(Unable to start rails application) ruby scipt/server error

Rails application which i create manually like

                   rails new blog

and the content of the file “blog/config/boot.rb” are

       require 'rubygems'

Set up gems listed in the Gemfile.

gemfile = File.expand_path(’…/…/Gemfile’, FILE)
begin
ENV[‘BUNDLE_GEMFILE’] = gemfile
require ‘bundler’

Bundler.setup
rescue Bundler::GemNotFound => e
STDERR.puts e.message
STDERR.puts “Try running bundle install.”
exit!
end if File.exist?(gemfile)

                       Now cd blog

                              rails server             is working well and i can access the "localhost:3000" ,

but i have downloaded the source code of site openstreetview (which is also rails application) in which the content of file OpenStreetView/config/boot.rb

are like

                   # Don't change this file!

Configure your app in config/environment.rb and config/environments/*.rb

RAILS_ROOT = “#{File.dirname(FILE)}/…” unless defined?(RAILS_ROOT)

module Rails
class << self
def boot!
unless booted?
preinitialize
pick_boot.run
end
end

def booted?
  defined? Rails::Initializer

end

def pick_boot
  (vendor_rails? ? VendorBoot : GemBoot).new
end

def vendor_rails?
  File.exist?("#{RAILS_ROOT}/vendor/rails")
end

def preinitialize
  load(preinitializer_path) if File.exist?(preinitializer_path)

end

def preinitializer_path
  "#{RAILS_ROOT}/config/preinitializer.rb"
end

end

class Boot
def run
load_initializer
Rails::Initializer.run(:set_load_path)

end

end

class VendorBoot < Boot
def load_initializer
require “#{RAILS_ROOT}/vendor/rails/railties/lib/initializer”
Rails::Initializer.run(:install_gem_spec_stubs)

  Rails::GemDependency.add_frozen_gem_path
end

end

class GemBoot < Boot
def load_initializer
self.class.load_rubygems
load_rails_gem
require ‘initializer’

end

def load_rails_gem
  if version = self.class.gem_version
    gem 'rails', version
  else
    gem 'rails'
  end
rescue Gem::LoadError => load_error

  $stderr.puts %(Missing the Rails #{version} gem. Please `gem install -v=#{version} rails`, update your RAILS_GEM_VERSION setting in config/environment.rb for the Rails version you do have installed, or comment out RAILS_GEM_VERSION to use the latest version installed.)

  exit 1
end

class << self
  def rubygems_version
    Gem::RubyGemsVersion rescue nil
  end

  def gem_version
    if defined? RAILS_GEM_VERSION
      RAILS_GEM_VERSION

    elsif ENV.include?('RAILS_GEM_VERSION')
      ENV['RAILS_GEM_VERSION']
    else
      parse_gem_version(read_environment_rb)
    end
  end

  def load_rubygems

    min_version = '1.3.2'
    require 'rubygems'
    unless rubygems_version >= min_version

$stderr.puts %Q(Rails requires RubyGems >= #{min_version} (you have #{rubygems_version}). Please gem update --system and try again.)

      exit 1
    end

  rescue LoadError
    $stderr.puts %Q(Rails requires RubyGems >= #{min_version}. Please install RubyGems and try again: [http://rubygems.rubyforge.org](http://rubygems.rubyforge.org/))

    exit 1
  end

  def parse_gem_version(text)
    $1 if text =~ /^[^#]*RAILS_GEM_VERSION\s*=\s*["']([!~<>=]*\s*[\d.]+)["']/
  end

  private
    def read_environment_rb

      File.read("#{RAILS_ROOT}/config/environment.rb")
    end
end

end
end

All that for this:

Rails.boot!

                                Now cd OpenStreetView

                                rails server          gives the following error

Usage:
rails new APP_PATH [options]

Options:
-r, [–ruby=PATH] # Path to the Ruby binary of your choice

                          # Default: /usr/local/bin/ruby

-d, [–database=DATABASE] # Preconfigure for selected database (options: mysql/oracle/postgresql/sqlite3/frontbase/ibm_db)
# Default: sqlite3

-b, [–builder=BUILDER] # Path to an application builder (can be a filesystem path or URL)
-m, [–template=TEMPLATE] # Path to an application template (can be a filesystem path or URL)
[–dev] # Setup the application with Gemfile pointing to your Rails checkout

  [--edge]                # Setup the application with Gemfile pointing to Rails repository
  [--skip-gemfile]        # Don't create a Gemfile

-O, [–skip-active-record] # Skip Active Record files

-T, [–skip-test-unit] # Skip Test::Unit files
-J, [–skip-prototype] # Skip Prototype files
-G, [–skip-git] # Skip Git ignores and keeps

Runtime options:
-f, [–force] # Overwrite files that already exist

-p, [–pretend] # Run but do not make any changes
-q, [–quiet] # Supress status output
-s, [–skip] # Skip files that already exist

Rails options:
-v, [–version] # Show Rails version number and quit

-h, [–help] # Show this help message and quit

Description:
The ‘rails new’ command creates a new Rails application with a default
directory structure and configuration at the path you specify.

Example:
rails new ~/Code/Ruby/weblog

This generates a skeletal Rails installation in ~/Code/Ruby/weblog.
See the README in the newly created application to get going.
                            

                                 why this is happening even both are the rails application .Please help me to run the server for openstreetview

Thanks for co-operation.

Hi Amritpal,

OpenStreetView is a Rails version 2.3.4 application. There are large differences between Rails2 and Rails3 which is causing your problem. To solve your problem do the following:

gem uninstall rails

gem install rails -v 2.3.4

cd OpenStreetView

ruby script/server

Let me know if you need any further help.

Regards,

Luke