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  1. JDK
  2. JDK-8140516

Regression: NPE when validating XSD annotations

    Details

      Description

      FULL PRODUCT VERSION :
      java version "1.8.0-ea"
      Java(TM) SE Runtime Environment (build 1.8.0-ea-b113)
      Java HotSpot(TM) 64-Bit Server VM (build 25.0-b55, mixed mode)


      ADDITIONAL OS VERSION INFORMATION :
      Darwin mbp 13.0.0 Darwin Kernel Version 13.0.0: Thu Sep 19 22:22:27 PDT 2013; root:xnu-2422.1.72~6/RELEASE_X86_64 x86_64

      A DESCRIPTION OF THE PROBLEM :
      b113 and later fails with NPE if a <d:annotation> element is present in the XSD.


      REGRESSION. Last worked in version 8

      ADDITIONAL REGRESSION INFORMATION:
      java version "1.8.0-ea"
      Java(TM) SE Runtime Environment (build 1.8.0-ea-b112)
      Java HotSpot(TM) 64-Bit Server VM (build 25.0-b54, mixed mode)


      STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
      Compile and run the attached program.

      EXPECTED VERSUS ACTUAL BEHAVIOR :
      EXPECTED -
      Did parse document: UTF-8

      ACTUAL -
      java.lang.NullPointerException
      at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.reset(XMLEntityManager.java:1504)
      at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.resetCommon(XML11Configuration.java:1023)
      at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:810)
      at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:777)
      at com.sun.org.apache.xerces.internal.impl.xs.traversers.XSDHandler.validateAnnotations(XSDHandler.java:690)
      at com.sun.org.apache.xerces.internal.impl.xs.traversers.XSDHandler.parseSchema(XSDHandler.java:670)
      at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaLoader.loadSchema(XMLSchemaLoader.java:616)
      at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.findSchemaGrammar(XMLSchemaValidator.java:2453)
      at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.handleStartElement(XMLSchemaValidator.java:1773)
      at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.emptyElement(XMLSchemaValidator.java:766)
      at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(XMLNSDocumentScannerImpl.java:355)
      at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl$NSContentDriver.scanRootElementHook(XMLNSDocumentScannerImpl.java:604)
      at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:3130)
      at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(XMLDocumentScannerImpl.java:880)
      at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:606)
      at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:117)
      at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:510)
      at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:848)
      at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:777)
      at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141)
      at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:243)
      at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:348)
      at javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:121)
      at XsdAnnots.main(XsdAnnots.java:47)

      REPRODUCIBILITY :
      This bug can be reproduced always.

      ---------- BEGIN SOURCE ----------
      import java.io.ByteArrayInputStream;
      import java.io.IOException;
      import java.io.InputStream;
      import javax.xml.parsers.DocumentBuilder;
      import javax.xml.parsers.DocumentBuilderFactory;
      import org.w3c.dom.Document;
      import org.xml.sax.EntityResolver;
      import org.xml.sax.InputSource;
      import org.xml.sax.SAXException;

      public class XsdAnnots
      {
      static final String xsdText = "<?xml version='1.0' encoding='UTF-8' ?>\n" +
      "<d:schema xmlns:d='http://www.w3.org/2001/XMLSchema&#39;>\n" +
      " <d:element name='test'>\n" +
      " <d:annotation>\n" +
      " <d:documentation>\n" +
      " This is documentation\n" +
      " </d:documentation>\n" +
      " </d:annotation>\n" +
      " <d:complexType>\n" +
      " <d:sequence/>\n" +
      " <d:attribute name='group' use='required' type='d:token'/>\n" +
      " </d:complexType>\n" +
      " </d:element>\n" +
      "</d:schema>\n";

      static final String xmlText = "<?xml version='1.0' encoding='UTF-8' ?>\n" +
      "<test\n" +
      " xsi:noNamespaceSchemaLocation='XsdAnnots.xsd'\n" +
      " xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance&#39;\n" +
      " group='testing'/>\n";

      public static void main(String[] args) throws Exception
      {
      try {
      DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
      factory.setNamespaceAware(true);
      factory.setValidating(true);
      factory.setAttribute("http://apache.org/xml/features/validation/schema", true);
      factory.setAttribute("http://apache.org/xml/features/validate-annotations", true);
      //
      DocumentBuilder parser = factory.newDocumentBuilder();
      parser.setEntityResolver(new MyResolver());
      //
      InputStream is = new ByteArrayInputStream(xmlText.getBytes("UTF-8"));
      Document doc = parser.parse(is);
      System.err.println("Did parse document: " + doc.getXmlEncoding());
      }
      catch (Throwable ex) {
      ex.printStackTrace();
      }
      }

      static class MyResolver implements EntityResolver
      {
      @Override
      public InputSource resolveEntity(String publicId, String systemId) throws SAXException, IOException
      {
      if (publicId != null || systemId == null || !systemId.endsWith("XsdAnnots.xsd"))
      throw new IOException("Not found: " + systemId);
      InputSource is = new InputSource(new ByteArrayInputStream(xsdText.getBytes("UTF-8")));
      is.setSystemId(systemId);
      return is;
      }
      }
      }

      ---------- END SOURCE ----------

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              • Assignee:
                aefimov Aleksej Efimov
                Reporter:
                webbuggrp Webbug Group
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                Dates

                • Created:
                  Updated:
                  Resolved: