From: Michael Granger <ged@...>
Date: 2009-10-25T12:20:59+09:00
Subject: Re: BDB::Fatal error from WordNet

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On Oct 20, 2009, at 12:26 AM, Jason Fr wrote:

> 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.

This is happening because the first argument to BDB::Env.new is a  
database directory, and you've given it a directory without a  
database. You'll need to build the Wordnet database using the included  
'convertdb.rb' script and copy the resulting directory to /usr/share/ 
ruby-wordnet, then you should be set.

--
Michael Granger <ged@FaerieMUD.org>
Rubymage, Architect, Believer
The FaerieMUD Consortium <http://www.FaerieMUD.org/>


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