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Posted to issues@opennlp.apache.org by "William Colen (JIRA)" <ji...@apache.org> on 2014/04/11 15:19:21 UTC

[jira] [Created] (OPENNLP-673) Doccat NGramFeatureGenerator not working

William Colen created OPENNLP-673:
-------------------------------------

             Summary: Doccat NGramFeatureGenerator not working
                 Key: OPENNLP-673
                 URL: https://issues.apache.org/jira/browse/OPENNLP-673
             Project: OpenNLP
          Issue Type: Bug
          Components: Doccat
    Affects Versions: 1.6.0
            Reporter: William Colen
            Assignee: William Colen


Training a document categorizer module using NGramFeatureGenerator always fails:

(...)
Dropped event talk.religion.misc:[From:,  (...)
Dropped event talk.religion.misc:[From:, (...)
done.
Sorting and merging events... 

Exception in thread "main" java.lang.NullPointerException
	at opennlp.tools.ml.maxent.GISTrainer.trainModel(GISTrainer.java:264)
	at opennlp.tools.ml.maxent.GIS.trainModel(GIS.java:298)
	at opennlp.tools.ml.maxent.GIS.doTrain(GIS.java:83)
	at opennlp.tools.ml.maxent.GIS.doTrain(GIS.java:1)
	at opennlp.tools.ml.AbstractEventTrainer.train(AbstractEventTrainer.java:93)
	at opennlp.tools.ml.model.TrainUtil.train(TrainUtil.java:53)
	at opennlp.tools.doccat.DocumentCategorizerME.train(DocumentCategorizerME.java:116)
	at opennlp.tools.doccat.DoccatCrossValidator.evaluate(DoccatCrossValidator.java:72)
	at opennlp.tools.cmdline.doccat.DoccatCrossValidatorTool.run(DoccatCrossValidatorTool.java:99)
	at opennlp.tools.cmdline.CLI.main(CLI.java:224)
Done indexing.
Incorporating indexed data for training...  




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