# User\_engine installation problem **URL:** \ **Category:** Engines\ **Created:** [January 29, 2006, 1:22pm UTC](https://www.ruby-forum.com/t/user-engine-installation-problem/53215 "2006-01-29T13:22:46Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![brucer](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/b/a88e4f/32.png) [@brucer](https://www.ruby-forum.com/u/brucer)\ **Post date:** [January 29, 2006, 1:22pm UTC](https://www.ruby-forum.com/t/user-engine-installation-problem/53215/1 "2006-01-29T13:22:46Z")
Hello All, I am trying to install user\_engine, but am unable to get the rake commands to work. For example, when I run rake bootstrap I get the following error: rake aborted! PGError: ERROR: relation “permission” does not exist : SELECT a.attname, format\_type(a.atttypid, a.atttypmod), d.adsrc, a .attnotnull FROM pg\_attribute a LEFT JOIN pg\_attrdef d ON a.attrelid = d.adrelid AND a.attnum = d.adnum WHERE a.attrelid = ‘permission’::regclass AND a.attnum \> 0 AND NOT a.attisdropped ORDER BY a.attnum I know that there is no table called “permission” because the table is called “permission\_table” as specified in the Permission model class: class Permission \< ActiveRecord::Base set\_table\_name UserEngine.config(:permission\_table) has\_and\_belongs\_to\_many :roles, :join\_table =\> UserEngine.config(:permission\_role\_table) Can anyone throw any light on this? I am using Rails 1.0, PostgreSQL 8.0.3, and Windows XP. Many thanks, Bruce. ---
**Author:** ![brucer](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/b/a88e4f/32.png) [@brucer](https://www.ruby-forum.com/u/brucer)\ **Post date:** [January 29, 2006, 9:44pm UTC](https://www.ruby-forum.com/t/user-engine-installation-problem/53215/2 "2006-01-29T21:44:53Z")
Have you by chance turned off pluralization? -nb ```auto Nathaniel S. H. Brown http://nshb.net ``` ---
**Author:** ![brucer](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/b/a88e4f/32.png) [@brucer](https://www.ruby-forum.com/u/brucer)\ **Post date:** [January 29, 2006, 9:50pm UTC](https://www.ruby-forum.com/t/user-engine-installation-problem/53215/3 "2006-01-29T21:50:55Z")
On 1/29/06, Bruce R. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote: > I know that there is no table called “permission” because the table is > called “permission\_table” as specified in the Permission model class: > > class Permission \< ActiveRecord::Base > > set\_table\_name UserEngine.config(:permission\_table) This doesn’t mean the table is actually called “permission\_table”; rather that it uses the value stored in the CONFIG for the UserEngine with the key :permission\_table. The defaults are ‘permission’ or ‘permissions’ (depending on whether or not you’ve turned on pluralisation. Unless, of course, you’ve set this explicitly - it wasn’t clear in your post. Assuming that you didn’t specify any custom table names, what tables do you have in your database? - james ---
**Author:** ![brucer](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/b/a88e4f/32.png) [@brucer](https://www.ruby-forum.com/u/brucer)\ **Post date:** [January 30, 2006, 12:35pm UTC](https://www.ruby-forum.com/t/user-engine-installation-problem/53215/4 "2006-01-30T12:35:08Z")
Hello James, Thanks for the post. I was unable to get the migrate scripts to work and therefore created the tables by hand. However being new to Ruby and Rails I mistakenly thought that the table was called permission\_table not permission or permissions and set the table up accordingly. I guess I should have asked for input on why I couldn’t get the migrate scripts to work, so I will ask that now. I tried to set up the database by running “rake engine\_migrate ENGINE=login” and “rake engine\_migrate ENGINE=user” from the root directory of my project, but received the following output: Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1985-2001 Microsoft Corp. C:\radrails-projects\PhicorpBooking\>rake engine\_migrate ENGINE=login (in C:/radrails-projects/PhicorpBooking) The db/migrate directory for engine ‘login\_engine’ appears to be missing. Should be: C:/radrails-projects/PhicorpBooking/config/…/C:/radrails-projects/Ph icorpBooking/config/…/vendor/plugins/login\_engine/db/migrate C:\radrails-projects\PhicorpBooking\>rake engine\_migrate ENGINE=user (in C:/radrails-projects/PhicorpBooking) The db/migrate directory for engine ‘user\_engine’ appears to be missing. Should be: C:/radrails-projects/PhicorpBooking/config/…/C:/radrails-projects/Ph icorpBooking/config/…/vendor/plugins/user\_engine/db/migrate Could you tell me why I received the above output, and how the schema.rb file in db directory is used (I have done nothing with the two schema.rb files)? Many thanks, Bruce. ----- Original Message ----- From: “James A.” [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) To: “Discussion of the use of existing Engines” [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) Sent: Monday, January 30, 2006 4:48 AM Subject: Re: [Engine-users] user\_engine installation problem ---
**Author:** ![brucer](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/b/a88e4f/32.png) [@brucer](https://www.ruby-forum.com/u/brucer)\ **Post date:** [January 30, 2006, 12:44pm UTC](https://www.ruby-forum.com/t/user-engine-installation-problem/53215/5 "2006-01-30T12:44:46Z")
Hi Bruce, The problem is described here, and a release including this fix will be forthcoming in the next few days: [https://opensvn.csie.org/traccgi/rails\_engines/trac.cgi/ticket/61](https://opensvn.csie.org/traccgi/rails_engines/trac.cgi/ticket/61) - james ---
**Author:** ![brucer](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/b/a88e4f/32.png) [@brucer](https://www.ruby-forum.com/u/brucer)\ **Post date:** [February 3, 2006, 12:35pm UTC](https://www.ruby-forum.com/t/user-engine-installation-problem/53215/6 "2006-02-03T12:35:05Z")
This bug is now fixed and available in the Engines plugin 1.0.6 On 1/30/06, James A. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote: > > I tried to set up the database by running “rake engine\_migrate ENGINE=login” > > C:/radrails-projects/PhicorpBooking/config/…/C:/radrails-projects/Ph > > file in db directory is used (I have done nothing with the two schema.rb > > Sent: Monday, January 30, 2006 4:48 AM > > > > > - james > > > 27/01/2006 > > > > * * * > > > > 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) – - J \* ~ ---
**Author:** ![brucer](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/b/a88e4f/32.png) [@brucer](https://www.ruby-forum.com/u/brucer)\ **Post date:** [January 30, 2006, 12:41pm UTC](https://www.ruby-forum.com/t/user-engine-installation-problem/53215/7 "2006-01-30T12:41:36Z")
> Could you tell me why I received the above output, and how the schema.rb > file in db directory is used (I have done nothing with the two schema.rb > files)? This is a bug in Engine’s rake file, which mistakenly adds two RAILS\_ROOT to the path (as you can see). Piotr