Matthew Ford matthewford

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This readme is a mixture of everything I read on SO+nokogiri wiki, which ultimately worked out for me.

Here are the steps which worked for me to get rid of segfaults with Nokogiri 1.4.4, on both Lion and Snow Leopard, with Ruby 1.8.7 (patchlevel 334 and +).

First diagnose which version of libxml2 you're using:

bundle exec nokogiri -v

If you have 2.7.3 listed somewhere, you're in bad waters (known to segfault). Install this:

	<html>
	<head>
	<script type="text/javascript" src="http://code.jquery.com/jquery-1.4.4.min.js"></script>
	<script type="text/javascript">
	$(document).ready(function() {
	var ad = $("#ad-1");
	var pos = ad.offset();
	var adWrapID = ad.next().attr('id');
	var adWrap = $('#'+adWrapID);
	adWrap.offset(pos);

	[~/Documents/Dev/tastyrepo]$ bundle exec rails s *[master]
	=> Booting WEBrick
	=> Rails 3.2.1 application starting in development on http://0.0.0.0:3000
	=> Call with -d to detach
	=> Ctrl-C to shutdown server
	/Users/matt/Documents/Dev/tastyrepo/config/environments/development.rb:38: warning: already initialized constant VERIFY_PEER
	[2012-02-23 15:14:11] INFO WEBrick 1.3.1
	[2012-02-23 15:14:11] INFO ruby 1.9.2 (2011-07-09) [x86_64-darwin11.2.0]
	[2012-02-23 15:14:11] INFO WEBrick::HTTPServer#start: pid=3387 port=3000

	source :rubygems

	gem 'rails', '3.0.3'

	gem 'mongo', '1.6.0'
	gem 'bson_ext', '1.6.0'
	gem 'mongoid', '~> 2.2.4'
	gem 'devise', '~> 1.5.3'
	gem 'formtastic', '~> 1.2.4'

	FIXME:
	WARNING: Nokogiri was built against LibXML version 2.7.3, but has dynamically loaded 2.7.8
	or
	libxml_ruby.bundle: dlsym(0x10fde1900, Init_libxml_ruby): symbol not found


	gem uninstall nokogiri libxml-ruby

	brew update
	brew uninstall libxml2

	def self.make_utf8_clean
	mappings = [ ['Î±', 'α'],
	['ÃŸ', 'β'],
	['Î²', 'β'],
	['â€™', '’'],
	['â€œ', '“'],
	['â€\u009D;', '”'],
	['â€', '”'],
	['Ã¶', 'ö'],
	['Â®', '®']

	<cluster-user>admin</cluster-user>
	<cluster-password>mypassword</cluster-password>

	Code:
	https://github.com/alphagov/whitehall/tree/rails-upgrade