[ruby-core:41075] [Backport93 - Backport #5642][Rejected] dump format error for symbol(0x6) - related to issue #5564

Issue #5642 has been updated by Nobuyoshi Nakada.

Status changed from Open to Rejected

> conversions = Marshal.load(File.read(filename))

Use File.binread.
----------------------------------------
Backport #5642: dump format error for symbol(0x6) - related to issue #5564
http://redmine.ruby-lang.org/issues/5642

Author: Laughing John
Status: Rejected
Priority: Normal
Assignee: 
Category: 
Target version: 


I'm new to rails so it could be me, but I'm trying to run a newly created empty rails project on Windows 7 64 bit and getting the following:

[2011-11-16 11:05:21] INFO  WEBrick 1.3.1
[2011-11-16 11:05:21] INFO  ruby 1.9.3 (2011-10-30) [i386-mingw32]
[2011-11-16 11:05:21] INFO  WEBrick::HTTPServer#start: pid=4192 port=3000
fileName=C:/Ruby193/lib/ruby/gems/1.9.1/gems/actionpack-3.1.2.rc2/lib/action_view/data/encoding_conversions.dump
dump format error for symbol(0x6)
C:/Ruby193/lib/ruby/gems/1.9.1/gems/actionpack-3.1.2.rc2/lib/action_view/template.rb:27:in `load'
C:/Ruby193/lib/ruby/gems/1.9.1/gems/actionpack-3.1.2.rc2/lib/action_view/template.rb:27:in `<top (required)>'
C:/Ruby193/lib/ruby/gems/1.9.1/gems/coffee-rails-3.1.1/lib/coffee/rails/template_handler.rb:17:in `block in <top (required)>'
C:/Ruby193/lib/ruby/gems/1.9.1/gems/activesupport-3.1.2.rc2/lib/active_support/lazy_load_hooks.rb:36:in `instance_eval'
C:/Ruby193/lib/ruby/gems/1.9.1/gems/activesupport-3.1.2.rc2/lib/active_support/lazy_load_hooks.rb:36:in `execute_hook'
C:/Ruby193/lib/ruby/gems/1.9.1/gems/activesupport-3.1.2.rc2/lib/active_support/lazy_load_hooks.rb:43:in `block in run_load_hooks'
C:/Ruby193/lib/ruby/gems/1.9.1/gems/activesupport-3.1.2.rc2/lib/active_support/lazy_load_hooks.rb:42:in `each'
C:/Ruby193/lib/ruby/gems/1.9.1/gems/activesupport-3.1.2.rc2/lib/active_support/lazy_load_hooks.rb:42:in `run_load_hooks'
C:/Ruby193/lib/ruby/gems/1.9.1/gems/actionpack-3.1.2.rc2/lib/action_view/base.rb:216:in `<class:Base>'
C:/Ruby193/lib/ruby/gems/1.9.1/gems/actionpack-3.1.2.rc2/lib/action_view/base.rb:133:in `<module:ActionView>'
C:/Ruby193/lib/ruby/gems/1.9.1/gems/actionpack-3.1.2.rc2/lib/action_view/base.rb:8:in `<top (required)>'
C:/Ruby193/lib/ruby/gems/1.9.1/gems/actionpack-3.1.2.rc2/lib/abstract_controller/view_paths.rb:90:in `view_paths='
C:/Ruby193/lib/ruby/gems/1.9.1/gems/actionpack-3.1.2.rc2/lib/abstract_controller/view_paths.rb:76:in `prepend_view_path'
C:/Ruby193/lib/ruby/gems/1.9.1/gems/railties-3.1.2.rc2/lib/rails/engine.rb:532:in `block (2 levels) in <class:Engine>'
C:/Ruby193/lib/ruby/gems/1.9.1/gems/activesupport-3.1.2.rc2/lib/active_support/lazy_load_hooks.rb:36:in `instance_eval'
C:/Ruby193/lib/ruby/gems/1.9.1/gems/activesupport-3.1.2.rc2/lib/active_support/lazy_load_hooks.rb:36:in `execute_hook'
C:/Ruby193/lib/ruby/gems/1.9.1/gems/activesupport-3.1.2.rc2/lib/active_support/lazy_load_hooks.rb:43:in `block in run_load_hooks'
C:/Ruby193/lib/ruby/gems/1.9.1/gems/activesupport-3.1.2.rc2/lib/active_support/lazy_load_hooks.rb:42:in `each'
C:/Ruby193/lib/ruby/gems/1.9.1/gems/activesupport-3.1.2.rc2/lib/active_support/lazy_load_hooks.rb:42:in `run_load_hooks'
C:/Ruby193/lib/ruby/gems/1.9.1/gems/actionpack-3.1.2.rc2/lib/action_controller/base.rb:234:in `<class:Base>'
C:/Ruby193/lib/ruby/gems/1.9.1/gems/actionpack-3.1.2.rc2/lib/action_controller/base.rb:171:in `<module:ActionController>'
C:/Ruby193/lib/ruby/gems/1.9.1/gems/actionpack-3.1.2.rc2/lib/action_controller/base.rb:3:in `<top (required)>'
C:/Ruby193/lib/ruby/gems/1.9.1/gems/actionpack-3.1.2.rc2/lib/action_dispatch/middleware/static.rb:31:in `ext'
C:/Ruby193/lib/ruby/gems/1.9.1/gems/actionpack-3.1.2.rc2/lib/action_dispatch/middleware/static.rb:15:in `match?'
C:/Ruby193/lib/ruby/gems/1.9.1/gems/actionpack-3.1.2.rc2/lib/action_dispatch/middleware/static.rb:47:in `call'
C:/Ruby193/lib/ruby/gems/1.9.1/gems/railties-3.1.2.rc2/lib/rails/engine.rb:456:in `call'
C:/Ruby193/lib/ruby/gems/1.9.1/gems/rack-1.3.5/lib/rack/content_length.rb:14:in `call'
C:/Ruby193/lib/ruby/gems/1.9.1/gems/railties-3.1.2.rc2/lib/rails/rack/log_tailer.rb:14:in `call'
C:/Ruby193/lib/ruby/gems/1.9.1/gems/rack-1.3.5/lib/rack/handler/webrick.rb:59:in `service'
C:/Ruby193/lib/ruby/1.9.1/webrick/httpserver.rb:138:in `service'
C:/Ruby193/lib/ruby/1.9.1/webrick/httpserver.rb:94:in `run'
C:/Ruby193/lib/ruby/1.9.1/webrick/server.rb:191:in `block in start_thread'

It's failing in template.rb on the line "conversions = Marshal.load(File.read(filename))", the code looks like this:

if defined?(RUBY_ENGINE) && RUBY_ENGINE == 'ruby' && RUBY_VERSION == '1.9.3' && RUBY_PATCHLEVEL == 0
  # This is a hack to work around a bug in Ruby 1.9.3p0:
  # http://redmine.ruby-lang.org/issues/5564
  #
  # Basically, at runtime we may need to perform some encoding conversions on the templates,
  # but if the converter hasn't been loaded by Ruby beforehand (i.e. now), then it won't be
  # able to find it (due to a  bug).
  #
  # However, we don't know what conversions we may need to do a runtime. So we load up a
  # marshal-dumped structure which contains a pre-generated list of all the possible conversions,
  # and we load all of them.
  #
  # In my testing this increased the process size by about 3.9 MB (after the conversions array
  # is GC'd) and took around 170ms to run, which seems acceptable for a workaround.
  #
  # The script to dump the conversions is: https://gist.github.com/1342729

  filename    = File.join(File.dirname(__FILE__), 'data', 'encoding_conversions.dump')
  puts "fileName=" + filename

  begin
    conversions = Marshal.load(File.read(filename))

    conversions.each do |from, to_array|
      to_array.each do |to|
        Encoding::Converter.new(from, to)
      end
    end
  rescue => e
    puts e.message
    puts e.backtrace
  end
end

The comment suggests it's related to issue #5564 which is why I'm raising this here. Apologies if this is the wrong place.

LJ.



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