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Posted to j-users@xerces.apache.org by Mark Lines-Davies <ml...@spd.sonybpe.com> on 2002/01/14 12:41:46 UTC

ClassCastException in DOMParser

Hello all

I'm getting a ClassCastException in the parse() method at line 270 in
DOMParser. I'm using Xerces 2.

To find out more, I subclassed DOMParser, cut-and-pasted the parse() method
into my subclass, then changed the catch blocks to a single "catch
(Exception)" block. Doing this pointed me to the parse() method at line 572
of StandardParserConfiguration.

I subclassed StandardParserConfiguration to make a temporary version of this
parse method, and removed all the catch blocks. The resulting stack trace is
shown below.

I couldn't see anything in the mailing lists about this, so I thought I'd
ask for help. Help!

regards

Mark Lines-Davies


java.lang.ClassCastException: org.apache.xerces.impl.xs.XSComplexTypeDecl
        at
org.apache.xerces.impl.xs.traversers.XSDSimpleTypeTraverser.findDTVal
idator(XSDSimpleTypeTraverser.java:530)
        at
org.apache.xerces.impl.xs.traversers.XSDSimpleTypeTraverser.traverseS
impleTypeDecl(XSDSimpleTypeTraverser.java:327)
        at
org.apache.xerces.impl.xs.traversers.XSDSimpleTypeTraverser.traverseL
ocal(XSDSimpleTypeTraverser.java:155)
        at
org.apache.xerces.impl.xs.traversers.XSDElementTraverser.traverseName
dElement(XSDElementTraverser.java:328)
        at
org.apache.xerces.impl.xs.traversers.XSDElementTraverser.traverseLoca
l(XSDElementTraverser.java:188)
        at
org.apache.xerces.impl.xs.traversers.XSDHandler.traverseLocalElements
(XSDHandler.java:1174)
        at
org.apache.xerces.impl.xs.traversers.XSDHandler.parseSchema(XSDHandle
r.java:371)
        at
org.apache.xerces.impl.xs.XMLSchemaValidator.parseSchemas(XMLSchemaVa
lidator.java:1699)
        at
org.apache.xerces.impl.xs.XMLSchemaValidator.handleStartElement(XMLSc
hemaValidator.java:1280)
        at
org.apache.xerces.impl.xs.XMLSchemaValidator.startElement(XMLSchemaVa
lidator.java:511)
        at
org.apache.xerces.impl.XMLNamespaceBinder.handleStartElement(XMLNames
paceBinder.java:830)
        at
org.apache.xerces.impl.XMLNamespaceBinder.startElement(XMLNamespaceBi
nder.java:566)
        at
org.apache.xerces.impl.dtd.XMLDTDValidator.startElement(XMLDTDValidat
or.java:786)
        at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElemen
t(XMLDocumentFragmentScannerImpl.java:751)
        at
org.apache.xerces.impl.XMLDocumentScannerImpl$ContentDispatcher.scanR
ootElementHook(XMLDocumentScannerImpl.java:935)
        at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContent
Dispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:1514)
        at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(XM
LDocumentFragmentScannerImpl.java:332)
        at
org.apache.xerces.parsers.StandardParserConfiguration.parse(StandardP
arserConfiguration.java:510)
        at
com.sony.antenne.ValidatingParserConfiguration.parse(ValidatingParser
Configuration.java:27)
        at org.apache.xerces.parsers.XMLParser.parse(XMLParser.java:148)
        at com.sony.antenne.ValidatingParser.parse(ValidatingParser.java:58)
        at com.sony.antenne.ValidatingParser.parse(ValidatingParser.java:69)
        at com.sony.antenne.Schema.validate(Schema.java:34)
        at com.sony.antenne.InboundMessage.validate(InboundMessage.java:43)
        at com.sony.antenne.InboundMessage.process(InboundMessage.java:31)



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RE: ClassCastException in DOMParser

Posted by Mark Lines-Davies <ml...@spd.sonybpe.com>.
The problem appears to be an <xsd:union> element in my XSD. If I take this
out, the problem disappears.

I guess this is a bug...?

regards

Mark Lines-Davies

-----Original Message-----
From: Mark Lines-Davies [mailto:mld@spd.sonybpe.com]
Sent: 14 January 2002 11:42
To: xerces-j-user@xml.apache.org
Subject: ClassCastException in DOMParser


Hello all

I'm getting a ClassCastException in the parse() method at line 270 in
DOMParser. I'm using Xerces 2.

To find out more, I subclassed DOMParser, cut-and-pasted the parse() method
into my subclass, then changed the catch blocks to a single "catch
(Exception)" block. Doing this pointed me to the parse() method at line 572
of StandardParserConfiguration.

I subclassed StandardParserConfiguration to make a temporary version of this
parse method, and removed all the catch blocks. The resulting stack trace is
shown below.

I couldn't see anything in the mailing lists about this, so I thought I'd
ask for help. Help!

regards

Mark Lines-Davies


java.lang.ClassCastException: org.apache.xerces.impl.xs.XSComplexTypeDecl
        at
org.apache.xerces.impl.xs.traversers.XSDSimpleTypeTraverser.findDTVal
idator(XSDSimpleTypeTraverser.java:530)
        at
org.apache.xerces.impl.xs.traversers.XSDSimpleTypeTraverser.traverseS
impleTypeDecl(XSDSimpleTypeTraverser.java:327)
        at
org.apache.xerces.impl.xs.traversers.XSDSimpleTypeTraverser.traverseL
ocal(XSDSimpleTypeTraverser.java:155)
        at
org.apache.xerces.impl.xs.traversers.XSDElementTraverser.traverseName
dElement(XSDElementTraverser.java:328)
        at
org.apache.xerces.impl.xs.traversers.XSDElementTraverser.traverseLoca
l(XSDElementTraverser.java:188)
        at
org.apache.xerces.impl.xs.traversers.XSDHandler.traverseLocalElements
(XSDHandler.java:1174)
        at
org.apache.xerces.impl.xs.traversers.XSDHandler.parseSchema(XSDHandle
r.java:371)
        at
org.apache.xerces.impl.xs.XMLSchemaValidator.parseSchemas(XMLSchemaVa
lidator.java:1699)
        at
org.apache.xerces.impl.xs.XMLSchemaValidator.handleStartElement(XMLSc
hemaValidator.java:1280)
        at
org.apache.xerces.impl.xs.XMLSchemaValidator.startElement(XMLSchemaVa
lidator.java:511)
        at
org.apache.xerces.impl.XMLNamespaceBinder.handleStartElement(XMLNames
paceBinder.java:830)
        at
org.apache.xerces.impl.XMLNamespaceBinder.startElement(XMLNamespaceBi
nder.java:566)
        at
org.apache.xerces.impl.dtd.XMLDTDValidator.startElement(XMLDTDValidat
or.java:786)
        at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElemen
t(XMLDocumentFragmentScannerImpl.java:751)
        at
org.apache.xerces.impl.XMLDocumentScannerImpl$ContentDispatcher.scanR
ootElementHook(XMLDocumentScannerImpl.java:935)
        at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContent
Dispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:1514)
        at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(XM
LDocumentFragmentScannerImpl.java:332)
        at
org.apache.xerces.parsers.StandardParserConfiguration.parse(StandardP
arserConfiguration.java:510)
        at
com.sony.antenne.ValidatingParserConfiguration.parse(ValidatingParser
Configuration.java:27)
        at org.apache.xerces.parsers.XMLParser.parse(XMLParser.java:148)
        at com.sony.antenne.ValidatingParser.parse(ValidatingParser.java:58)
        at com.sony.antenne.ValidatingParser.parse(ValidatingParser.java:69)
        at com.sony.antenne.Schema.validate(Schema.java:34)
        at com.sony.antenne.InboundMessage.validate(InboundMessage.java:43)
        at com.sony.antenne.InboundMessage.process(InboundMessage.java:31)



*************************************************************************
The information contained in this message or any of its
attachments may be privileged and confidential and intended
for the exclusive use of the addressee. If you are not the
addressee any disclosure, reproduction, distribution or other
dissemination or use of this communication is strictly prohibited
*************************************************************************

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