Lucas Avanço created OPENNLP-1369:
-------------------------------------
Summary: NPE when serializing a TokenNameFinder model trained with
POSTaggerNameFeatureGeneratorFactory
Key: OPENNLP-1369
URL: https://issues.apache.org/jira/browse/OPENNLP-1369
Project: OpenNLP
Issue Type: Bug
Reporter: Lucas Avanço
There is an issue of null pointer when trying to serialize a TokenNameFinder
model trained using as one of feature generators
POSTaggerNameFeatureGeneratorFactory.
In this method
opennlp.tools.util.model.{*}BaseModel#serialize{*}(java.io.OutputStream) there
is a for which iterates over the artifactMap of the POS-model that must be
serialized together, but a NPE occurs because *generator.featuregen* is not
found inside of *pt-pos-perceptron.zip*
<generator class="opennlp.tools.util.featuregen.WindowFeatureGeneratorFactory">
<int name="prevLength">2</int>
<int name="nextLength">2</int>
<generator
class="opennlp.tools.util.featuregen.POSTaggerNameFeatureGeneratorFactory">
<str name="model">pt-pos-perceptron.zip</str>
</generator>
</generator>
This is the POS-tagger model used:
http://opennlp.sourceforge.net/models-1.5/pt-pos-perceptron.bin
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