Erreur de lecture de l'ontologie
salut
j'ai exécuter ce petit code qui me permet d'importer e de lire mon ontologie mais une erreur est survenue et j'arrive pas à le corriger, merci de m'aider
voila le code:
Code:
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| package jena.com.test;
import java.io.InputStream;
import com.hp.hpl.jena.rdf.model.Model;
import com.hp.hpl.jena.rdf.model.ModelFactory;
import com.hp.hpl.jena.util.FileManager;
public class LireOnto {
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
Model model = ModelFactory.createDefaultModel();
String inputFileName = "C://Program Files//Protege_3.2.1//examples//pizza/pizza.owl";
// use the FileManager to find the input file
InputStream file = FileManager.get().open(inputFileName );
if (file == null) {
throw new IllegalArgumentException("File: " + inputFileName
+ " not found");
}
model.read(file, "", "RDF/XML");
// write it to standard out
model.write(System.out);
}
} |
et voila l'erreur:
Code:
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| Exception in thread "main" java.lang.ExceptionInInitializerError
at com.hp.hpl.jena.rdf.model.impl.RDFReaderFImpl.<clinit>(RDFReaderFImpl.java:74)
at com.hp.hpl.jena.rdf.model.impl.ModelCom.<clinit>(ModelCom.java:54)
at com.hp.hpl.jena.rdf.model.ModelFactory.createDefaultModel(ModelFactory.java:142)
at com.hp.hpl.jena.rdf.model.ModelFactory.createDefaultModel(ModelFactory.java:136)
at jena.com.test.LireOnto.main(LireOnto.java:13)
Caused by: java.lang.ClassCastException: org.apache.xerces.dom.DeferredTextImpl cannot be cast to org.w3c.dom.Element
at java.util.XMLUtils.importProperties(XMLUtils.java:97)
at java.util.XMLUtils.load(XMLUtils.java:69)
at java.util.Properties.loadFromXML(Properties.java:852)
at com.hp.hpl.jena.util.Metadata.read(Metadata.java:80)
at com.hp.hpl.jena.util.Metadata.addMetadata(Metadata.java:54)
at com.hp.hpl.jena.util.Metadata.<init>(Metadata.java:48)
at com.hp.hpl.jena.JenaRuntime.<clinit>(JenaRuntime.java:37)
... 5 more |
je me questionne cet erreur est due à quoi et quelle est la solution?
merci d'avance
