines/init.rb:32:in `load_plugin' from /usr/local/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/ initializer.rb:311:in`load\_plugin’  
from /usr/local/lib/ruby/gems/1.8/gems/activesupport-1.2.5/  
lib/active\_support/core\_ext/kernel.rb:27:in `silence_warnings' from /usr/local/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/ initializer.rb:311:in`load\_plugin’  
from /usr/local/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/  
initializer.rb:145:in `load_plugins' from /usr/local/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/ initializer.rb:145:in`load\_plugins’  
from /usr/local/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/  
initializer.rb:100:in `process' from /usr/local/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/ initializer.rb:42:in`run’  
from /users/home/cguegan/web/wine/content/public/…/config/  
environment.rb:10  
from /users/home/cguegan/web/wine/content/public/  
dispatch.fcgi:21

---

<div class="post-metadata">

**Author:** ![Christophe\_GuSSSSga](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/a4c791/32.png) [@Christophe\_GuSSSSga](https://www.ruby-forum.com/u/Christophe_GuSSSSga)\
**Post date:** [April 17, 2006, 4:15pm UTC](https://www.ruby-forum.com/t/rails-engines-in-textdrive-error/57710/2 "2006-04-17T16:15:35Z")

</div>

Le 13-avr.-06 à 10:02, Christophe Guégan a écrit :

> active\_support/dependencies.rb:200:in `const\_missing’: uninitialized  
> constant SchemaDumper (NameError)

I’ve tried to make a fresh install of a rails project on textDrive  
without any error and then just do

script/plugin install engines

At this point the lighttpd server returns me the same error :  
“uninitialized constant SchemaDumper”  
when I try to start the server.

Do you think it can be ruby version 1.8 ? Does engines need 1.8.4 to  
work ?

Thanks for your help

Christophe

---

<div class="post-metadata">

**Author:** ![Christophe\_GuSSSSga](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/a4c791/32.png) [@Christophe\_GuSSSSga](https://www.ruby-forum.com/u/Christophe_GuSSSSga)\
**Post date:** [April 18, 2006, 10:53am UTC](https://www.ruby-forum.com/t/rails-engines-in-textdrive-error/57710/3 "2006-04-18T10:53:00Z")

</div>

Hi,

This is a bug that has been fixed in the 1.1 release branch:  
[http://dev.rails-engines.org/tickets/132](http://dev.rails-engines.org/tickets/132)  
[http://dev.rails-engines.org/repository/changesets/352](http://dev.rails-engines.org/repository/changesets/352)

This will be fixed in the Engines 1.1.2, but you can apply the patch  
now if you need it.

Regards,  
Jon

On 17/04/06, Christophe Guégan [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:

> Rails 1.0 and Ruby 1.8
> 
> Christophe
> 
> * * *
> 
> engine-users mailing list  
> removed\_email\_address@domain.invalid  
> [http://lists.rails-engines.org/listinfo.cgi/engine-users-rails-engines.org](http://lists.rails-engines.org/listinfo.cgi/engine-users-rails-engines.org)

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