Sinatra issue 126

_part.rhtml

<p>ä</p>

error.txt

$ ruby my_app.rb 
== Sinatra/1.1.0 has taken the stage on 3000 for development with backup from Thin
>> Thin web server (v1.2.7 codename No Hup)
>> Maximum connections set to 1024
>> Listening on localhost:3000, CTRL+C to stop
Encoding::CompatibilityError - incompatible character encodings: US-ASCII and ASCII-8BIT:
 ./views/main.rhtml:9:in `concat'
 ./views/main.rhtml:9:in `block in singletonclass'
 ./views/main.rhtml:65531:in `instance_eval'
 ./views/main.rhtml:65531:in `singletonclass'
 ./views/main.rhtml:65529:in `__tilt_11d33e3bf6b8524e65dd832031a12c6e'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/tilt-1.1/lib/tilt.rb:192:in `evaluate'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/tilt-1.1/lib/tilt.rb:128:in `render'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:452:in `render'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:362:in `erb'
 my_app.rb:19:in `block in <class:MyApp>'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:1033:in `call'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:1033:in `block in compile!'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:620:in `instance_eval'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:620:in `route_eval'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:604:in `block (2 levels) in route!'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:656:in `block in process_route'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:653:in `catch'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:653:in `process_route'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:603:in `block in route!'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:602:in `each'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:602:in `route!'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:741:in `dispatch!'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:530:in `block in call!'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:706:in `instance_eval'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:706:in `block in invoke'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:706:in `catch'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:706:in `invoke'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:530:in `call!'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:516:in `call'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/showexceptions.rb:24:in `call'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/commonlogger.rb:18:in `call'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:1142:in `block in call'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:1168:in `synchronize'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:1142:in `call'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/content_length.rb:13:in `call'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/chunked.rb:15:in `call'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/thin-1.2.7/lib/thin/connection.rb:76:in `block in pre_process'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/thin-1.2.7/lib/thin/connection.rb:74:in `catch'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/thin-1.2.7/lib/thin/connection.rb:74:in `pre_process'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/thin-1.2.7/lib/thin/connection.rb:57:in `process'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/thin-1.2.7/lib/thin/connection.rb:42:in `receive_data'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in `run_machine'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in `run'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/thin-1.2.7/lib/thin/backends/base.rb:57:in `start'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/thin-1.2.7/lib/thin/server.rb:156:in `start'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/handler/thin.rb:14:in `run'
 /opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:1113:in `run!'
 my_app.rb:24:in `<main>'
Encoding::CompatibilityError: incompatible character encodings: US-ASCII and ASCII-8BIT
	./views/main.rhtml:9:in `concat'
	./views/main.rhtml:9:in `block in singletonclass'
	./views/main.rhtml:65531:in `instance_eval'
	./views/main.rhtml:65531:in `singletonclass'
	./views/main.rhtml:65529:in `__tilt_11d33e3bf6b8524e65dd832031a12c6e'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/tilt-1.1/lib/tilt.rb:192:in `evaluate'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/tilt-1.1/lib/tilt.rb:128:in `render'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:452:in `render'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:362:in `erb'
	my_app.rb:19:in `block in <class:MyApp>'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:1033:in `call'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:1033:in `block in compile!'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:620:in `instance_eval'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:620:in `route_eval'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:604:in `block (2 levels) in route!'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:656:in `block in process_route'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:653:in `catch'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:653:in `process_route'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:603:in `block in route!'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:602:in `each'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:602:in `route!'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:741:in `dispatch!'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:530:in `block in call!'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:706:in `instance_eval'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:706:in `block in invoke'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:706:in `catch'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:706:in `invoke'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:530:in `call!'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:516:in `call'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/showexceptions.rb:24:in `call'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/commonlogger.rb:18:in `call'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:1142:in `block in call'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:1168:in `synchronize'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:1142:in `call'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/content_length.rb:13:in `call'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/chunked.rb:15:in `call'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/thin-1.2.7/lib/thin/connection.rb:76:in `block in pre_process'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/thin-1.2.7/lib/thin/connection.rb:74:in `catch'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/thin-1.2.7/lib/thin/connection.rb:74:in `pre_process'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/thin-1.2.7/lib/thin/connection.rb:57:in `process'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/thin-1.2.7/lib/thin/connection.rb:42:in `receive_data'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in `run_machine'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in `run'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/thin-1.2.7/lib/thin/backends/base.rb:57:in `start'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/thin-1.2.7/lib/thin/server.rb:156:in `start'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/handler/thin.rb:14:in `run'
	/opt/rubies/ruby-1.9.2-p0/lib/ruby/gems/1.9.1/gems/sinatra-1.1.0/lib/sinatra/base.rb:1113:in `run!'
	my_app.rb:24:in `<main>'
127.0.0.1 - - [18/Nov/2010 18:25:58] "GET / HTTP/1.1" 500 122504 0.0915
127.0.0.1 - - [18/Nov/2010 18:25:58] "GET /__sinatra__/500.png HTTP/1.1" 304 - 0.0074
^C>> Stopping ...

== Sinatra has ended his set (crowd applauds)

main.rhtml

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">

<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>Test</title>
  </head>
  <body>
    <%= erb :_part %>
    <p>Some text with special char ä here</p>
  </body>
</html>

my_app.rb

#!/usr/bin/env ruby
#Encoding: UTF-8
require "erb"
require "sinatra/base"

class MyApp < Sinatra::Base
  
  set :app_file, __FILE__

  set :root, File.dirname(__FILE__)
  
  configure :development do
    enable :logging
    enable :dump_errors  
    set :bind, "localhost"
  end
  
  get "/" do
    erb :main
  end
  
end

MyApp.run! :host => "localhost", :port => 3000