Adam Jacobs created JENA-1451:
---------------------------------

             Summary: DatasetFactory.createGeneral() never contains default 
graph
                 Key: JENA-1451
                 URL: https://issues.apache.org/jira/browse/JENA-1451
             Project: Apache Jena
          Issue Type: Bug
          Components: ARQ
    Affects Versions: Jena 3.6.0
            Reporter: Adam Jacobs
            Priority: Minor


See: 
http://mail-archives.apache.org/mod_mbox/jena-dev/201712.mbox/<0a67c2ce-f414-3eae-51dc-226768d4facd%40apache.org>
   

        Model m1 = ModelFactory.createDefaultModel();
        m1.add(m1.createResource(), m1.createProperty("foo"), 
m1.createResource());

        Dataset memory = DatasetFactory.create();
        Dataset general = DatasetFactory.createGeneral();

        memory.getDefaultModel().add(m1);
        general.getDefaultModel().add(m1);

        //Memory model contains default graph. General model does not.
        
System.out.println(memory.containsNamedModel(Quad.defaultGraphIRI.getURI()));  
//true
        
System.out.println(general.containsNamedModel(Quad.defaultGraphIRI.getURI()));  
//false



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