[ http://issues.apache.org/jira/browse/XERCESJ-1076?page=all ]
Michael Glavassevich resolved XERCESJ-1076:
-------------------------------------------
Resolution: Fixed
This bug was hard to track down because the condition which exposes it was
pretty unlikely. The fix will be in the next release 2.7.2 (or 2.8.0). Not sure
when that will be or what other content will be in it. There hasn't been any
discussion about it yet.
> thread safety issue with schema validation
> ------------------------------------------
>
> Key: XERCESJ-1076
> URL: http://issues.apache.org/jira/browse/XERCESJ-1076
> Project: Xerces2-J
> Type: Bug
> Components: XML Schema datatypes
> Versions: 2.6.2
> Environment: Java 1.4.2 or 1.5.0 on a SunOS wallaby 5.8 Generic_117350-12
> sun4u sparc SUNW,Sun-Fire-V440
> (Couldn't reproduce on a 1 CPU Windows 2000 box).
> Reporter: Brett Watson-Luke
> Attachments: parseerror.zip
>
> Parsing multiple documents in multiple threads with schema validation enabled
> sometimes fails. The error reported is: org.xml.sax.SAXParseException:
> cvc-pattern-valid: Value 'en' is not facet-valid with respect to pattern
> '([a-zA-Z]{1,8})(-[a-zA-Z0-9]{1,8})*' for type 'language'.
> The test program I will provide to recreate the problem usually runs without
> error. It creates a number of threads, and parses the same document in each
> thread, concurrently.
> However, sometimes it fails with the reported error. I have provided a
> script (runit.sh) that will repeatedly run the program.
> The test program is called parseerror.ParseError. It uses an EntityResolver
> to locate the schema in the classpath.
> Typical program output is as follows:
> > runit.sh
> java version "1.4.2"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2-b28)
> Java HotSpot(TM) Client VM (build 1.4.2-b28, mixed mode)
> ...org.xml.sax.SAXParseException: cvc-pattern-valid: Value 'en' is not
> facet-valid with respect to pattern '([a-zA-Z]{1,8})(-[a-zA-Z0-9]{1,8})*' for
> type 'language'.
> at
> org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Unknown
> Source)
> at org.apache.xerces.util.ErrorHandlerWrapper.error(Unknown Source)
> at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
> at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
> at
> org.apache.xerces.impl.xs.XMLSchemaValidator$XSIErrorReporter.reportError(Unknown
> Source)
> at
> org.apache.xerces.impl.xs.XMLSchemaValidator.reportSchemaError(Unknown Source)
> at
> org.apache.xerces.impl.xs.XMLSchemaValidator.processOneAttribute(Unknown
> Source)
> at
> org.apache.xerces.impl.xs.XMLSchemaValidator.processAttributes(Unknown Source)
> at
> org.apache.xerces.impl.xs.XMLSchemaValidator.handleStartElement(Unknown
> Source)
> at org.apache.xerces.impl.xs.XMLSchemaValidator.startElement(Unknown
> Source)
> at
> org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown
> Source)
> at
> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown
> Source)
> at
> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown
> Source)
> at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
> at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
> at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
> at org.apache.xerces.parsers.DOMParser.parse(Unknown Source)
> at org.apache.xerces.jaxp.DocumentBuilderImpl.parse(Unknown Source)
> at javax.xml.parsers.DocumentBuilder.parse(Unknown Source)
> at parseerror.ParseError$ParseThread.run(ParseError.java:55)
> .... etc
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