Octavian Nadolu created XERCESJ-1580:
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Summary: Out of memory while validating an XML instance with a
schema that contains particles with a large maxOccurs
Key: XERCESJ-1580
URL: https://issues.apache.org/jira/browse/XERCESJ-1580
Project: Xerces2-J
Issue Type: Bug
Components: XML Schema 1.1 Structures
Reporter: Octavian Nadolu
Priority: Critical
I obtain an OutOfMemory exception when i validate the XML instance "test.xml"
with the schema "test.xsd".
You can reproduce the issue on the xml-schema-1.1-dev branch, using the
jaxp.SourceValidator as follows:
jaxp.SourceValidator -xsd11 -a test.xsd -i test.xml
Please note that this exception occurs only if the "full schema checking"
feature is disabled.
XML instance: test.xml
<doc>
<a/>
<b/>
</doc>
Schema: test.xsd
<xsd:schema xmlns:xsd='http://www.w3.org/2001/XMLSchema' >
<xsd:complexType name='fooType' >
<xsd:choice maxOccurs="100000">
<xsd:sequence maxOccurs="100000000">
<xsd:element name='a'
maxOccurs="unbounded"/>
</xsd:sequence>
<xsd:element name="b"/>
</xsd:choice>
</xsd:complexType>
<xsd:element name="doc" type="fooType"/>
</xsd:schema>
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