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https://issues.apache.org/jira/browse/JENA-1820?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Greg Albiston reassigned JENA-1820:
-----------------------------------
Assignee: Greg Albiston
> GeometryWrapper::asLiteral throws NullPointerException for GMLDatatype,
> malformed lexicalForm
> ---------------------------------------------------------------------------------------------
>
> Key: JENA-1820
> URL: https://issues.apache.org/jira/browse/JENA-1820
> Project: Apache Jena
> Issue Type: Bug
> Components: Spatial
> Affects Versions: Jena 3.13.1
> Reporter: Philipp Neuschwander
> Assignee: Greg Albiston
> Priority: Major
> Time Spent: 20m
> Remaining Estimate: 0h
>
> GML-Literal of MultiPolygon/Polygon is malformed (generated by GMLWriter).
> Under the gml:exterior and gml:interior node, there should be a linear ring
> that contains the posList. But the posList is generated as a direct child to
> gml:exterior/interior:
> {code:java}
> <gml:MultiSurface xmlns:gml="http://www.opengis.net/ont/gml";
> srsName="http://www.opengis.net/def/crs/OGC/1.3/CRS84";><gml:surfaceMember><gml:Polygon
>
> srsName="http://www.opengis.net/def/crs/OGC/1.3/CRS84";><gml:exterior><gml:posList>0
> 0 10 0 10 10 0 10 0
> 0</gml:posList></gml:exterior><gml:interior><gml:posList>5 5 7 7 7 5 5
> 5</gml:posList></gml:interior><gml:interior><gml:posList>4 4 4 5 5 5 4
> 4</gml:posList></gml:interior></gml:Polygon></gml:surfaceMember></gml:MultiSurface>
> {code}
> The missing linearRing leads to NullPointerException when trying to call
> {code:java}
> geometryWrapper.asLiteral(GMLDatatype.INSTANCE)
> {code}
> as the GMLReader (I have no clue why it is called as part of the
> asLiteral-call) tries to access the linearRing and it's posList child.
> Stackstrace:
> {code}
> java.lang.NullPointerException: null
> at
> org.apache.jena.geosparql.implementation.parsers.gml.GMLReader.extractPosList(GMLReader.java:223)
> ~[jena-geosparql-3.13.1.jar:3.13.1]
> at
> org.apache.jena.geosparql.implementation.parsers.gml.GMLReader.buildLinearRing(GMLReader.java:503)
> ~[jena-geosparql-3.13.1.jar:3.13.1]
> at
> org.apache.jena.geosparql.implementation.parsers.gml.GMLReader.buildPolygon(GMLReader.java:477)
> ~[jena-geosparql-3.13.1.jar:3.13.1]
> at
> org.apache.jena.geosparql.implementation.parsers.gml.GMLReader.buildMultiSurface(GMLReader.java:644)
> ~[jena-geosparql-3.13.1.jar:3.13.1]
> at
> org.apache.jena.geosparql.implementation.parsers.gml.GMLReader.buildGeometry(GMLReader.java:199)
> ~[jena-geosparql-3.13.1.jar:3.13.1]
> at
> org.apache.jena.geosparql.implementation.parsers.gml.GMLReader.<init>(GMLReader.java:108)
> ~[jena-geosparql-3.13.1.jar:3.13.1]
> at
> org.apache.jena.geosparql.implementation.parsers.gml.GMLReader.extract(GMLReader.java:707)
> ~[jena-geosparql-3.13.1.jar:3.13.1]
> at
> org.apache.jena.geosparql.implementation.datatype.GMLDatatype.read(GMLDatatype.java:84)
> ~[jena-geosparql-3.13.1.jar:3.13.1]
> at
> org.apache.jena.geosparql.implementation.index.GeometryLiteralIndex.retrieveMemoryIndex(GeometryLiteralIndex.java:77)
> ~[jena-geosparql-3.13.1.jar:3.13.1]
> at
> org.apache.jena.geosparql.implementation.index.GeometryLiteralIndex.retrieve(GeometryLiteralIndex.java:51)
> ~[jena-geosparql-3.13.1.jar:3.13.1]
> at
> org.apache.jena.geosparql.implementation.datatype.GeometryDatatype.parse(GeometryDatatype.java:57)
> ~[jena-geosparql-3.13.1.jar:3.13.1]
> at
> org.apache.jena.geosparql.implementation.datatype.GeometryDatatype.parse(GeometryDatatype.java:50)
> ~[jena-geosparql-3.13.1.jar:3.13.1]
> at
> org.apache.jena.geosparql.implementation.datatype.GeometryDatatype.parse(GeometryDatatype.java:32)
> ~[jena-geosparql-3.13.1.jar:3.13.1]
> at
> org.apache.jena.graph.impl.LiteralLabelImpl.setValue(LiteralLabelImpl.java:217)
> ~[jena-core-3.13.1.jar:3.13.1]
> at
> org.apache.jena.graph.impl.LiteralLabelImpl.setLiteralLabel_1(LiteralLabelImpl.java:111)
> ~[jena-core-3.13.1.jar:3.13.1]
> at
> org.apache.jena.graph.impl.LiteralLabelImpl.<init>(LiteralLabelImpl.java:100)
> ~[jena-core-3.13.1.jar:3.13.1]
> at
> org.apache.jena.graph.impl.LiteralLabelFactory.create(LiteralLabelFactory.java:50)
> ~[jena-core-3.13.1.jar:3.13.1]
> at
> org.apache.jena.graph.NodeFactory.createLiteral(NodeFactory.java:171)
> ~[jena-core-3.13.1.jar:3.13.1]
> at
> org.apache.jena.rdf.model.ResourceFactory$Impl.createTypedLiteral(ResourceFactory.java:313)
> ~[jena-core-3.13.1.jar:3.13.1]
> at
> org.apache.jena.rdf.model.ResourceFactory.createTypedLiteral(ResourceFactory.java:148)
> ~[jena-core-3.13.1.jar:3.13.1]
> at
> org.apache.jena.geosparql.implementation.GeometryWrapper.asLiteral(GeometryWrapper.java:986)
> ~[jena-geosparql-3.13.1.jar:3.13.1]
> {code}
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