Hello All,
I got null pointer exception while executing doc = builder.parse(xmlDataFile);
There were few entities in the XML data file. On removing a particular entity,
i was able to parse the file successfully
The entity was some thing like this
<!ENTITY SAMPLE.TIF SYSTEM "SAMPLE.TIF" NDATA TIF>
What could be the reason?
Here is the code:
DocumentBuilderFactory aFactory = DocumentBuilderFactory.newInstance();
aFactory.setValidating(false);
aFactory.setFeature("http://xml.org/sax/features/namespaces";, false);
aFactory.setFeature("http://apache.org/xml/features/validation/schema";, false);
aFactory.setIgnoringComments(true);
builder = aFactory.newDocumentBuilder();
doc = builder.parse(xmlDataFile);
This is the trace:
at
com.sun.org.apache.xerces.internal.dom.DeferredDocumentImpl.setChunkIndex(DeferredDocumentImpl.java:1944)
at
com.sun.org.apache.xerces.internal.dom.DeferredDocumentImpl.appendChild(DeferredDocumentImpl.java:644)
at
com.sun.org.apache.xerces.internal.parsers.AbstractDOMParser.characters(AbstractDOMParser.java:1191)
at
com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.characters(XMLDTDValidator.java:862)
at
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:463)
at
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:807)
at
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737)
at
com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:107)
at
com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:225)
at
com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:283)
at javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:180)
at XMLParser.Parse(XMLParser.java:89)
at Main.main(Main.java:116)
89 line number points to -> doc = builder.parse(xmlDataFile);
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