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Posted to j-dev@xerces.apache.org by "Michael Glavassevich (JIRA)" <xe...@xml.apache.org> on 2012/07/06 22:03:33 UTC
[jira] [Commented] (XERCESJ-1488) NullPointerException caused by
XMLSchemaValidator.addDefaultAttributes
[ https://issues.apache.org/jira/browse/XERCESJ-1488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13408267#comment-13408267 ]
Michael Glavassevich commented on XERCESJ-1488:
-----------------------------------------------
So we're sure that this NPE no longer occurs even in XML Schema 1.1 validation mode? Was such a long discussion I lost track of whether we confirmed that or not.
> 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 D. Gregory
> Assignee: Khaled Noaman
> Priority: Blocker
> Attachments: XERCESJ-1488_samples.zip
>
>
> 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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