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Posted to j-dev@xerces.apache.org by "Mukul Gandhi (JIRA)" <xe...@xml.apache.org> on 2012/09/03 17:45:07 UTC
[jira] [Commented] (XERCESJ-1583) NullPointerException when parsing
an instance that has a schema with inheritable attribute
[ https://issues.apache.org/jira/browse/XERCESJ-1583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13447324#comment-13447324 ]
Mukul Gandhi commented on XERCESJ-1583:
---------------------------------------
If I understand correctly, Xerces currently doesn't expose XSD 1.1 validation other than via JAXP APIs. Therefore, any attempt to do XSD 1.1 validation with Xerces other than via JAXP (for e.g, as used in your example in this bug report) is currently not implemented and unsupported in Xerces.
> NullPointerException when parsing an instance that has a schema with inheritable attribute
> ------------------------------------------------------------------------------------------
>
> Key: XERCESJ-1583
> URL: https://issues.apache.org/jira/browse/XERCESJ-1583
> Project: Xerces2-J
> Issue Type: Bug
> Components: XML Schema 1.1 Structures
> Affects Versions: 2.11.0
> Reporter: Octavian Nadolu
>
> If I parse the instance.xml file using the following java code, I get an NullPointerException. I tested on the xml-schema-1.1-dev branch.
> -----------Java code-----------------------
> XMLReader parser = new org.apache.xerces.parsers.SAXParser();
> parser.setFeature(Constants.XERCES_FEATURE_PREFIX + Constants.SCHEMA_VALIDATION_FEATURE, true);
> parser.parse("file:/C:/instance.xml");
> --------------------------------------
> -----------------instance.xml-------------------
> <BookStore xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="schema.xsd">
> </BookStore>
> -------------------------------------------------------
> ---------------------schema.xsd-----------------
> <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
> <xs:element name="BookStore">
> <xs:complexType>
> <xs:attribute name="lang" inheritable="true" type="xs:string"/>
> </xs:complexType>
> </xs:element>
> </xs:schema>
> --------------------------------------------------------
> -----------NullPointerException -------------------------------
> Exception in thread "main" java.lang.NullPointerException
> at org.apache.xerces.impl.xs.traversers.XSDAttributeTraverser.traverseLocal(XSDAttributeTraverser.java:144)
> at org.apache.xerces.impl.xs.traversers.XSDAbstractTraverser.traverseAttrsAndAttrGrps(XSDAbstractTraverser.java:796)
> at org.apache.xerces.impl.xs.traversers.XSDComplexTypeTraverser.processComplexContent(XSDComplexTypeTraverser.java:1639)
> at org.apache.xerces.impl.xs.traversers.XSDComplexTypeTraverser.traverseComplexTypeDecl(XSDComplexTypeTraverser.java:485)
> at org.apache.xerces.impl.xs.traversers.XSDComplexTypeTraverser.traverseLocal(XSDComplexTypeTraverser.java:181)
> at org.apache.xerces.impl.xs.traversers.XSDElementTraverser.traverseNamedElement(XSDElementTraverser.java:393)
> at org.apache.xerces.impl.xs.traversers.XSDElementTraverser.traverseGlobal(XSDElementTraverser.java:241)
> at org.apache.xerces.impl.xs.traversers.XSDHandler.traverseSchemas(XSDHandler.java:1629)
> at org.apache.xerces.impl.xs.traversers.XSDHandler.parseSchema(XSDHandler.java:724)
> at org.apache.xerces.impl.xs.XMLSchemaLoader.loadSchema(XMLSchemaLoader.java:644)
> at org.apache.xerces.impl.xs.XMLSchemaValidator.findSchemaGrammar(XMLSchemaValidator.java:3072)
> at org.apache.xerces.impl.xs.XMLSchemaValidator.handleStartElement(XMLSchemaValidator.java:2259)
> at org.apache.xerces.impl.xs.XMLSchemaValidator.startElement(XMLSchemaValidator.java:859)
> at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(XMLNSDocumentScannerImpl.java:283)
> at org.apache.xerces.impl.XMLNSDocumentScannerImpl$NSContentDispatcher.scanRootElementHook(XMLNSDocumentScannerImpl.java:733)
> at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:1754)
> at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:324)
> at org.apache.xerces.parsers.XML11Configuration.parse(XML11Configuration.java:890)
> at org.apache.xerces.parsers.XML11Configuration.parse(XML11Configuration.java:813)
> at org.apache.xerces.parsers.XMLParser.parse(XMLParser.java:108)
> at org.apache.xerces.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1129)
> at XercesParse.main(XercesParse.java:70)
> ---------------------------------------------------------------------------
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