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java.lang.NullPointerException: 	at org.apache.xml.dtm.ref.sax2dtm.SAX2DTM2.getNodeNameX(Unknown Source)	at org.apache.xml.dtm.ref.DTMDefaultBase.declareNamespaceInContext(Unknown Source)	at org.apache.xml.dtm.ref.sax2dtm.SAX2DTM2.addNode(Unknown Source)	at org.apache.xml.dtm.ref.sax2dtm.SAX2DTM2.startElement(Unknown Source)	at org.apache.xalan.xsltc.dom.SAXImpl.startElement(SAXImpl.java:919)	at org.apache.xerces.parsers.AbstractSAXParser.startElement(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.xalan.xsltc.dom.XSLTCDTMManager.getDTM(XSLTCDTMManager.java:389)	at org.apache.xalan.xsltc.dom.XSLTCDTMManager.getDTM(XSLTCDTMManager.java:230)	at org.apache.xalan.xsltc.trax.TransformerImpl.getDOM(TransformerImpl.java:464)	at org.apache.xalan.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:632)	at org.apache.xalan.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:303)	at test.xslt.XsltTest.run(XsltTest.java:27)	at test.xslt.XsltTest.main(XsltTest.java:20)