Clearing Deprecation Notices:

DEPRECATION WARNING: require "activerecord" is deprecated and will be removed
in Rails 3. Use require "active_record" instead. (called from <top (required)>
at gems/activerecord-2.3.9/lib/activerecord.rb:2)

DEPRECATION WARNING: ActiveSupport::Dependencies.load_paths is deprecated,
please use autoload_paths instead. (called from block in <top (required)> at
apn_on_rails/lib/apn_on_rails/apn_on_rails.rb:61)

DEPRECATION WARNING: ActiveSupport::Dependencies.load_once_paths is deprecated
and removed in Rails 3, please use autoload_once_paths instead. (called from
block in <top (required)> at apn_on_rails/lib/apn_on_rails/apn_on_rails.rb:62)

Gemfile

@@ -14,5 +14,5 @@ group :development do
   gem "jeweler", "~> 1.5.0.pre2"
   gem "rcov", ">= 0"
   gem "actionpack", '~> 2.3.8'
-  gem 'activerecord', "~> 2.3.8"
+  gem 'activerecord', "~> 2.3.8", :require => 'active_record'
 end

lib/apn_on_rails/apn_on_rails.rb

@@ -57,9 +57,14 @@ def initialize(message) # :nodoc:
   path = File.join(File.dirname(__FILE__), 'app', dir)
   $LOAD_PATH << path 
   # puts "Adding #{path}"
-  begin 
-  ActiveSupport::Dependencies.load_paths << path 
-  ActiveSupport::Dependencies.load_once_paths.delete(path) 
+  begin
+    if ActiveSupport::Dependencies.respond_to? :autoload_paths
+      ActiveSupport::Dependencies.autoload_paths << path
+      ActiveSupport::Dependencies.autoload_once_paths.delete(path)
+    else
+      ActiveSupport::Dependencies.load_paths << path 
+      ActiveSupport::Dependencies.load_once_paths.delete(path) 
+    end
   rescue NameError
     Dependencies.load_paths << path 
     Dependencies.load_once_paths.delete(path) 

spec/active_record/setup_ar.rb

@@ -1,5 +1,5 @@
 require 'rubygems'
-require 'activerecord'
+require 'active_record'
 
 logger = Logger.new(STDOUT)
 logger.level = Logger::INFO