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Build: NetBeans IDE 7.0 Beta (Build 201011152355) VM: Java HotSpot(TM) Client VM, 17.1-b03, Java(TM) SE Runtime Environment, 1.6.0_22-b04 OS: Windows XP User Comments: GUEST: ???Netbeans???????? Stacktrace: java.lang.NullPointerException at java.util.Hashtable.get(Hashtable.java:334) at com.sun.xml.internal.stream.XMLEntityStorage.isUnparsedEntity(XMLEntityStorage.java:333) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanEntityReference(XMLDocumentFragmentScannerImpl.java:1851) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:3032) 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)
Created attachment 106444 [details] stacktrace
This seems to be a bug in XMLDocumentFragmentScannerImpl.scanEntityReference() In the version 1.5 2006/11/29 at http://www.java2s.com/Open-Source/Java-Document/6.0-JDK-Modules/sjsxp/com/sun/xml/stream/XMLDocumentFragmentScannerImpl.java.htm if (name == null) only an error is reported, but at http://libxerces2-java.sourcearchive.com/documentation/2.9.0/classorg_1_1apache_1_1xerces_1_1impl_1_1XMLDocumentFragmentScannerImpl_ce3ed5ecbb281f8db36e2ec77c827641.html#ce3ed5ecbb281f8db36e2ec77c827641 there's return from the scanEntityReference() method, when name is null. Therefore the exception should not be thrown any more.
It's a bug in JDK code: http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/7-b147/com/sun/org/apache/xerces/internal/impl/XMLDocumentFragmentScannerImpl.java?av=f It's fixed in Xerces 2.9.1 http://www.docjar.org/docs/api/org/apache/xerces/impl/XMLDocumentFragmentScannerImpl.html This was fixed 9 years ago by: http://svn.apache.org/viewvc/xerces/java/trunk/src/org/apache/xerces/impl/XMLDocumentFragmentScannerImpl.java?r1=318781&r2=318782& I've submitted bug for JDK 7151484.