Brian Vosburgh created JENA-2331:
------------------------------------
Summary: JenaXMLInput does not play will with Woodstox
Key: JENA-2331
URL: https://issues.apache.org/jira/browse/JENA-2331
Project: Apache Jena
Issue Type: Bug
Components: Core
Affects Versions: Jena 4.5.0
Reporter: Brian Vosburgh
{{JenaXMLInput}} initializes the loaded {{XMLInputFactory}} with at least one
property that is not supported by the Woodstox StAX parser (see
[https://github.com/FasterXML/woodstox/issues/51]). This results in a logged
stack trace that looks like this:
{code}
ERROR [main] o.a.j.u.JenaXMLInput - Problem setting StAX property
java.lang.IllegalArgumentException: Unrecognized property
'http://javax.xml.XMLConstants/property/accessExternalDTD'
at
com.ctc.wstx.api.CommonConfig.reportUnknownProperty(CommonConfig.java:167)
~[woodstox-core-6.2.7.jar:6.2.7]
at com.ctc.wstx.api.CommonConfig.setProperty(CommonConfig.java:158)
~[woodstox-core-6.2.7.jar:6.2.7]
at com.ctc.wstx.api.ReaderConfig.setProperty(ReaderConfig.java:35)
~[woodstox-core-6.2.7.jar:6.2.7]
at
com.ctc.wstx.stax.WstxInputFactory.setProperty(WstxInputFactory.java:400)
~[woodstox-core-6.2.7.jar:6.2.7]
at
org.apache.jena.util.JenaXMLInput.initXMLInputFactory(JenaXMLInput.java:81)
~[jena-core-4.5.0.jar:4.5.0]
at org.apache.jena.util.JenaXMLInput.<clinit>(JenaXMLInput.java:90)
~[jena-core-4.5.0.jar:4.5.0]
at
org.apache.jena.rdfxml.xmlinput.impl.RDFXMLParser.create(RDFXMLParser.java:75)
~[jena-core-4.5.0.jar:4.5.0]
at org.apache.jena.rdfxml.xmlinput.ARP.<init>(ARP.java:76)
~[jena-core-4.5.0.jar:4.5.0]
at
org.apache.jena.riot.lang.ReaderRIOTRDFXML.<init>(ReaderRIOTRDFXML.java:62)
~[jena-arq-4.5.0.jar:4.5.0]
at
org.apache.jena.riot.lang.ReaderRIOTRDFXML.lambda$static$0(ReaderRIOTRDFXML.java:59)
~[jena-arq-4.5.0.jar:4.5.0]
at org.apache.jena.riot.RDFParser.createReader(RDFParser.java:486)
[jena-arq-4.5.0.jar:4.5.0]
at org.apache.jena.riot.RDFParser.createReader(RDFParser.java:480)
[jena-arq-4.5.0.jar:4.5.0]
at org.apache.jena.riot.RDFParser.parseNotUri(RDFParser.java:399)
[jena-arq-4.5.0.jar:4.5.0]
at org.apache.jena.riot.RDFParser.parse(RDFParser.java:356)
[jena-arq-4.5.0.jar:4.5.0]
at org.apache.jena.riot.RDFParserBuilder.parse(RDFParserBuilder.java:568)
[jena-arq-4.5.0.jar:4.5.0]
at
org.apache.jena.riot.RDFDataMgr.parseFromInputStream(RDFDataMgr.java:718)
[jena-arq-4.5.0.jar:4.5.0]
at org.apache.jena.riot.RDFDataMgr.read(RDFDataMgr.java:253)
[jena-arq-4.5.0.jar:4.5.0]
at org.apache.jena.riot.RDFDataMgr.read(RDFDataMgr.java:235)
[jena-arq-4.5.0.jar:4.5.0]
at org.apache.jena.riot.adapters.RDFReaderRIOT.read(RDFReaderRIOT.java:69)
[jena-arq-4.5.0.jar:4.5.0]
at org.apache.jena.rdf.model.impl.ModelCom.read(ModelCom.java:253)
[jena-core-4.5.0.jar:4.5.0]
at
org.apache.jena.ontology.OntDocumentManager.findMetadata(OntDocumentManager.java:890)
[jena-core-4.5.0.jar:4.5.0]
at
org.apache.jena.ontology.OntDocumentManager.initialiseMetadata(OntDocumentManager.java:848)
[jena-core-4.5.0.jar:4.5.0]
at
org.apache.jena.ontology.OntDocumentManager.<init>(OntDocumentManager.java:196)
[jena-core-4.5.0.jar:4.5.0]
at
org.apache.jena.ontology.OntDocumentManager.<init>(OntDocumentManager.java:178)
[jena-core-4.5.0.jar:4.5.0]
at
org.apache.jena.ontology.OntDocumentManager.<init>(OntDocumentManager.java:162)
[jena-core-4.5.0.jar:4.5.0]
{code}
Jena should probably do one of the following:
* Instead of relying on whatever parser is discovered by
{{{}XMLInputFactory.newInstance(){}}}, Jena can directly load the JDK-supplied
parser, which supports these properties, by calling
{{XMLInputFactory.newDefaultFactory()}} instead.
* Jena can be a bit more robust when dealing with non-JDK parsers by wrapping
each call to {{XMLInputFactory.setProperty(...)}} with a separate {{try-catch}}
block and log any exception appropriately.
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