similar to: validates* give me problems

i am trying to validate without saving use the valid? method on my object. however i keep getting the following error (that i reproduced in console) "NoMethodError for field" Any ideas ? thanks adam Loading development environment. >> p = Post.new => #<Post:0x407b6050 @attributes={"created_on"=>nil, "subcat"=>1, "cat"=>nil,

I have a model Product with an attribute ''brand''. Currently it is a simple attribute, however, I am migrating it to a separate model Brand so that I can have other attributes with each brand. I created the the model and created and ran the migration to create the new table. So far so good. Then I created a separate migration to transfer the data. The up method

Hi, In Debian/testing (mysql-5.0.20, ruby1.8, rails 1.1.0) Im trying to follow up the fourdaysonrails tutorial, and when putting: validates_uniqueness_of :category, :message => "Already exists" in /myapplication/app/model/category.rb I get: NoMethodError in Categories#create undefined method `category'' for #<Article:0x407f6418> RAILS_ROOT:

I submitted this earlier, but the web forums went down and I''ve screwed up the thread, so I''m starting over. I''m trying to built a document upload system. The system has a main Document model with different subclasses for different types of documents. With the code below, if I attempt to create a Document, it works fine, but if I attempt to use one of the subclasses, I

Hello all, I am trying to run a unit test in a Rails project of mine (Rails 1.2.2, Ruby 1.8.4 (2005-12-24) [i486-linux]), and am running into the following error: 1) Error: test_pattern_splits(PatternSplitTest): TypeError: $_ value need to be String (nil given) /usr/lib/ruby/gems/1.8/gems/activerecord-1.15.2/lib/active_record/ validations.rb:74:in `split''

Hello, I tried to post this as a bug on the trac site, but whenever I hit submit, I got the error message: --- Precondition Failed The precondition on the request for the URL /newticket evaluated to false. --- Anyway... Let''s say I have the following model classes: --- class Project < ActiveRecord::Base has_many :tasks end class Task < ActiveRecord::Base belongs_to

I have several validations applied to my model: class Quote < ActiveRecord::Base has_many :files validates_presence_of :title, :source, :quote, :message => "Missing Field Required" validates_length_of :title, :source, :maximum => 80, :message => "Maximum Length 80 characters" validates_inclusion_of :year, :in=>1911..2006, :message => "Year must be

I''ve got something like this: class Position < ActiveRecord::Base end class CartItem < Position validates_uniqueness_of :product_id end When I try to save CartItem I get this error: ArgumentError: wrong number of arguments (1 for 2) from /home/joaz/.gem/ruby/1.8/gems/activerecord-2.3.2/lib/active_record/validations.rb:758:in `exists?'' from

Any ideas what would cause the following exception (using the login engine): -------------------------------------- Full executation backtrace: -------------------------------------- [RAILS_ROOT]/vendor/rails/activerecord/lib/active_record/base.rb:1697:in `execute_callstack_for_multiparameter_attributes'' [RAILS_ROOT]/vendor/rails/activerecord/lib/active_record/base.rb:1677:in

Am having trouble with file_column -- on certain crop operations, it says: A TypeError occurred in [controller]#[action]: can''t convert Magick::GravityType into Integer [RAILS_ROOT]/vendor/plugins/trunk/lib/magick_file_column.rb:90:in `crop'' Any advice? Here''s the backtrace: [RAILS_ROOT]/vendor/plugins/trunk/lib/magick_file_column.rb:90:in `crop''

Hey All, I have been unsuccessful at getting the login_engine installed. I have used it before but since the last time I''ve used it I can''t get it to work correctly. I was wondering if someone could help out with the following error: undefined method `password_confirmation='' for #<User:0x2aaaad1421a0> Any Help? Thanks, Adam <<<<<<REST OF

Hi, I have a strange problem that only occurs on the production server. I''ve been banging my head for hours trying to figure it out with no success. Below is a copy of the error from the production log. ActionView::TemplateError (Expected /www/rails_apps/scanlan/current/ public/../config/../app/models/image.rb to define Image) on line #6 of app/views/admin/design/_record.rhtml: 3:

Hi all, I am trying to upgrade my rails 2 app to 3 and am getting this error when trying to login: NoMethodError in AuthenticateController#authenticate undefined method `to_sym'' for nil:NilClass The stack trace is: activerecord (3.2.2) lib/active_record/validations/uniqueness.rb:26:in `validate_each'' activemodel (3.2.2) lib/active_model/validator.rb:153:in

I''ve just done a fresh reinstall of OS X Snow Leopard on my mac, and I''m having all kinds of problems with Rails, but the latest problem has me stumped. Whenever I run rake db:seed to populate my database I hit the following error: ** Invoke db:seed (first_time) ** Invoke environment (first_time) ** Execute environment ** Execute db:seed rake aborted! uninitialized constant

I have the same exact configuration on a dev machine and a production machine. When I put it on a different production machine, I get: #{RAILS_ROOT}/vendor/rails/railties/lib/fcgi_handler.rb:150:in `process_request'' #{RAILS_ROOT}/vendor/rails/railties/lib/fcgi_handler.rb:54:in `process!'' #{RAILS_ROOT}/vendor/rails/railties/lib/fcgi_handler.rb:53:in

Hello list, I''m attempting to deploy my first rails app on textdrive and have run into a problem. I currently have lighttpd running and I am able to start my rails app. When I attempt to visit my site I get an: Application Error (Rails) Investigating my production.log it looks like the app isn''t finding sqlite3, right? Do I need to pack that with the app? What about non

Hi all, I''m trying to make for nicer system error handling, with the help of rescue_action_in_public (see Recipe 47, in ''Rails Recipes'') PROBLEM: While it lets me capture an incorrect db name in database.yml (for example), with lower level errors like when the DB server is just down, I still get the default system error screen for MySQL::ERROR :

I have run into a very strange problem discovered through the use of the acts_as_taggable plugin, but related to quoting/sanitizing the interpolated list in a find_by_sql. Apologies for the length, but I wanted to be complete. ;-) The method from acts_as_taggable.rb is: def find_tagged_with(list) find_by_sql(["SELECT #{table_name}.* FROM #{table_name}, tags,

So after recompiling ruby a few times to get ssl and readline working, fighting with lighty for awhile, and learning a bit more about linux in the process, I think I''m really close to getting i2 up and running. However, when I try to access my wiki, I get either a blank page or an error 500 and the stack trace below gets sent to the log. If I can''t get this working soon

I know this question gets asked a lot but I can''t seem to find the answer when I search through the mailing list. First off here''s my set up. Cent OS 4.3 Apache 2.0 Fast CGI 2.4.0 Rails 1.1 Mysql 5.0 The app starts up fine, but every morning it refuses to start and gives me the dreaded Application error untill I reload Apache. I thought my database was timing out so I added