similar to: Problem with ActiveForm

When testing my app locally I''m getting intermittent errors which are driving me mad! The error is: NameError ((eval):1:in `alias_method'': undefined method `destroy_without_callbacks'' for class `Exercise''): Refreshing the browser sometimes fixes it, as does restarting WEBrick. Annoying to debug as it only happens intermittently. Any ideas on why this is

I just updated my rails application from 2.2.2 to 2.3.2 and the following message is displayed while trying to start with ./script/ server: [code] => Booting Mongrel => Rails 2.3.2 application starting on http://0.0.0.0:3000 /opt/local/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/ active_support/core_ext/module/aliasing.rb:33:in `alias_method'': undefined method `valid?''

Hello, I have a database table with a primary key not being a simple id but three columns. By overriding update() and create() I got Rails to work with that table quit good. Except for the destroy() action. From the resulting trace I can see that the old version of destroy() is called from transaction.rb. I think this lines might be the reason that I''m unable to override detroy():

Hi, I''m trying to get the UserEngine running. I have installed the LoginEngine, added the essential lines to environment.rb / application.rb and application_helper.rb. Worked fine. Then I did the same with the UserEngine and when trying to set up the db: rake engine_migrate ENGINE=user I get: Migrating engine ''user_engine'' rake aborted! stack level too deep But...

Hey folks, have you seen this ever? [user@i ~/rails_project]$ rake rails:update --trace (in /usr/home/rails_project) rake aborted! uninitialized constant ActiveModel::Validations::HelperMethods /usr/local/lib/ruby/gems/1.8/gems/activemodel-3.0.4/lib/active_model/ validations.rb:50 /usr/local/lib/ruby/gems/1.8/gems/activesupport-3.0.4/lib/ active_support/concern.rb:52:in `class_eval''

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''

On an average I get this error twice or thrice a week. After I rebuild the index Event.rebuild_index it works fine. I''m a bit puzzled by this behavior. Why does this happen? I am using AAF. End-of-File Error occured at <except.c>:79 in xraise Error occured in store.c:216 - is_refill current pos = 301, file length = 301 /usr/local/lib/ruby/site_ruby/1.8/ferret/index.rb:517:in

Hi. Whenever I use activerecord I get this error NameError: uninitialized constant Mysql. I installed the mysql 2.7 gem and I''m on Rails 1.1.6 / Ruby 1.8.4. The gem was built successfully using ''gem install -- --with-mysql-config=/usr/local/mysql/bin/mysql_config''. Here''s a sample trace of the error in ''script/console'': >> User.find 1

I started actually using the upload progress handler, and noticed it was leaking memory over time. Looking at the code, I noticed that cancelled uploads weren''t being cleaned up. I bugged Zed about adding a request_abort callback to handlers, but I found a simple way to monkey patch that in: # config/mongrel_upload_progress.conf # yes, this file is being used with -S meaning

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''m having some trouble with the count method on AR objects. Here is a stack trace: >> t.subscriptions.count ArgumentError: wrong number of arguments (2 for 3) from /opt/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/ lib/active_record/calculations.rb:160:in `add_limit!'' from /opt/local/lib/ruby/gems/1.8/gems/activerecord-1.14.4/

Hello Rubyists, I am a bit stumped here. I want to extend the ''load_file'' method in the YAML module. Following along with the PickAxe example of making old methods do new things, I try this in irb: >> module YAML >> alias_method :orig_load_f, :load_file >> def load_file(*args) >> contents = orig_load_f(*args) >>

Hi, I am trying to save a Mechanize object in database (using a Rails Model). But the save operation throws a TypeError Considering that "agent" is an instance of a Rails Model and "user" is defined as a "text" type in the Model. irb(main):039:0> agent.user = WWW::Mechanize.new #<WWW::Mechanize:0xb71295f0 @follow_meta_refresh=false, @key=nil,

Hi, I''m building a frontend for a legacy schema, with tables like this: CREATE TABLE `types` ( `a_type_cd` varchar(6) NOT NULL default '''', `a_type` varchar(30) NOT NULL default '''', PRIMARY KEY (`a_type_cd`) ); The primary key is specified by the user (not auto-generated), and needs to be updateable. I create the following a base class to

Trying to get an otherwise working app (in Rails 2.0.2) up to speed with Rails 2.1.0 and Ruby 1.8.7, I have some broken code I can''t seem to fix: module Pathmaker def self.append_features( base ) base.before_save do |model| model.path = model.name.downcase. gsub( /\ and\ /, ''-'' ). gsub( /\ on\ /, ''-'' ).

Hi, I recently added 2 serialized columns in my class Server : class Server < ActiveRecord::Base serialize :visa, Hash serialize :appli, Array ... No problem in my controller and my application and everything works as expected : Excel exports following the "visa" Hash or "appli" Array are ok. But since I added the visa Hash, I can''t load the record with

Any ideas on why this is? The quantity field in mysql is INT, but I get back a string? This is preventing me from using the increment method. >> @cart = Cart.new => #<Cart:0x2730f40 @new_record=true, @attributes={}> >> @cart.items << Item.find(:first) => [#<Item:0x272d6ec @attributes={"vendor_id"=>"1",

Hi, I get this when searching or adding a new record. I am using today''s version of trunk and gem ferret 0.10.0 any ideas? thanks! EOFError in DvbesController#new End-of-File Error occured at <except.c>:103 in xpop_context Error occured in store.c:197 - is_refill current pos = 0, file length = 182 RAILS_ROOT: script/../config/.. Application Trace | Framework Trace | Full

Hi, Just wondering when one would use "include" over "extend"? Both seem to bring in methods to the class no? The context is I''m just trying to understand why both are used with the acts_as_audited plugin: Full extract from plugin (used within here): ================================================== # Copyright (c) 2006 Brandon Keepers # # Permission is hereby

I have: module MySpike extend ActiveSupport::Concern included do class_attribute :foobar, instance_writer: true end end But, I want to be able to override the class attribute writer and/or instance writer method to do something when the attribute is set via self.foobar = true before or after calling super to set the attribute. Unfortunately, I can''t find a clean way