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From Patrick Diviacco <patrick.divia...@gmail.com>
Subject [digester] java.lang.NullPointerException only for a specific file
Date Mon, 28 Mar 2011 12:13:17 GMT
Hi,

I've a 74MB xml document and I've split it into 2 docs:52MB and 22MB
respectively.

I'm parsing the file using common Digester library, and everything works
perfectly for the small file, but I  get a NullPointerExceptio with the big
one.

I don't think the issue is the code because it works for the small file... I
guess the problem is with the file itself.

I've parsed the files with the same parser, so I don't think the files have
issues either.

In conclusion I dunno where the issue is. This is the code:
http://pastie.org/1726063

This is the exception
SEVERE: End event threw exception
java.lang.reflect.InvocationTargetException
at sun.reflect.GeneratedMethodAccessor7.invoke(Unknown Source)
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 CentroidGenerator.main(CentroidGenerator.java:137)
Caused by: java.lang.NullPointerException
at CentroidGenerator.nextItem(CentroidGenerator.java:62)
... 19 more
Exception in thread "main" 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 CentroidGenerator.main(CentroidGenerator.java:137)
Caused by: java.lang.NullPointerException
at CentroidGenerator.nextItem(CentroidGenerator.java:62)
at sun.reflect.GeneratedMethodAccessor7.invoke(Unknown Source)
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)
... 12 more

thanks

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