From: Jason Fr <jason@...>
Date: 2009-10-20T16:26:31+09:00
Subject: BDB::Fatal error from WordNet

I've got a ruby script that calls Ruby-WordNet which in turns calls DBD.
I'm getting an error from DBD that looks like this (there's some debug
output from wordnet's lexicon.rb that I turned on):

$ sh run_everything.sh
Tue Oct 20 03:19:59 EDT 2009
------ now running determine_features.rb
Mode is: 71571
Mode is: 0444
Using readonly flags
Env flags are: 10000000000000000000, dbflags are 0
EnvOptions: {:set_timeout=>50, :set_lk_detect=>1, :set_verbose=>true}
/usr/local/lib/site_ruby/1.8/wordnet/lexicon.rb:121:in `initialize':
Error while opening Ruby-WordNet data files: /usr/share/ruby-wordnet:
Invalid argument (BDB::Fatal)
        from /usr/local/lib/site_ruby/1.8/wordnet/lexicon.rb:121:in
`new'
        from /usr/local/lib/site_ruby/1.8/wordnet/lexicon.rb:121:in
`initialize'
        from ./encoder_tools.rb:145:in `new'
        from ./encoder_tools.rb:145:in `initialize'
        from ./determine_features.rb:32:in `new'
        from ./determine_features.rb:32

The actual line in lexicon.rb that causes this error is:

@env = BDB::Env::new( dbenv, envflags, EnvOptions )

What I can't figure out is which argument here is invalid, or otherwise
what's going wrong.

Possibly useful info: I've successfully built and installed bdb-0.6.5
from source- that's the one I want to be running. However I also have
the libdb4.6-ruby1.8 package installed on the same machine (and
according to apt-cache showpkg it's using 0.6.2-0ubuntu1). So I'm
unclear which actual lib I'm using when this error happens.

Does anyone have any ideas about how to get past this?

Thanks in advance for any and all advice.

Cheers,
-Jason
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