rake db:migrate problem

imcsk8

/var/lib/gems/1.9.1/gems/activerecord-3.2.8/lib/active_record/connection_adapters/abstract/database_statements.rb

module ActiveRecord
  module ConnectionAdapters # :nodoc:
    module DatabaseStatements
      # Converts an arel AST to SQL
      def to_sql(arel, binds = [])
        if arel.respond_to?(:ast)
          visitor.accept(arel.ast) do     <<<<<<----------
            quote(*binds.shift.reverse)
          end
        else
          arel
        end
      end

------

 rake --trace db:migrate
** Invoke db:migrate (first_time)
** Invoke environment (first_time)
** Execute environment
** Invoke db:load_config (first_time)
** Execute db:load_config
** Execute db:migrate
rake aborted!
undefined method `accept' for nil:NilClass
/var/lib/gems/1.9.1/gems/activerecord-3.2.8/lib/active_record/connection_adapters/abstract/database_statements.rb:7:in `to_sql'
/var/lib/gems/1.9.1/gems/activerecord-3.2.8/lib/active_record/connection_adapters/abstract/database_statements.rb:38:in `select_values'
/var/lib/gems/1.9.1/gems/activerecord-3.2.8/lib/active_record/migration.rb:587:in `get_all_versions'
/var/lib/gems/1.9.1/gems/activerecord-3.2.8/lib/active_record/migration.rb:745:in `migrated'
/var/lib/gems/1.9.1/gems/activerecord-3.2.8/lib/active_record/migration.rb:668:in `current_version'
/var/lib/gems/1.9.1/gems/activerecord-3.2.8/lib/active_record/migration.rb:685:in `block in migrate'
/var/lib/gems/1.9.1/gems/activerecord-3.2.8/lib/active_record/migration.rb:685:in `each'
/var/lib/gems/1.9.1/gems/activerecord-3.2.8/lib/active_record/migration.rb:685:in `detect'
/var/lib/gems/1.9.1/gems/activerecord-3.2.8/lib/active_record/migration.rb:685:in `migrate'
/var/lib/gems/1.9.1/gems/activerecord-3.2.8/lib/active_record/migration.rb:570:in `up'
/var/lib/gems/1.9.1/gems/activerecord-3.2.8/lib/active_record/migration.rb:551:in `migrate'
/var/lib/gems/1.9.1/gems/activerecord-3.2.8/lib/active_record/railties/databases.rake:153:in `block (2 levels) in <top (required)>'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:205:in `call'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:205:in `block in execute'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:200:in `each'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:200:in `execute'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:158:in `block in invoke_with_call_chain'
/usr/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:151:in `invoke_with_call_chain'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:144:in `invoke'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:116:in `invoke_task'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:94:in `block (2 levels) in top_level'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:94:in `each'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:94:in `block in top_level'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:133:in `standard_exception_handling'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:88:in `top_level'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:66:in `block in run'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:133:in `standard_exception_handling'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:63:in `run'
/var/lib/gems/1.9.1/gems/rake-0.9.2.2/bin/rake:33:in `<top (required)>'
/usr/local/bin/rake:19:in `load'
/usr/local/bin/rake:19:in `<main>'
Tasks: TOP => db:migrate

----



    rake db:migrate
    rake aborted!
    undefined method `accept' for nil:NilClass
     
    Tasks: TOP => db:migrate
    (See full trace by running task with --trace)



------

Migration files:

more db/migrate/20120912064250_create_clients.rb 
class CreateClients < ActiveRecord::Migration
  def change
    create_table :clients do |t|
      t.integer :id
      t.string :username
      t.string :password
      t.string :email
      t.string :name
      t.text :comments
      t.integer :credit
      t.iprange :ip

      t.timestamps
    end
  end
end


more db/migrate/20120912064440_create_resellers.rb 
class CreateResellers < ActiveRecord::Migration
  def change
    create_table :resellers do |t|
      t.integer :id
      t.string :username
      t.string :password
      t.string :email
      t.string :name
      t.text :comments
      t.integer :credit
      t.boolean :isadmin

      t.timestamps
    end
  end
end

-------

database.yml

development:
  adapter: mysql2
  database: database_dev
  encoding: utf8
  pool: 5
  username: user
  password: ------
  timeout: 5000
  host: localhost