ERROR Encoding::CompatibilityError

ruby-talk
1

Windows7 32bit
ruby 1.9.2p290 (2011-07-09) [i386-mingw32]
sinatra-1.3.1

my_test.rb

···

------------------------------------------------------------
require 'sinatra/base'

class MyTest < Sinatra::Base
  get '/' do
    erb :index
  end
end

if $0 == __FILE__
  MyTest.run! :server => 'webrick', :port => 80
end
------------------------------------------------------------

views/index.rb
------------------------------------------------------------
Hello
------------------------------------------------------------

Program is very simple!!
But!! Error Occurred!!
Help Me!!

[2011-12-09 13:13:00] ERROR Encoding::CompatibilityError: incompatible
character encodings: ASCII-8BIT and US-ASCII
        C:/Ruby192/lib/ruby/1.9.1/webrick/accesslog.rb:50:in `gsub'
        C:/Ruby192/lib/ruby/1.9.1/webrick/accesslog.rb:50:in `format'
        C:/Ruby192/lib/ruby/1.9.1/webrick/httpserver.rb:166:in `block in
access_log'
        C:/Ruby192/lib/ruby/1.9.1/webrick/httpserver.rb:165:in `each'
        C:/Ruby192/lib/ruby/1.9.1/webrick/httpserver.rb:165:in
`access_log'
        C:/Ruby192/lib/ruby/1.9.1/webrick/httpserver.rb:87:in `run'
        C:/Ruby192/lib/ruby/1.9.1/webrick/server.rb:183:in `block in
start_thread'

--
Posted via http://www.ruby-forum.com/.

2

Have you tried adding the magic encoding comment (see below) to the
top of all your Ruby files?

# coding: utf-8

-- Matma Rex