# Engines **URL:** https://www.ruby-forum.com/c/ruby-on-rails/rails-engines/9.md?page=3 [Latest](https://www.ruby-forum.com/latest.md) · [Categories](https://www.ruby-forum.com/categories.md) · [Tags](https://www.ruby-forum.com/tags.md) **Page:** 4 --- ## [Rails 2.0 Engines Plugin: belongs\_to Methods Not Working](https://www.ruby-forum.com/t/rails-2-0-engines-plugin-belongs-to-methods-not-working/127536)
**Author:** [@ratkins](https://www.ruby-forum.com/u/ratkins)\ **Replies:** 1\ **Last updated:** [January 30, 2008, 5:14pm UTC](https://www.ruby-forum.com/t/rails-2-0-engines-plugin-belongs-to-methods-not-working/127536 "2008-01-30T17:14:55Z")
Engine-Users mailing list removed\_email\_address@domain.invalid http://lists.rails-engines.org/listinfo.cgi/engine-users-rails-engines.org --- ## [WEBrick won't start getting require\_frameworks runtime error](https://www.ruby-forum.com/t/webrick-wont-start-getting-require-frameworks-runtime-error/124305)
**Author:** [@tornado](https://www.ruby-forum.com/u/tornado)\ **Replies:** 2\ **Last updated:** [January 30, 2008, 6:15am UTC](https://www.ruby-forum.com/t/webrick-wont-start-getting-require-frameworks-runtime-error/124305 "2008-01-30T06:15:44Z")
Hi WEBrick won’t start and getting the following error- jruby-1.1b1/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/initializer.rb:159:in \`require\_frameworks’: Could not find RubyGem jruby-openssl (\>= 0.0.0) (RuntimeError) … --- ## [When the RAILS first version came to market](https://www.ruby-forum.com/t/when-the-rails-first-version-came-to-market/126669)
**Author:** [@ayyanar](https://www.ruby-forum.com/u/ayyanar)\ **Replies:** 0\ **Last updated:** [January 21, 2008, 9:38am UTC](https://www.ruby-forum.com/t/when-the-rails-first-version-came-to-market/126669 "2008-01-21T09:38:52Z")
Hi, Some employers are expecting 2 to 3 yrs experience in RAILS. I doubt RAILS was not there before 2 years. Thanks, Ayyanar. A --- ## [Newbie Questions](https://www.ruby-forum.com/t/newbie-questions/126564)
**Author:** [@goodieboy](https://www.ruby-forum.com/u/goodieboy)\ **Replies:** 3\ **Last updated:** [January 20, 2008, 5:08pm UTC](https://www.ruby-forum.com/t/newbie-questions/126564 "2008-01-20T17:08:46Z")
Hi, I’ve created a rails application (cms/ecommerce) and want to be able to create multiple instances of it, but keep one svn repo. The back-end will stay the same, the front-end will change based on the clients need… --- ## [RoR Developers Needed @ Yellowpages.com](https://www.ruby-forum.com/t/ror-developers-needed-yellowpages-com/196570)
**Author:** [@rorla](https://www.ruby-forum.com/u/rorla)\ **Replies:** 0\ **Last updated:** [January 14, 2008, 5:28am UTC](https://www.ruby-forum.com/t/ror-developers-needed-yellowpages-com/196570 "2008-01-14T05:28:56Z")
YELLOWPAGES.COM is an exciting Internet Yellow Pages and local search company that creates and markets the latest products for online advertising, including state-of-the-art wireless, video and audio products. We’ve… --- ## [Whiser selection of user/roles engines](https://www.ruby-forum.com/t/whiser-selection-of-user-roles-engines/125652)
**Author:** [@comopasta](https://www.ruby-forum.com/u/comopasta)\ **Replies:** 1\ **Last updated:** [January 10, 2008, 11:54pm UTC](https://www.ruby-forum.com/t/whiser-selection-of-user-roles-engines/125652 "2008-01-10T23:54:31Z")
Hi, I just need to offer my application user’s means to login to the system. And be able to assign different roles to those users to protect access to different views of the application. Typical stuff. I’m a bit conf… --- ## [\[ANN\] Resurrection of the Login Engine](https://www.ruby-forum.com/t/ann-resurrection-of-the-login-engine/125542)
**Author:** [@xmg-eric](https://www.ruby-forum.com/u/xmg-eric)\ **Replies:** 0\ **Last updated:** [January 10, 2008, 1:15am UTC](https://www.ruby-forum.com/t/ann-resurrection-of-the-login-engine/125542 "2008-01-10T01:15:49Z")
I have posted some code that is an attempt to resurrect the Login Engine after it’s death about a year ago\[1\]. You can find it in the following two plugins: http://loginui.rubyforge.org/ http://authentication.rubyfor… --- ## [Another Engines 2.0 problem](https://www.ruby-forum.com/t/another-engines-2-0-problem/125118)
**Author:** [@Sean\_Schofield](https://www.ruby-forum.com/u/Sean_Schofield)\ **Replies:** 3\ **Last updated:** [January 6, 2008, 10:18am UTC](https://www.ruby-forum.com/t/another-engines-2-0-problem/125118 "2008-01-06T10:18:24Z")
I’m having a brand new problem that seems to be caused by either Engines 2.0 and/or Rails 2.0.2. Everything was working fine until I upgraded both of these. I’m getting this message when I refresh a page. A copy of… --- ## [Engines' related Rails Development Mode errors (solved I think)](https://www.ruby-forum.com/t/engines-related-rails-development-mode-errors-solved-i-think/125117)
**Author:** [@Pascal\_Rettig](https://www.ruby-forum.com/u/Pascal_Rettig)\ **Replies:** 3\ **Last updated:** [January 5, 2008, 11:46pm UTC](https://www.ruby-forum.com/t/engines-related-rails-development-mode-errors-solved-i-think/125117 "2008-01-05T23:46:13Z")
Hi All, I’m pretty new to Engines, but in upgrading a Rails application to 2.0 I decided to move a bunch of modules from the deprecated “components” directory to a new “vendor/modules” directory and Engines seemed lik… --- ## [\[ANN\] Engines 2.0 (ish)](https://www.ruby-forum.com/t/ann-engines-2-0-ish/122596)
**Author:** [@nitr0z](https://www.ruby-forum.com/u/nitr0z)\ **Replies:** 8\ **Last updated:** [December 11, 2007, 10:33pm UTC](https://www.ruby-forum.com/t/ann-engines-2-0-ish/122596 "2007-12-11T22:33:29Z")
Hi all, Just a quick note to let you know, should it be relevant, that we’re readied a new release of the Engines plugin, revamped and ready for Rails 2.0, and would absolutely love for you to start using it and send… --- ## [Engines for Rails 2.0](https://www.ruby-forum.com/t/engines-for-rails-2-0/120769)
**Author:** [@Sven\_F](https://www.ruby-forum.com/u/Sven_F)\ **Replies:** 9\ **Last updated:** [December 10, 2007, 9:59am UTC](https://www.ruby-forum.com/t/engines-for-rails-2-0/120769 "2007-12-10T09:59:07Z")
Hi everybody, I’m highly interested in getting a working Engines setup running on Rails 2.0 as soon as possible. I have convinced a customer to use Engines to slice up a huge Rails app but he wants it to run Rails 2.0 … --- ## [Re: Slowdown after installing engines](https://www.ruby-forum.com/t/re-slowdown-after-installing-engines/121309)
**Author:** [@Trevor\_Rowe](https://www.ruby-forum.com/u/Trevor_Rowe)\ **Replies:** 1\ **Last updated:** [December 3, 2007, 6:28pm UTC](https://www.ruby-forum.com/t/re-slowdown-after-installing-engines/121309 "2007-12-03T18:28:58Z")
Or perhaps a hook that specifies which plugins to check in? Depending on the app one list could be much shorter than the other and getting engines to ignore plugins that should never be checked would be great imho. T… --- ## [Alias\_method error with 1.2.x?](https://www.ruby-forum.com/t/alias-method-error-with-1-2-x/87937)
**Author:** [@cwd](https://www.ruby-forum.com/u/cwd)\ **Replies:** 6\ **Last updated:** [December 3, 2007, 12:24am UTC](https://www.ruby-forum.com/t/alias-method-error-with-1-2-x/87937 "2007-12-03T00:24:40Z")
I’m running edge (6340) and installed a brand new copy of the engines plugin from svn. I start mongrel, and it immediately fails, complaining about alias\_method not being found. Known issue? Thanks --- ## [Slowdown after installing engines](https://www.ruby-forum.com/t/slowdown-after-installing-engines/120934)
**Author:** [@Luke\_Galea](https://www.ruby-forum.com/u/Luke_Galea)\ **Replies:** 0\ **Last updated:** [November 21, 2007, 10:12pm UTC](https://www.ruby-forum.com/t/slowdown-after-installing-engines/120934 "2007-11-21T22:12:32Z")
Hi all! So, I just added the engines plugin to a large app (aprox 20-30 plugins already installed) so that I could write the first engine in that app. It’s working great, but there was a pretty major performance hit.… --- ## [Re: Question about how engine plugin handlesmigrations](https://www.ruby-forum.com/t/re-question-about-how-engine-plugin-handlesmigrations/119402)
**Author:** [@Trevor\_Rowe](https://www.ruby-forum.com/u/Trevor_Rowe)\ **Replies:** 1\ **Last updated:** [November 6, 2007, 8:38pm UTC](https://www.ruby-forum.com/t/re-question-about-how-engine-plugin-handlesmigrations/119402 "2007-11-06T20:38:02Z")
Plugin Migrations have their own version history. Their version numbers are kept in a table called ‘plugin\_schema\_info’, which has 1 row per plugin with migrations. The script/generate plugin\_migration generates clie… --- ## [Question about how engine plugin handles migrations](https://www.ruby-forum.com/t/question-about-how-engine-plugin-handles-migrations/119400)
**Author:** [@Daniel\_Wintschel](https://www.ruby-forum.com/u/Daniel_Wintschel)\ **Replies:** 0\ **Last updated:** [November 6, 2007, 6:59pm UTC](https://www.ruby-forum.com/t/question-about-how-engine-plugin-handles-migrations/119400 "2007-11-06T18:59:01Z")
Hi all, I have a question about how engines deals with migrations (really, I could test this myself, but since I haven’t used engines I was wondering if someone might have a definitive or ‘official’ answer). Let’s … --- ## [How do I determine the used rails version from within Ruby?](https://www.ruby-forum.com/t/how-do-i-determine-the-used-rails-version-from-within-ruby/92436)
**Author:** [@Sebastian\_Winkler](https://www.ruby-forum.com/u/Sebastian_Winkler)\ **Replies:** 1\ **Last updated:** [October 26, 2007, 11:48pm UTC](https://www.ruby-forum.com/t/how-do-i-determine-the-used-rails-version-from-within-ruby/92436 "2007-10-26T23:48:25Z")
How do I determine the used rails version from within Ruby? --- ## [Conflict with Mail Queue and Engines?](https://www.ruby-forum.com/t/conflict-with-mail-queue-and-engines/79304)
**Author:** [@subimage](https://www.ruby-forum.com/u/subimage)\ **Replies:** 6\ **Last updated:** [October 14, 2007, 12:11pm UTC](https://www.ruby-forum.com/t/conflict-with-mail-queue-and-engines/79304 "2007-10-14T12:11:10Z")
I’m trying to use the Mail Queue plugin from: ruby script/plugin install svn://rubyforge.org/var/svn/mail-queue When I try to deliver an email I’m getting the following stack trace. Looks like it’s conflicting with en… --- ## [Overriding model associations](https://www.ruby-forum.com/t/overriding-model-associations/116690)
**Author:** [@Sean\_Schofield](https://www.ruby-forum.com/u/Sean_Schofield)\ **Replies:** 3\ **Last updated:** [October 9, 2007, 4:31pm UTC](https://www.ruby-forum.com/t/overriding-model-associations/116690 "2007-10-09T16:31:23Z")
I seem to recall reading that engines will not allow you to override your plugin models in the main application. Is that true? If so, is there a simple hack that would allow me to override an association? I have the… --- ## [Webrick for project won't start anymore](https://www.ruby-forum.com/t/webrick-for-project-wont-start-anymore/116664)
**Author:** [@jackmacokc](https://www.ruby-forum.com/u/jackmacokc)\ **Replies:** 0\ **Last updated:** [October 8, 2007, 4:22pm UTC](https://www.ruby-forum.com/t/webrick-for-project-wont-start-anymore/116664 "2007-10-08T16:22:48Z")
Hi, I am not sure what I did. I really didn’t change anything, but… I can’t get webrick to start anymore for my project. I can get it to start on an old copy of the project… I am fairly new to Ruby/Rails and ended up… --- ## [Rails 1.2.4](https://www.ruby-forum.com/t/rails-1-2-4/116645)
**Author:** [@davidstokar](https://www.ruby-forum.com/u/davidstokar)\ **Replies:** 2\ **Last updated:** [October 8, 2007, 2:16pm UTC](https://www.ruby-forum.com/t/rails-1-2-4/116645 "2007-10-08T14:16:30Z")
Will there be a new release of engines to support 1.2.4 or does it work out of the box already? We have a few apps on engines 1.2 but want to wait for some official confirmation before we take the plunge and upgrade t… --- ## [Has\_many\_polymorphs\_plugin breaks routes](https://www.ruby-forum.com/t/has-many-polymorphs-plugin-breaks-routes/115797)
**Author:** [@Sean\_Schofield](https://www.ruby-forum.com/u/Sean_Schofield)\ **Replies:** 2\ **Last updated:** [October 8, 2007, 1:12am UTC](https://www.ruby-forum.com/t/has-many-polymorphs-plugin-breaks-routes/115797 "2007-10-08T01:12:17Z")
Just started playing with Engines (excellent work btw.) Anyways everything was working fine in my plugin until I added has\_many\_with\_polymorphs plugin into the mix. Then all of a sudden my routes are broken. Everyt… --- ## [Reloading of lib files in development mode](https://www.ruby-forum.com/t/reloading-of-lib-files-in-development-mode/106500)
**Author:** [@reven](https://www.ruby-forum.com/u/reven)\ **Replies:** 1\ **Last updated:** [October 2, 2007, 8:16am UTC](https://www.ruby-forum.com/t/reloading-of-lib-files-in-development-mode/106500 "2007-10-02T08:16:21Z")
Hi, I’ve been using engines for one month now and find it perfect so far, it helped me a lot to keep separate my admin interface code from the main app. Congratulation for this plugin ! I do use some modules to keep … --- ## [Login\_engine license?](https://www.ruby-forum.com/t/login-engine-license/81546)
**Author:** [@unknown](https://www.ruby-forum.com/u/unknown)\ **Replies:** 3\ **Last updated:** [September 25, 2007, 10:43pm UTC](https://www.ruby-forum.com/t/login-engine-license/81546 "2007-09-25T22:43:34Z")
Hi! I can’t seem to find any licensing information for the login\_engine plugin. I notice that the engines plugin is covered by the MIT license (and includes a file called MIT-LICENSE), so I’m assuming that the login… --- ## [Migrations with Engines 1.2?](https://www.ruby-forum.com/t/migrations-with-engines-1-2/83438)
**Author:** [@murfhy](https://www.ruby-forum.com/u/murfhy)\ **Replies:** 3\ **Last updated:** [September 25, 2007, 10:41pm UTC](https://www.ruby-forum.com/t/migrations-with-engines-1-2/83438 "2007-09-25T22:41:39Z")
So do I have to install plugin\_migrations to run my migrations now? I installed the plugin\_dependencies, loaded\_plugins, and plugin\_migrations plugins (uggggh) and rake db:migrate:plugins gibs with: rake aborted! ca… --- ## [Tests fail when overwriting models](https://www.ruby-forum.com/t/tests-fail-when-overwriting-models/114947)
**Author:** [@Alex\_Kroman](https://www.ruby-forum.com/u/Alex_Kroman)\ **Replies:** 1\ **Last updated:** [September 24, 2007, 11:32am UTC](https://www.ruby-forum.com/t/tests-fail-when-overwriting-models/114947 "2007-09-24T11:32:43Z")
Hi all, I just converted one of our internal applications to use engines and am really impressed so far. I’m hoping you can help me clear up a bit of a problem I am having. I set up a new application using the engin… --- ## [Models...revisited](https://www.ruby-forum.com/t/models-revisited/114595)
**Author:** [@subimage](https://www.ruby-forum.com/u/subimage)\ **Replies:** 2\ **Last updated:** [September 17, 2007, 1:24pm UTC](https://www.ruby-forum.com/t/models-revisited/114595 "2007-09-17T13:24:25Z")
Reviving a 2 year old thread, how is everyone extending their models in engines these days? I’m attempting to move Substruct to a module system as described here: http://www.ruby-forum.com/topic/51339 …but I’m gettin… --- ## [\[ANN\] Beta Testing needed for Toolbawks Packer v1.0.0](https://www.ruby-forum.com/t/ann-beta-testing-needed-for-toolbawks-packer-v1-0-0/114279)
**Author:** [@nshb](https://www.ruby-forum.com/u/nshb)\ **Replies:** 0\ **Last updated:** [September 10, 2007, 9:32pm UTC](https://www.ruby-forum.com/t/ann-beta-testing-needed-for-toolbawks-packer-v1-0-0/114279 "2007-09-10T21:32:30Z")
Hey… so I just rearchitected the AssetPackager written by Scott B. into Toolbawks Packer. The major change is no more configuration. It’s all done automatically and is as automated as possible. The new plugin now w… --- ## [Don't know how to build task 'db:migrate:engines'](https://www.ruby-forum.com/t/dont-know-how-to-build-task-dbengines/114038)
**Author:** [@Randy\_Francisco](https://www.ruby-forum.com/u/Randy_Francisco)\ **Replies:** 1\ **Last updated:** [September 7, 2007, 9:24am UTC](https://www.ruby-forum.com/t/dont-know-how-to-build-task-dbengines/114038 "2007-09-07T09:24:08Z")
Hi Peeps I tried running this command "rake engine\_migrate” and it gives me this error (rake aborted! Don’t know how to build task ‘db:migrate:engines’ ). Base on what I have read in this mailing list it has somethin… --- ## [Exception notification plugin doesn't like Rails Engines?](https://www.ruby-forum.com/t/exception-notification-plugin-doesnt-like-rails-engines/111100)
**Author:** [@Ron\_Evans](https://www.ruby-forum.com/u/Ron_Evans)\ **Replies:** 2\ **Last updated:** [August 29, 2007, 5:04pm UTC](https://www.ruby-forum.com/t/exception-notification-plugin-doesnt-like-rails-engines/111100 "2007-08-29T17:04:59Z")
After I installed the Engines plugin, I see that the exception\_notification plugin now seems to be unhappy. Specifically, when I start my Rails app it can no longer find ‘exception\_notifier\_helper’. This line is par… [Previous page](https://www.ruby-forum.com/c/ruby-on-rails/rails-engines/9.md?page=2) [Next page](https://www.ruby-forum.com/c/ruby-on-rails/rails-engines/9.md?page=4)