NullPointerException caused by XMLSchemaValidator.addDefaultAttributes
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Key: XERCESJ-1488
URL: https://issues.apache.org/jira/browse/XERCESJ-1488
Project: Xerces2-J
Issue Type: Bug
Affects Versions: 2.11.0
Environment: Java version: 1.6.0_23
Java home: C:\Program Files\Java\jdk1.6.0_23\jre
Default locale: en_US, platform encoding: Cp1252
OS name: "windows vista" version: "6.0" arch: "amd64" Family: "windows"
Reporter: Gary Gregory
Priority: Blocker
The following is a regression from 2.10 because our unit tests run OK with 2.10
and blow up with 2.11.
NullPointerException caused by XMLSchemaValidator.addDefaultAttributes
Note that the second argument is null in the call:
{noformat}
if (XSTypeHelper.isAtomicValueValidForAnUnion(attDV.getMemberTypes(),
null, defaultValue)) {
{noformat}
at
XMLSchemaValidator.addDefaultAttributes(QName, XMLAttributes,
XSAttributeGroupDecl) line: 3385
Which means that at this point in the call chain:
{noformat}
Thread [main] (Suspended (breakpoint at line 2255 in XSSimpleTypeDecl))
XSSimpleTypeDecl.normalize(Object, short) line: 2255
XSSimpleTypeDecl.getActualValue(Object, ValidationContext,
ValidatedInfo, boolean) line: 2053
XSSimpleTypeDecl.validate(String, ValidationContext, ValidatedInfo)
line: 1742
XSTypeHelper.isValueValidForASimpleType(String, XSSimpleType) line: 135
XSTypeHelper.isAtomicValueValidForAnUnion(XSObjectList, String,
ValidatedInfo) line: 108
XMLSchemaValidator.addDefaultAttributes(QName, XMLAttributes,
XSAttributeGroupDecl) line: 3385
XMLSchemaValidator.handleStartElement(QName, XMLAttributes,
Augmentations) line: 2375
XMLSchemaValidator.startElement(QName, XMLAttributes, Augmentations)
line: 815
XMLNSDocumentScannerImpl.scanStartElement() line: 283
XMLNSDocumentScannerImpl$NSContentDispatcher.scanRootElementHook()
line: 733
XMLNSDocumentScannerImpl$NSContentDispatcher(XMLDocumentFragmentScannerImpl$FragmentContentDispatcher).dispatch(boolean)
line: 1754
XMLNSDocumentScannerImpl(XMLDocumentFragmentScannerImpl).scanDocument(boolean)
line: 324
IntegratedParserConfiguration(DTDConfiguration).parse(boolean) line:
515
IntegratedParserConfiguration(DTDConfiguration).parse(XMLInputSource)
line: 571
DOMParser(XMLParser).parse(XMLInputSource) line: 108
DOMParser.parse(InputSource) line: 230
DocumentBuilderImpl.parse(InputSource) line: 298
XmlValidator.validate(InputSource) line: 279
XmlValidator.validate(URL) line: 317
XmlValidator.validate(String) line: 300
XmlValidatorTestCase.validateXmlSchema1_0_2(String) line: 187
XmlValidatorTestCase.testSimpleXsd_XmlSchema1_0_2() line: 126
NativeMethodAccessorImpl.invoke0(Method, Object, Object[]) line: not
available [native method]
NativeMethodAccessorImpl.invoke(Object, Object[]) line: 39
DelegatingMethodAccessorImpl.invoke(Object, Object[]) line: 25
Method.invoke(Object, Object...) line: 597
FrameworkMethod$1.runReflectiveCall() line: 44
FrameworkMethod$1(ReflectiveCallable).run() line: 15
FrameworkMethod.invokeExplosively(Object, Object...) line: 41
InvokeMethod.evaluate() line: 20
BlockJUnit4ClassRunner.runNotIgnored(FrameworkMethod, EachTestNotifier)
line: 79
BlockJUnit4ClassRunner.runChild(FrameworkMethod, RunNotifier) line: 71
BlockJUnit4ClassRunner.runChild(Object, RunNotifier) line: 49
ParentRunner$3.run() line: 193
ParentRunner$1.schedule(Runnable) line: 52
BlockJUnit4ClassRunner(ParentRunner<T>).runChildren(RunNotifier) line:
191
ParentRunner<T>.access$000(ParentRunner, RunNotifier) line: 42
ParentRunner$2.evaluate() line: 184
BlockJUnit4ClassRunner(ParentRunner<T>).run(RunNotifier) line: 236
JUnit4TestMethodReference(JUnit4TestReference).run(TestExecution) line:
49
TestExecution.run(ITestReference[]) line: 38
RemoteTestRunner.runTests(String[], String, TestExecution) line: 467
RemoteTestRunner.runTests(TestExecution) line: 683
RemoteTestRunner.run() line: 390
RemoteTestRunner.main(String[]) line: 197
{noformat}
The "return null;" runs at:
XSSimpleTypeDecl.normalize(Object, short) line: 2255
{noformat}
if (content == null)
return null;
{noformat}
Which then causes:
{noformat}
java.lang.NullPointerException
at java.util.StringTokenizer.<init>(StringTokenizer.java:182)
at java.util.StringTokenizer.<init>(StringTokenizer.java:204)
at
org.apache.xerces.impl.dv.xs.XSSimpleTypeDecl.getActualValue(XSSimpleTypeDecl.java:2105)
at
org.apache.xerces.impl.dv.xs.XSSimpleTypeDecl.validate(XSSimpleTypeDecl.java:1742)
at
org.apache.xerces.impl.xs.util.XSTypeHelper.isValueValidForASimpleType(XSTypeHelper.java:135)
at
org.apache.xerces.impl.xs.util.XSTypeHelper.isAtomicValueValidForAnUnion(XSTypeHelper.java:108)
at
org.apache.xerces.impl.xs.XMLSchemaValidator.addDefaultAttributes(XMLSchemaValidator.java:3385)
at
org.apache.xerces.impl.xs.XMLSchemaValidator.handleStartElement(XMLSchemaValidator.java:2375)
at
org.apache.xerces.impl.xs.XMLSchemaValidator.startElement(XMLSchemaValidator.java:815)
at
org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(XMLNSDocumentScannerImpl.java:283)
at
org.apache.xerces.impl.XMLNSDocumentScannerImpl$NSContentDispatcher.scanRootElementHook(XMLNSDocumentScannerImpl.java:733)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:1754)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:324)
at
org.apache.xerces.parsers.DTDConfiguration.parse(DTDConfiguration.java:515)
at
org.apache.xerces.parsers.DTDConfiguration.parse(DTDConfiguration.java:571)
at org.apache.xerces.parsers.XMLParser.parse(XMLParser.java:108)
at org.apache.xerces.parsers.DOMParser.parse(DOMParser.java:230)
at
org.apache.xerces.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:298)
at
com.seagullsw.toolbox.xml.XmlValidator.validate(XmlValidator.java:279)
at
com.seagullsw.toolbox.xml.XmlValidator.validate(XmlValidator.java:317)
at
com.seagullsw.toolbox.xml.XmlValidator.validate(XmlValidator.java:300)
at
com.seagullsw.toolbox.xml.XmlValidatorTestCase.validateXmlSchema1_0_2(XmlValidatorTestCase.java:187)
at
com.seagullsw.toolbox.xml.XmlValidatorTestCase.testSimpleXsd_XmlSchema1_0_2(XmlValidatorTestCase.java:126)
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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
at
org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
at
org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49)
at
org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
{noformat}
because the null value is passed all the way down the call chain until it
causes the implosion.
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