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https://issues.apache.org/jira/browse/XERCESC-1975?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13551216#comment-13551216
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Morgan Parry commented on XERCESC-1975:
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I hope it's correct to comment on this existing bug rather than opening a fresh
one and that you will receive notification.
I am seeing this bug exactly as described, both when using the Xerces 3.1.1 DLL
via our own software or if I use the supplied sax2print utility. The sample
files that are already attached to this are sufficient, though I originally
encountered the issue with our own data.
My steps:
- Downloaded the current xerces-c-3.1.1-x86_64-windows-vc-10.0.zip distribution
from http://xerces.apache.org.
- Ran 'sax2print.exe TestDoc.xml' under the Visual Studio 2012 debugger with
'C++ Exceptions' ticked under Debug -> Exceptions...
- Observed the xercesc_3_1::InvalidDatatypeValueException being thrown.
Please note that the document does still appear to be validated correctly
afterwards in my tests. However, the problem is that the exception is thrown at
all as there are no issues with the XML or XSD files.
Within our own software we see this callstack when the exception is thrown:
xercesc_3_1::AbstractStringValidator::checkContent() Line 636 C++
xercesc_3_1::AbstractStringValidator::validate() Line 553 C++
xercesc_3_1::UnionDatatypeValidator::checkContent() Line 258 C++
xercesc_3_1::UnionDatatypeValidator::validate() Line 232 C++
xercesc_3_1::SchemaValidator::checkContent() Line 259 C++
xercesc_3_1::IGXMLScanner::scanEndTag() Line 1082 C++
xercesc_3_1::IGXMLScanner::scanContent() Line 882 C++
xercesc_3_1::IGXMLScanner::scanDocument() Line 217 C++
xercesc_3_1::SAX2XMLReaderImpl::parse() Line 409 C++
The exception code is XMLExcepts::VALUE_NotIn_Enumeration.
Is this intended behaviour?
> InvalidDatatypeValueException thrown when parsing a UnionDataType
> -----------------------------------------------------------------
>
> Key: XERCESC-1975
> URL: https://issues.apache.org/jira/browse/XERCESC-1975
> Project: Xerces-C++
> Issue Type: Bug
> Components: Validating Parser (XML Schema)
> Affects Versions: 3.1.1
> Reporter: Ashish Singhal
> Priority: Blocker
> Attachments: TestDoc.xml, TestSchema.xsd
>
>
> InvalidDatatypeValueException is thrown when parsing an XML document that
> contains a Union data type and the union is contains another simple data
> type, eg:
> Given this schema:
> <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema";
> elementFormDefault="qualified" attributeFormDefault="unqualified">
> <xs:element name="TestDoc">
> <xs:complexType>
> <xs:sequence>
> <xs:element name="SomeElement"/>
> </xs:sequence>
> <xs:attribute name="testAttribute" type="SubString"/>
> </xs:complexType>
> </xs:element>
> <xs:simpleType name="SubPattern">
> <xs:restriction base="xs:string">
> <xs:pattern value=".*\{.*\}.*"/>
> </xs:restriction>
> </xs:simpleType>
> <xs:simpleType name="SubString">
> <xs:union memberTypes="SubPattern xs:string"/>
> </xs:simpleType>
> </xs:schema>
> This XML should be valid:
> <?xml version="1.0" encoding="UTF-8"?>
> <TestDoc xsi:noNamespaceSchemaLocation="TestSchema.xsd"
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
> testAttribute="true"
> >
> <SomeElement/>
> </TestDoc>
> However an InvalidDatatypeValueException is thrown when validating this
> document.
> Changing my schema to remove SubPattern from the SubString union, fixes the
> issue, but it's not the solution I'm looking for.
> I would like xerces-c to validate the document correctly.
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