2
處理XSD當我有這樣零指示字例外使用xsom
<xs:schema attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="www.aaa.com/aa" xmlns:xs="http://www.w3.org/2001/XMLSchema">
<xs:include schemaLocation="class.xsd"/>
<xs:element name="record">
<xs:complexType>
<xs:sequence>
<xs:element name="Stud" minOccurs="0">
<xs:complexType>
<xs:sequence>
<xs:element name="fname" type="xs:string"/>
<xs:element name="lname" type="xs:string"/>
........
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:schema>
的XSD當我解析使用XSOM此XSD它給Null Pointer Exception
。當我刪除元素,它工作正常
XSOMParser parser = new XSOMParser();
parser.parse(inputStream);// -> this statement gives null pointer.
堆棧跟蹤
Exception in thread "main" java.lang.NullPointerException
at com.sun.xml.xsom.impl.parser.NGCCRuntimeEx.parseEntity(NGCCRuntimeEx.java:327)
at com.sun.xml.xsom.impl.parser.NGCCRuntimeEx.includeSchema(NGCCRuntimeEx.java:234)
at com.sun.xml.xsom.impl.parser.state.includeDecl.action0(includeDecl.java:42)
at com.sun.xml.xsom.impl.parser.state.includeDecl.leaveElement(includeDecl.java:109)
at com.sun.xml.xsom.impl.parser.state.NGCCRuntime.endElement(NGCCRuntime.java:275)
at org.xml.sax.helpers.XMLFilterImpl.endElement(XMLFilterImpl.java:546)
at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
at org.apache.xerces.parsers.AbstractXMLDocumentParser.emptyElement(Unknown Source)
at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
at org.xml.sax.helpers.XMLFilterImpl.parse(XMLFilterImpl.java:333)
at com.sun.xml.xsom.parser.JAXPParser.parse(JAXPParser.java:115)
at com.sun.xml.xsom.impl.parser.NGCCRuntimeEx.parseEntity(NGCCRuntimeEx.java:337)
at com.sun.xml.xsom.impl.parser.ParserContext.parse(ParserContext.java:124)
at com.sun.xml.xsom.parser.XSOMParser.parse(XSOMParser.java:183)
at com.sun.xml.xsom.parser.XSOMParser.parse(XSOMParser.java:138)
在此先感謝
嘗試單獨解析'class.xsd'。 – Azodious
我使用相同的lib解析'class.xsd',它工作正常 –
http://javasourcecode.org/html/open-source/jdk/jdk-6u23/com/sun/xml/internal/xsom/impl/parser /NGCCRuntimeEx.java.html ...在這裏你可以找到'NGCCRuntimeEx'類的源代碼。看看你是否可以調試它。 – Azodious