Well, after I tried everything, I found out that the answer is as simple as: bundle install --deployment (on the server)注意！！！
这样过后Aptana Studio便运行正常！
本人在安装ruby on rails过程感觉学到了很多，希望这篇文章能够对以后安装此类环境有所益处！
CentOS 5.9上搭建Ruby on Rails 环境(2)
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