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https://issues.apache.org/jira/browse/XERCESJ-1488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12971540#action_12971540
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Mukul Gandhi commented on XERCESJ-1488:
---------------------------------------
Hi Khaled,
The main purpose of this code was to ensure, that assertion facets need not
be evaluated if an atomic value was validated successfully (prior to assertions
evaluation) with any of memberTypes of simpleType -> union.
You might be right that this part of code-base might have a bug (either this
part of code is not needed, or this may have a bug).
I'll relook at this particular logic and would update the dev list, and the
code-base as appropriate in next few days.
Regards,
Mukul
> NullPointerException caused by XMLSchemaValidator.addDefaultAttributes
> ----------------------------------------------------------------------
>
> Key: XERCESJ-1488
> URL: https://issues.apache.org/jira/browse/XERCESJ-1488
> Project: Xerces2-J
> Issue Type: Bug
> Components: XML Schema 1.1 Structures
> 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
> Assignee: Khaled Noaman
> 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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