javascript - Asset pipeline encoding problems (UTF-8 vs. ASCII-8BIT) with external gem - Stack Overflow

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I'm trying to create a gem that wraps d3.js, Source can be found at

So when I include this gem in my Gemfile

gem "d3-rails", :git => "git://github/iblue/d3-rails.git"

And when I include the javascript in my application.js:

//=require d3

Then my asset pilation fails and my piled application.js just contains

throw Error("Encoding::CompatibilityError: inpatible character encodings: UTF-8 and ASCII-8BIT")

I am using Rails 3.1.3 and ruby-1.9.3-p125. jQuery uses exactly the same gem structure and it works. What am I doing wrong?

EDIT:

I also saw this question: Ruby 1.9 throwing javascript encoding error. This does not apply here, my file is valid UTF-8:

ruby-1.9.3-p125 :001 > d = File.read("./d3.js")
 => [...]
ruby-1.9.3-p125 :002 > d.encoding
 => #<Encoding:UTF-8> 
ruby-1.9.3-p125 :003 > d.valid_encoding?
 => true 

EDIT 2:

I also tried to insert some voodoo in my config/environment.rb. It does not work:

# -*- encoding : utf-8 -*-
# Load the rails application
require File.expand_path('../application', __FILE__)

# --------- VOODOO BEGINS HERE -----------------
Encoding.default_external = Encoding::UTF_8
Encoding.default_internal = Encoding::UTF_8
# --------- END VOODO --------------------------

# Initialize the rails application
Ratecode::Application.initialize!

I'm trying to create a gem that wraps d3.js, Source can be found at https://github./iblue/d3-rails

So when I include this gem in my Gemfile

gem "d3-rails", :git => "git://github./iblue/d3-rails.git"

And when I include the javascript in my application.js:

//=require d3

Then my asset pilation fails and my piled application.js just contains

throw Error("Encoding::CompatibilityError: inpatible character encodings: UTF-8 and ASCII-8BIT")

I am using Rails 3.1.3 and ruby-1.9.3-p125. jQuery uses exactly the same gem structure and it works. What am I doing wrong?

EDIT:

I also saw this question: Ruby 1.9 throwing javascript encoding error. This does not apply here, my file is valid UTF-8:

ruby-1.9.3-p125 :001 > d = File.read("./d3.js")
 => [...]
ruby-1.9.3-p125 :002 > d.encoding
 => #<Encoding:UTF-8> 
ruby-1.9.3-p125 :003 > d.valid_encoding?
 => true 

EDIT 2:

I also tried to insert some voodoo in my config/environment.rb. It does not work:

# -*- encoding : utf-8 -*-
# Load the rails application
require File.expand_path('../application', __FILE__)

# --------- VOODOO BEGINS HERE -----------------
Encoding.default_external = Encoding::UTF_8
Encoding.default_internal = Encoding::UTF_8
# --------- END VOODO --------------------------

# Initialize the rails application
Ratecode::Application.initialize!

• javascript
• ruby-on-rails
• ruby-on-rails-3.1
• rubygems
• asset-pipeline

Share Improve this question Follow edited May 23, 2017 at 11:53 CommunityBot 111 silver badge asked Mar 1, 2012 at 22:42 iblueiblue 30.4k2020 gold badges9292 silver badges129129 bronze badges 2

• Ever tried to check presence of en.wikipedia/wiki/Byte_order_mark ? Also try bisection: remove parts of the file to see, whether things would start working. – kirilloid Commented Mar 6, 2012 at 14:28
• Can you also check the encoding of the application.js? The error says the two files are inpatible, you should check not only that the d3 file is UTF-8, but also that your application.js is. – mixonic Commented Mar 6, 2012 at 15:01

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1 Answer 1

Sorted by: Reset to default 9

Is the error from a WEBrick server or something else? Does rake assets:prepile work? (don't forget to clear the assets after)

If the latter fails, double check the value of your $LANG environment variables is UTF-8 (with env). If the rake task works but the app is failing then it could be the server env vars.

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