I just checked in a fix for this. Be aware that textEntity has gone away in the latest WD.
Ted ----- Original Message ----- From: "George T. Joseph" <[EMAIL PROTECTED]> To: "xerces-dev" <[EMAIL PROTECTED]> Sent: Wednesday, December 15, 1999 9:47 PM Subject: NullPointerException in StringPool.addString > I've run across a NullPointerException when parsing an XML document against > a schema and when that schema references an ENTITY in the content of a > textEntity delcaration that was defined in the internal DTD of the schema. > Wow, the sample code is shorter than the description! > > I've just started working my way through the source code but if this is a > known problem or someone's got a quick fix, I'd appreciate the feedback. > > Thanks, > george > > -----environment > Windows NT 4.0sp4 > Sun Win32 JDK 1.2.2 > Xerces-J 1.0.0 > > -----command > java sax.SAXWriter test.xml > > -----XML instance document (test.xml) > <?xml version='1.0'?> > <test xmlns='test.xsd' aaa='&const;'/> > > -----XML Schema (test.xsd) > <?xml version="1.0"?> > <!DOCTYPE schema PUBLIC "-//W3C/DTD XML Schema Version 1.0//EN" > "http://www.w3.org/XML/Group/1999/09/23-xmlschema/structures/structures.dtd"; > [ > <!ENTITY constant '999'> > ]> > <schema> > <!-----------------------*problem**-------------> > <textEntity name='const'>&constant;</textEntity> > <element name='test'><archetype content='empty'> > <attribute name='aaa' type='integer' default='&constant;'/> > <attribute name="xmlns"/> > </archetype></element> > </schema> > > -----Stack Trace > java.lang.NullPointerException: > at org.apache.xerces.utils.StringPool.addString(StringPool.java:251) > at > org.apache.xerces.validators.schema.XSchemaValidator.traverseSchema(XSchemaV > alidator.java:1751) > at > org.apache.xerces.validators.schema.XSchemaValidator.loadSchema(XSchemaValid > ator.java:1701) > at org.apache.xerces.framework.XMLParser.scanAttValue(XMLParser.java:1923) > at > org.apache.xerces.framework.XMLDocumentScanner.scanElement(XMLDocumentScanne > r.java:1800) > at > org.apache.xerces.framework.XMLDocumentScanner$ContentDispatcher.dispatch(XM > LDocumentScanner.java:991) > at > org.apache.xerces.framework.XMLDocumentScanner.parseSome(XMLDocumentScanner. > java:381) > at org.apache.xerces.framework.XMLParser.parse(XMLParser.java:1129) > at org.apache.xerces.framework.XMLParser.parse(XMLParser.java:1168) > at sax.SAXWriter.print(SAXWriter.java:134) > at sax.SAXWriter.main(SAXWriter.java:380) > > >
