Re: bibtex2rdf and PB questions

From: Steve Dunham <dunhamsteve_at_gmail.com>
Date: Tue, 21 Feb 2006 06:59:36 -0800

I've seen this before, too. I was importing an N3 file and it failed
in a similar manner. I shortened the file, trying to find the
offending entry, and instead found that my file worked if I had 63
typed resource, but failed if I added the 64th. And it didn't matter
which resource I used for the 64th.

I tried shortening the entries to just a type and a label and the
problem went away. I'd thought the problem was file truncation, but
that would have broken the rdfxml parser in your case. I didn't think
to check the console. (You need a third party hack to enable it in
firefox on Linux.)

I'm seeing these exceptions

06:23:59.060 [...xtIndexModel] Failed to initialize facade model (2769ms)
java.lang.NullPointerException
        at edu.mit.simile.longwell.text.LocalTextIndexModel.internalAddObject(LocalTextIndexModel.java:197)
        at edu.mit.simile.longwell.text.LocalTextIndexModel.internalOnAfterAdd(LocalTextIndexModel.java:165)
        at edu.mit.simile.longwell.text.LocalTextIndexModel.internalInitialize(LocalTextIndexModel.java:142)
        at edu.mit.simile.longwell.text.LocalTextIndexModel.onAfterAdd(LocalTextIndexModel.java:112)
        at edu.mit.simile.longwell.Profile.onAfterAdd(Profile.java:262)
        at edu.mit.simile.longwell.Profile.addData(Profile.java:179)
        at edu.mit.simile.piggyBank.TemporaryProfile.load(TemporaryProfile.java:346)
        at edu.mit.simile.piggyBank.TemporaryProfile$LoadingThread.run(TemporaryProfile.java:141)

followed by:

06:23:59.094 [...xtIndexModel] java.io.IOException: Lock obtain timed
out: Lock_at_/tmp/lucene-cf9cd3f38c2176f7e2d6706eec704423-write.lock
(34ms)
java.lang.RuntimeException: We don't handle AnonymousNodes
        at edu.mit.simile.RDFUtilities.toQueryTerm(RDFUtilities.java:318)
        at edu.mit.simile.RDFUtilities.getObjectOfProperty(RDFUtilities.java:102)
        at edu.mit.simile.longwell.query.project.PropertyProjection.internalGetValue(PropertyProjection.java:123)
        at edu.mit.simile.longwell.query.project.ProjectionBase.getValue(ProjectionBase.java:72)
        at edu.mit.simile.longwell.query.engine.Indexer.indexStrings2(Indexer.java:279)
        at edu.mit.simile.longwell.query.engine.Indexer.indexStrings(Indexer.java:255)
        at edu.mit.simile.longwell.query.engine.Indexer.internalIndex(Indexer.java:81)
        at edu.mit.simile.longwell.query.engine.Indexer.index(Indexer.java:53)
        at edu.mit.simile.longwell.query.engine.QueryEngine$Answer.getIndex(QueryEngine.java:159)
       [... called from a velocity template]
Received on Tue Feb 21 2006 - 14:58:18 EST

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