Rails - Sep 2008 - Problem using "rake gems:*" with mongrel_cluster, ruby-oci8, and sqlite3-ruby

I''m having trouble using the environment.rb file to manage my gem
dependencies for certain gems. For example, I added "config.gem
mongrel_cluster" to my environment.rb file, and then installed it
through "rake gems install", and it seemed to work fine:

 + sudo rake gems:install
Password:
(in /home/mdelaurentis/src/longview-web)
gem install mongrel_cluster
Bulk updating Gem source index for: http://gems.rubyforge.org/
Successfully installed mongrel_cluster-1.0.5
1 gem installed

But then when I use "rake gems" to list the gems, I get this "no
such
file to load error", and the list of gems shows mongrel_cluster as not
being installed:

[mdelaurentis-lin:~/src/longview-web]
 + sudo rake gems
(in /home/mdelaurentis/src/longview-web)
no such file to load -- mongrel_cluster
/usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in
`gem_original_require''
/usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in
`require''

---- Snip ----

[I] rcov
[I] ar-extensions
[I] json
[I] daemons
[I] mongrel
[I] capistrano
[I] gem_plugin
[ ] mongrel_cluster

As you can see, some of the gems work just fine. I''ve only seen this
problem with mongrel_cluster, sqlite3, and ruby-oci8. I''m using Ruby
1.8.6 and Rails 2.1.1.

Has anyone else encountered this?

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I figured it out. It''s because the configuration was trying to load
the mongrel_cluster, ruby-oci8, and sqlite3-ruby libraries through
''require "<gem-name>"''. I needed to specify
the name for the library
in the environment.rb file, like this:

config.gem "mongrel_cluster", :lib =>
"mongrel_cluster/init"
config.gem "ruby-oci8", :lib => "oci8"
config.gem "sqlite3-ruby", :lib => "sqlite3"

All my other gems had a *.rb file with the same name as the gem, but
these three don''t, so the :lib option must be used.

On Sep 12, 9:30 am, Mike DeLaurentis
<delauren...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> I''m having trouble using the environment.rb file to manage my gem
> dependencies for certain gems. For example, I added "config.gem
> mongrel_cluster" to my environment.rb file, and then installed it
> through "rake gems install", and it seemed to work fine:
>
>  + sudo rake gems:install
> Password:
> (in /home/mdelaurentis/src/longview-web)
> gem install mongrel_cluster
> Bulk updating Gem source index for:http://gems.rubyforge.org/
> Successfully installed mongrel_cluster-1.0.5
> 1 gem installed
>
> But then when I use "rake gems" to list the gems, I get this
"no such
> file to load error", and the list of gems shows mongrel_cluster as not
> being installed:
>
> [mdelaurentis-lin:~/src/longview-web]
>  + sudo rake gems
> (in /home/mdelaurentis/src/longview-web)
> no such file to load -- mongrel_cluster
> /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in
> `gem_original_require''
> /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in
> `require''
>
> ---- Snip ----
>
> [I] rcov
> [I] ar-extensions
> [I] json
> [I] daemons
> [I] mongrel
> [I] capistrano
> [I] gem_plugin
> [ ] mongrel_cluster
>
> As you can see, some of the gems work just fine. I''ve only seen
this
> problem with mongrel_cluster, sqlite3, and ruby-oci8. I''m using
Ruby
> 1.8.6 and Rails 2.1.1.
>
> Has anyone else encountered this?
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Mike, thank you!!, you saved me some complicated workaround around
this:

  config.gem "flickr-fu"
  $ rake gems
  These gems that this application depends on are missing:
   - flickr-fu
  Run "rake gems:install" to install them.

BUT:

  config.gem "flickr-fu", :lib => ''flickr_fu''
  $ rake gems
  [F] flickr-fu

I don''t get why this isn''t stated in the environment.rb
examples more
clearly.

Thanks again, hopefully someone searching this group for something
"config.gem problem load gem installed" will find it :)

Karel

On Sep 12, 7:14 pm, Mike DeLaurentis
<delauren...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> I figured it out. It''s because the configuration was trying to
load
> the mongrel_cluster, ruby-oci8, and sqlite3-ruby libraries through
> ''require "<gem-name>"''. I needed to
specify the name for the library
> in the environment.rb file, like this:
>
> config.gem "mongrel_cluster", :lib =>
"mongrel_cluster/init"
> config.gem "ruby-oci8", :lib => "oci8"
> config.gem "sqlite3-ruby", :lib => "sqlite3"
>
> All my other gems had a *.rb file with the same name as the gem, but
> these three don''t, so the :lib option must be used.
>
> On Sep 12, 9:30 am, Mike DeLaurentis
<delauren...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>
> > I''m having trouble using the environment.rb file to manage my
gem
> > dependencies for certain gems. For example, I added "config.gem
> > mongrel_cluster" to my environment.rb file, and then installed it
> > through "rakegems install", and it seemed to work fine:
>
> >  + sudorakegems:install
> > Password:
> > (in /home/mdelaurentis/src/longview-web)
> > gem install mongrel_cluster
> > Bulk updating Gem source index for:http://gems.rubyforge.org/
> > Successfully installed mongrel_cluster-1.0.5
> > 1 gem installed
>
> > But then when I use "rakegems" to list the gems, I get this
"no such
> > file to load error", and the list of gems shows mongrel_cluster
as not
> > being installed:
>
> > [mdelaurentis-lin:~/src/longview-web]
> >  + sudorakegems
> > (in /home/mdelaurentis/src/longview-web)
> > no such file to load -- mongrel_cluster
> > /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in
> > `gem_original_require''
> > /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in
> > `require''
>
> > ---- Snip ----
>
> > [I] rcov
> > [I] ar-extensions
> > [I] json
> > [I] daemons
> > [I] mongrel
> > [I] capistrano
> > [I] gem_plugin
> > [ ] mongrel_cluster
>
> > As you can see, some of the gems work just fine. I''ve only
seen this
> > problem with mongrel_cluster, sqlite3, and ruby-oci8. I''m
using Ruby
> > 1.8.6 and Rails 2.1.1.
>
> > Has anyone else encountered this?
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