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https://issues.apache.org/jira/browse/XERCESJ-1467?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Michael Glavassevich resolved XERCESJ-1467.
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Resolution: Invalid
It took me awhile to realize what was going on but the reason why you can't use
xsi:type here is because of the blockDefault="#all" at the top of
XMLSchema.xsd. This blocks type substitutions for "xs:complexType" and other
type definitions in the Schema for schemas. Removing blockDefault="#all" from
the schema allows the xsi:type, but I'm sure the W3C working group had some
reason for defining it the way they did. You would have to check with them as
to why.
Thanks.
> cvc-elt.4.3: Type 'xs:localComplexType' is not validly derived from the type
> definition, 'complexType', of element 'child'.
> ----------------------------------------------------------------------------------------------------------------------------
>
> Key: XERCESJ-1467
> URL: https://issues.apache.org/jira/browse/XERCESJ-1467
> Project: Xerces2-J
> Issue Type: Bug
> Components: XML Schema 1.0 Structures
> Affects Versions: 2.10.0
> Environment: Xerces2-J 2.10.0
> Reporter: David Green-Lank
> Assignee: Michael Glavassevich
> Attachments: XERCESJ-1467.zip
>
>
> Given the schema (dgreen.xsd):
> <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema";>
> <xs:import namespace="http://www.w3.org/2001/XMLSchema";
> schemaLocation="http://www.w3.org/2001/XMLSchema.xsd"/>
> <xs:element name="root">
> <xs:complexType>
> <xs:sequence>
> <xs:element name="child" type="xs:complexType"/>
> </xs:sequence>
> </xs:complexType>
> </xs:element>
> </xs:schema>
> Parsing the instance document (dgreen.xml):
> <?xml version="1.0"?>
> <root>
> <child xsi:type="xs:localComplexType"
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
> xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
> </root>
> Code to reproduce (Main.java):
> import org.apache.xerces.jaxp.validation.XMLSchemaFactory;
> import javax.xml.validation.Schema;
> import javax.xml.validation.Validator;
> import javax.xml.transform.stream.StreamSource;
> import java.io.File;
> public class Main {
> public static void main( String... args ) throws Exception {
> XMLSchemaFactory schemaFactory = new XMLSchemaFactory();
> Schema schema = schemaFactory.newSchema( new File( "dgreen.xsd" ) );
> Validator validator = schema.newValidator();
> validator.validate( new StreamSource( new File( "dgreen.xml" ) ) );
> }
> }
> Produces the following:
> Exception in thread "main" org.xml.sax.SAXParseException: cvc-elt.4.3: Type
> 'xs:localComplexType' is not validly derived from the type definition,
> 'complexType', of element 'child'.
> at
> org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Unknown
> Source)
> at org.apache.xerces.util.ErrorHandlerWrapper.error(Unknown Source)
> at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
> at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
> at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
> at
> org.apache.xerces.impl.xs.XMLSchemaValidator$XSIErrorReporter.reportError(Unknown
> Source)
> at
> org.apache.xerces.impl.xs.XMLSchemaValidator.reportSchemaError(Unknown Source)
> at
> org.apache.xerces.impl.xs.XMLSchemaValidator.getAndCheckXsiType(Unknown
> Source)
> at
> org.apache.xerces.impl.xs.XMLSchemaValidator.handleStartElement(Unknown
> Source)
> at org.apache.xerces.impl.xs.XMLSchemaValidator.emptyElement(Unknown
> Source)
> at
> org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown
> Source)
> at
> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown
> Source)
> at
> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown
> Source)
> at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
> at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
> at
> org.apache.xerces.jaxp.validation.StreamValidatorHelper.validate(Unknown
> Source)
> at org.apache.xerces.jaxp.validation.ValidatorImpl.validate(Unknown
> Source)
> at javax.xml.validation.Validator.validate(Validator.java:127)
> at Main.main(Main.java:11)
> I believe that localComplexType is validly derived from complexType, or am I
> missing something? I apologize in advance if I filed this bug in error.
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