Mukul Gandhi created XERCESJ-1731:
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Summary: XML Schema validation error message improvements, when
XML attributes are validated
Key: XERCESJ-1731
URL: https://issues.apache.org/jira/browse/XERCESJ-1731
Project: Xerces2-J
Issue Type: Improvement
Components: XML Schema 1.0 Structures, XML Schema 1.1 Structures
Affects Versions: 2.12.1
Reporter: Mukul Gandhi
I've been using the following XML Schema validation example, for this issue.
XML Schema document,
<?xml version="1.0"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema";
elementFormDefault="qualified"
attributeFormDefault="qualified"
targetNamespace="http://ns0";>
<xs:element name="X">
<xs:complexType>
<xs:sequence>
<xs:element name="a" type="xs:string"/>
</xs:sequence>
<xs:attribute name="att1" type="xs:integer" use="required"/>
</xs:complexType>
</xs:element>
</xs:schema>
XML instance document, that's validated with above mentioned XML Schema
document,
<?xml version="1.0"?>
<X xmlns="http://ns0"; att1="105">
<a>hello</a>
</X>
Upon doing, above mentioned XML Schema validation, XercesJ currently produces
following two error messages,
cvc-complex-type.3.2.2: Attribute 'att1' is not allowed to appear in element
'X'.
cvc-complex-type.4: Attribute 'att1' must appear on element 'X'.
I find, above mentioned error messages little bit confusing.
I propose that, the second error message cited above should contain namespace
information as well, something like following,
cvc-complex-type.4: Attribute 'att1' belonging to namespace 'http://ns0', must
appear on element 'X'.
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