[JENA-1307] Null Pointer Exception when calling UpdateFactory.create()

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Resolved
• Affects Version/s: Jena 3.2.0
• Fix Version/s: Jena 3.3.0
• Component/s: ARQ

Environment

UBUNTU 16,java version "1.8.0_121"
Java(TM) SE Runtime Environment (build 1.8.0_121-b13)
Java HotSpot(TM) 64-Bit Server VM (build 25.121-b13, mixed mode)

• Assignee: Andy Seaborne
• Reporter: Mukhtar Baloch
• Created: 07/Mar/17 13:08
• Updated: 10/May/17 15:35
• Resolved: 07/Mar/17 21:06

Description

When I call UpdateFactory.create()
I get a Null Pointer Exception.
Output
Exception in thread "main" java.lang.ExceptionInInitializerError
at org.apache.jena.rdf.model.impl.ResourceImpl.fresh(ResourceImpl.java:135)
at org.apache.jena.rdf.model.impl.ResourceImpl.<init>(ResourceImpl.java:85)
at org.apache.jena.rdf.model.ResourceFactory$Impl.createResource(ResourceFactory.java:297)
at org.apache.jena.rdf.model.ResourceFactory.createResource(ResourceFactory.java:92)
at org.apache.jena.vocabulary.RDFS.resource(RDFS.java:35)
at org.apache.jena.vocabulary.RDFS.<clinit>(RDFS.java:40)
at org.apache.jena.shared.PrefixMapping.<clinit>(PrefixMapping.java:219)
at org.apache.jena.sparql.core.Prologue.<init>(Prologue.java:38)
at org.apache.jena.update.UpdateRequest.<init>(UpdateRequest.java:46)
at org.apache.jena.update.UpdateFactory.create(UpdateFactory.java:38)
at edu.kit.ecodicology.rdfexample.App.algebra(App.java:80)
at edu.kit.ecodicology.rdfexample.App.main(App.java:140)
Caused by: java.lang.NullPointerException
at org.apache.jena.rdf.model.impl.ModelCom.add(ModelCom.java:1191)
at org.apache.jena.assembler.assemblers.AssemblerGroup$ExpandingAssemblerGroup.implementWith(AssemblerGroup.java:92)
at org.apache.jena.assembler.ConstAssembler.general(ConstAssembler.java:137)
at org.apache.jena.sparql.core.assembler.AssemblerUtils.registerDataset(AssemblerUtils.java:68)
at org.apache.jena.sparql.core.assembler.AssemblerUtils.init(AssemblerUtils.java:60)
at org.apache.jena.query.ARQ.init(ARQ.java:590)
at org.apache.jena.sparql.system.InitARQ.start(InitARQ.java:29)
at org.apache.jena.system.JenaSystem.lambda$init$50(JenaSystem.java:119)
at java.util.ArrayList.forEach(ArrayList.java:1249)
at org.apache.jena.system.JenaSystem.forEach(JenaSystem.java:194)
at org.apache.jena.system.JenaSystem.forEach(JenaSystem.java:171)
at org.apache.jena.system.JenaSystem.init(JenaSystem.java:117)
at org.apache.jena.graph.NodeFactory.<clinit>(NodeFactory.java:32)