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comp.lang.ruby

File loading problems using rdf-redland gem

Rob .

10/8/2004 5:42:00 PM

When I try to run a ruby script that uses rdf-redland I get the
following "No such file to load" error. Possibly it is not finding my
installation of redland?

> ruby -rubygems parse.rb
/usr/local/lib/ruby/site_ruby/1.8/rubygems/loadpath_manager.rb:5:in
`require__': No such file to load -- redland (LoadError)
from /usr/local/lib/ruby/site_ruby/1.8/rubygems/loadpath_manager.rb:5:in
`require'
from /usr/local/lib/ruby/gems/1.8/gems/rdf-redland-0.5.1.3/lib/rdf/redland/store.rb:1
from /usr/local/lib/ruby/site_ruby/1.8/rubygems/loadpath_manager.rb:5:in
`require__'
from /usr/local/lib/ruby/site_ruby/1.8/rubygems/loadpath_manager.rb:5:in
`require'
from /usr/local/lib/ruby/gems/1.8/gems/rdf-redland-0.5.1.3/lib/rdf/redland/model.rb:2
from /usr/local/lib/ruby/site_ruby/1.8/rubygems/loadpath_manager.rb:5:in
`require__'
from /usr/local/lib/ruby/site_ruby/1.8/rubygems/loadpath_manager.rb:5:in
`require'
from /usr/local/lib/ruby/gems/1.8/gems/rdf-redland-0.5.1.3/lib/rdf/redland.rb:1
from /usr/local/lib/ruby/site_ruby/1.8/rubygems/loadpath_manager.rb:5:in
`require__'
from /usr/local/lib/ruby/site_ruby/1.8/rubygems/loadpath_manager.rb:5:in
`require'
from parse.rb:1

Here's my script (parse.rb):

require 'rdf/redland'
include Redland
model = Model.new
parser = Parser.raptor
parser.parse_into_model(model,'allpolls.rdf')
p model.methods

I'm running on GNU/Linux (Fedora Core 1). I have rdf-redland0.5.1.3 installed:
> gem list rdf
rdf-redland (0.5.1.3)

I have compiled and installed redland 0.9.18:
> ./configure --with-ruby
> make
> make install

Any ideas on how to prevent the "No such file to load -- redland" error?

Cheers,
Rob
2 Answers

Chad Fowler

10/8/2004 8:56:00 PM

0

On Sat, 9 Oct 2004 02:41:57 +0900, Rob . <rob.02004@gmail.com> wrote:
> When I try to run a ruby script that uses rdf-redland I get the
> following "No such file to load" error. Possibly it is not finding my
> installation of redland?
>
> > ruby -rubygems parse.rb
> /usr/local/lib/ruby/site_ruby/1.8/rubygems/loadpath_manager.rb:5:in
> `require__': No such file to load -- redland (LoadError)
> from /usr/local/lib/ruby/site_ruby/1.8/rubygems/loadpath_manager.rb:5:in
> `require'
> from /usr/local/lib/ruby/gems/1.8/gems/rdf-redland-0.5.1.3/lib/rdf/redland/store.rb:1
> from /usr/local/lib/ruby/site_ruby/1.8/rubygems/loadpath_manager.rb:5:in
> `require__'
> from /usr/local/lib/ruby/site_ruby/1.8/rubygems/loadpath_manager.rb:5:in
> `require'
> from /usr/local/lib/ruby/gems/1.8/gems/rdf-redland-0.5.1.3/lib/rdf/redland/model.rb:2
> from /usr/local/lib/ruby/site_ruby/1.8/rubygems/loadpath_manager.rb:5:in
> `require__'
> from /usr/local/lib/ruby/site_ruby/1.8/rubygems/loadpath_manager.rb:5:in
> `require'
> from /usr/local/lib/ruby/gems/1.8/gems/rdf-redland-0.5.1.3/lib/rdf/redland.rb:1
> from /usr/local/lib/ruby/site_ruby/1.8/rubygems/loadpath_manager.rb:5:in
> `require__'
> from /usr/local/lib/ruby/site_ruby/1.8/rubygems/loadpath_manager.rb:5:in
> `require'
> from parse.rb:1
>

Hi Rob,

Looks like you've found a RubyGems bug. I think we have seen
something similar since 0.8.1 was released, so we should be able to
figure it out pretty quickly.

Thanks for the report.

Chad

Rob .

10/8/2004 9:42:00 PM

0

On Sat, 9 Oct 2004 05:55:31 +0900, Chad Fowler <chadfowler@gmail.com> wrote:
> On Sat, 9 Oct 2004 02:41:57 +0900, Rob . <rob.02004@gmail.com> wrote:
> > When I try to run a ruby script that uses rdf-redland I get the
> > following "No such file to load" error. Possibly it is not finding my
> > installation of redland?
> >
> > > ruby -rubygems parse.rb
> > /usr/local/lib/ruby/site_ruby/1.8/rubygems/loadpath_manager.rb:5:in
> > `require__': No such file to load -- redland (LoadError)
> > from /usr/local/lib/ruby/site_ruby/1.8/rubygems/loadpath_manager.rb:5:in
>> ...
>
> Hi Rob,
>
> Looks like you've found a RubyGems bug. I think we have seen
> something similar since 0.8.1 was released, so we should be able to
> figure it out pretty quickly.
>
> Thanks for the report.
>
> Chad

Chad, are there any work-arounds you can suggest in the meantime? I'd
like to give rdf-redland a whirl. ;-)

My first thought had been that I had missed a step when doing the
configure, make, install of the redland c library.

Thanks,
Rob