From: Luis Lavena <luislavena@...>
Date: 2010-12-09T07:00:43+09:00
Subject: Re: Error installing all gems on Windows Vista

On Dec 7, 10:54 pm, "William C." <wcherr...@gmail.com> wrote:
> Ok, I've run into an issue running the gem install command on Windows
> Vista. Doesn't matter which gem I install (sqllite, rails, rspec,...) I
> get the same error. I can't figure out how to pass a debug switch to gem
> to get more info and the error message is rather vague. Suggestions?
>
> <snip>
>
> Successfully installed sqlite3-ruby-1.3.2-x86-mingw32
> 1 gem installed
> Installing ri documentation for sqlite3-ruby-1.3.2-x86-mingw32...
> ERROR:  While executing gem ... (TypeError)
>     can't convert nil into String
>

can you try "gem install sqlite3-ruby --no-ri --no-rdoc"

Skip the documentation generation and see if that works.

Dunno why is failing on your end, but updating rdoc could solve it
(gem install rdoc --no-ri --no-rdoc)

--
Luis Lavena