Hi,
The CrossValidator is hitting a NPE in a pretty standard use case. I
traced it through, and, when cross-validating, DataIndexer.getContexts is
returning null (and thus, the call to contexts.length is throwing the
exception.) What can I do here?
Thanks,
Walrus theCat
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:36)
at
opennlp.tools.ml.AbstractEventTrainer.train(AbstractEventTrainer.java:93)
at opennlp.tools.namefind.NameFinderME.train(NameFinderME.java:410)
at opennlp.tools.namefind.NameFinderME.train(NameFinderME.java:472)
at
opennlp.tools.namefind.TokenNameFinderCrossValidator.evaluate(TokenNameFinderCrossValidator.java:225)
at precyse.ml.ner.TrainNERModels$.getResults(TrainNERModels.scala:153)
at
precyse.ml.ner.TrainNERModels$$anonfun$main$3.apply(TrainNERModels.scala:58)
at
precyse.ml.ner.TrainNERModels$$anonfun$main$3.apply(TrainNERModels.scala:53)
at
scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:60)
at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47)
at initech.ml.ner.TrainNERModels$.main(TrainNERModels.scala:53)
at initech.ml.ner.TrainNERModels.main(TrainNERModels.scala)
