Hi Patrick, can you link also to the XML you're trying to parse? Simo http://people.apache.org/~simonetripodi/ http://www.99soft.org/
On Thu, Mar 31, 2011 at 10:24 PM, Patrick Diviacco <[email protected]> wrote: > Hi, > > I'm trying to store the content of a xml file into memory but for some > reason I get following NullPointerException.. (this is the code: > http://pastie.org/1740948): > > Clusterer... > Reading XML... > Mar 31, 2011 10:19:17 PM org.apache.commons.digester.Digester endElement > SEVERE: End event threw exception > java.lang.reflect.InvocationTargetException > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at > org.apache.commons.beanutils.MethodUtils.invokeMethod(MethodUtils.java:216) > at org.apache.commons.digester.SetNextRule.end(SetNextRule.java:220) > at org.apache.commons.digester.Rule.end(Rule.java:257) > at org.apache.commons.digester.Digester.endElement(Digester.java:1345) > at > com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(AbstractSAXParser.java:601) > at > com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanEndElement(XMLDocumentFragmentScannerImpl.java:1782) > at > com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2938) > at > com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:648) > at > com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:511) > at > com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:808) > at > com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737) > at > com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:119) > at > com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1205) > at > com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522) > at org.apache.commons.digester.Digester.parse(Digester.java:1871) > at XMLReader.read(XMLReader.java:74) > at Clusterer.<init>(Clusterer.java:49) > at Main.main(Main.java:11) > Caused by: java.lang.NullPointerException > at XMLReader$FlickrCollection.addDocument(XMLReader.java:108) > ... 22 more > java.lang.NullPointerException > at > org.apache.commons.digester.Digester.createSAXException(Digester.java:3363) > at > org.apache.commons.digester.Digester.createSAXException(Digester.java:3389) > at org.apache.commons.digester.Digester.endElement(Digester.java:1348) > at > com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(AbstractSAXParser.java:601) > at > com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanEndElement(XMLDocumentFragmentScannerImpl.java:1782) > at > com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2938) > at > com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:648) > at > com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:511) > at > com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:808) > 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:119) > at > com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1205) > Reading XML... > at > com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522) > at org.apache.commons.digester.Digester.parse(Digester.java:1871) > at XMLReader.read(XMLReader.java:74) > at Clusterer.<init>(Clusterer.java:49) > at Main.main(Main.java:11) > Caused by: java.lang.NullPointerException > at XMLReader$FlickrCollection.addDocument(XMLReader.java:108) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at > org.apache.commons.beanutils.MethodUtils.invokeMethod(MethodUtils.java:216) > at org.apache.commons.digester.SetNextRule.end(SetNextRule.java:220) > at org.apache.commons.digester.Rule.end(Rule.java:257) > at org.apache.commons.digester.Digester.endElement(Digester.java:1345) > ... 14 more > Mar 31, 2011 10:19:17 PM org.apache.commons.digester.Digester endElement > SEVERE: End event threw exception > java.lang.reflect.InvocationTargetException > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at > org.apache.commons.beanutils.MethodUtils.invokeMethod(MethodUtils.java:216) > at org.apache.commons.digester.SetNextRule.end(SetNextRule.java:220) > at org.apache.commons.digester.Rule.end(Rule.java:257) > at org.apache.commons.digester.Digester.endElement(Digester.java:1345) > at > com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(AbstractSAXParser.java:601) > at > com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanEndElement(XMLDocumentFragmentScannerImpl.java:1782) > at > com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2938) > at > com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:648) > at > com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:511) > at > com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:808) > at > com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737) > at > com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:119) > at > com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1205) > at > com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522) > at org.apache.commons.digester.Digester.parse(Digester.java:1871) > at XMLReader.read(XMLReader.java:74) > at Clusterer.<init>(Clusterer.java:50) > at Main.main(Main.java:11) > Caused by: java.lang.NullPointerException > at XMLReader$FlickrCollection.addDocument(XMLReader.java:108) > ... 22 more > java.lang.NullPointerException > at > org.apache.commons.digester.Digester.createSAXException(Digester.java:3363) > at > org.apache.commons.digester.Digester.createSAXException(Digester.java:3389) > at org.apache.commons.digester.Digester.endElement(Digester.java:1348) > at > com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(AbstractSAXParser.java:601) > at > com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanEndElement(XMLDocumentFragmentScannerImpl.java:1782) > at > com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2938) > at > com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:648) > at > com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:511) > at > com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:808) > 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:119) > at > com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1205) > at > com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522) > at org.apache.commons.digester.Digester.parse(Digester.java:1871) > at XMLReader.read(XMLReader.java:74) > at Clusterer.<init>(Clusterer.java:50) > at Main.main(Main.java:11) > Caused by: java.lang.NullPointerException > at XMLReader$FlickrCollection.addDocument(XMLReader.java:108) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at > org.apache.commons.beanutils.MethodUtils.invokeMethod(MethodUtils.java:216) > at org.apache.commons.digester.SetNextRule.end(SetNextRule.java:220) > at org.apache.commons.digester.Rule.end(Rule.java:257) > [] > [] > at org.apache.commons.digester.Digester.endElement(Digester.java:1345) > ... 14 more > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
