From: "Bartosz Dziewoński" <matma.rex@...>
Date: 2012-07-28T07:27:27+09:00
Subject: Re: db2_connect on ruby 1.8.5 rubygems 1.3.5

It is probably still trying to install the latest version of
multi_json. Install it "alone" first in your chosen version, then
ibm_db shouldn't complain when it sees it already installed.

-- Matma Rex