From: Alex Gian <alexgian@...>
Date: 2006-07-05T15:40:52+09:00
Subject: Problem installing gem

Hi, first post here, hope it's the right forum.

I recently tried to install RoR on two systems, both RedHat9, very 
similar configurations, although the one is a server (hence remote 
installation) the other a  desktop.

On the desktop, the installation was fine, and I got to my test screen 
on port 3000 without problems.

On the server, the system has got stuck on the gem installation, and I 
would like it to get unstuck!  ;)

Here is what ruby setut.rb gives:

=======================================================
>>> [...snip]
install timer.rb /usr/local/lib/ruby/site_ruby/1.8/rubygems
install user_interaction.rb /usr/local/lib/ruby/site_ruby/1.8/rubygems
install validator.rb /usr/local/lib/ruby/site_ruby/1.8/rubygems
install version.rb /usr/local/lib/ruby/site_ruby/1.8/rubygems
<--- lib/rubygems
<--- lib

As of RubyGems 0.8.0, library stubs are no longer needed.
Searching $LOAD_PATH for stubs to optionally delete (may take a 
while)...
...done.
No library stubs found.

>>> [...normally, at this point it would say OK on a good installation...]

/usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in 
`gem_original_require': no such file to load -- zlib (LoadError)
        from 
/usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in 
`require'
        from /usr/local/lib/ruby/site_ruby/1.8/rubygems/package.rb:9
        from 
/usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in 
`require'
        from /usr/local/lib/ruby/site_ruby/1.8/rubygems/builder.rb:7
        from 
/usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in 
`require'
        from /usr/local/lib/ruby/site_ruby/1.8/rubygems.rb:93:in 
`manage_gems'
        from 
/noncrit/downloads/ruby/rubygems-0.9.0/./post-install.rb:70:in 
`install_sources'
        from 
/noncrit/downloads/ruby/rubygems-0.9.0/./post-install.rb:81:in 
`try_run_hook'
        from setup.rb:577:in `run_hook'
        from setup.rb:1315:in `exec_task_traverse'
        from setup.rb:1168:in `exec_install'
        from setup.rb:887:in `exec_install'
        from setup.rb:705:in `invoke'
        from setup.rb:674:in `invoke'
        from setup.rb:1352

=======================================================

Can anyone give any pointers?
BTW, I also tried getting rubygem-0.9.0, but it gave exactly the same 
problem.

Seems to me it's not finding some file it needs, but I don't understand 
enough to see which one it is (or even IF that's the prob)

Thanks people...

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