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Backport #5564

closed

1.9.3 regression with encoding conversion

Added by jonleighton (Jon Leighton) over 12 years ago. Updated about 12 years ago.

Status:
Closed
[ruby-core:40715]

Description

Hello,

We are experiencing a bug in the Rails test suite against ruby 1.9.3.

The bug looks like this:

  1. Error:
    test_default_external_works(TestERBTemplate):
    ActionView::Template::Error: code converter not found (ISO-8859-1 to UTF-8)
    /home/turnip/Code/rails/actionpack/lib/action_view/template/handlers/erb.rb:83:in encode!' /home/turnip/Code/rails/actionpack/lib/action_view/template/handlers/erb.rb:83:in call'
    /home/turnip/Code/rails/actionpack/lib/action_view/template.rb:252:in compile' /home/turnip/Code/rails/actionpack/lib/action_view/template.rb:189:in compile!'
    /home/turnip/Code/rails/actionpack/lib/action_view/template.rb:142:in block in render' /home/turnip/Code/rails/activesupport/lib/active_support/notifications.rb:55:in instrument'
    /home/turnip/Code/rails/actionpack/lib/action_view/template.rb:141:in render' test/template/template_test.rb:53:in render'
    test/template/template_test.rb:137:in block in test_default_external_works' test/template/template_test.rb:176:in with_external_encoding'
    test/template/template_test.rb:135:in test_default_external_works' /home/turnip/.rvm/gems/ruby-1.9.3-p0/gems/mocha-0.10.0/lib/mocha/integration/mini_test/version_230_to_251.rb:28:in run'

A simplified view of what that code is doing is the following:

s = "hello \u{fc}mlat"
s.force_encoding "ISO-8859-1"
s.encode! 'UTF-8'

However, I have been unable to create any simplified test case for this bug.

What I have been able to find out is the following:

  1. Via git-bisect, I tracked down the changed which introduced the bug (it was not present in 1.9.3-preview1). That change was https://github.com/ruby/ruby/commit/05c2cc90895750255f64254f2491ff0ad77cc13a (r32791)
  2. If I do some sort of conversion at load time in the file action_view/template/handlers/erb.rb, the bug does not occur. For example, if I insert "Encoding::Converter.new('ISO-8859-1', 'UTF-8')" (or the 3 lines above) at the top of the file, I do not experience the bug.

Let me know if I can provide any more information. Also any information about what exactly is triggering this would be very helpful so that we can put a workaround in Rails (if possible).

Thanks


Related issues 1 (0 open1 closed)

Is duplicate of Ruby master - Bug #5279: $SAFEが3以上の時にString#encodeがSecurityErrorを発生させるケースがあるClosed09/06/2011Actions
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