From: Ryan Davis <ryand-ruby@...>
Date: 2011-02-28T17:54:38+09:00
Subject: Re: "gem NAME, VERSION" && "require NAME" fails due to version conflict


On Feb 27, 2011, at 09:00 , Iņaki Baz Castillo wrote:

> Hi, I must be missing something very obvious but I don't get it. I
> just want to use nokogiri 1.4.3:
> 
> ~# gem list | grep nokogiri
> nokogiri (1.4.4, 1.4.3)
> 
> ~# irb
> irb> gem "nokogiri", "=1.4.3"
> true
> irb> Nokogiri
> NameError: uninitialized constant Object::Nokogiri
> irb> require "nokogiri"
> Gem::LoadError: can't activate nokogiri (= 1.4.4, runtime) for [],
> already activated nokogiri-1.4.3 for []

10002 % gem list nokogiri
nokogiri (1.4.4, 1.4.1)
10003 % irb
>> require "rubygems"
=> true
>> gem "nokogiri", "= 1.4.1"
=> true
>> require "nokogiri"
=> true
>> Nokogiri
=> Nokogiri
10004 % gem -v
1.5.3