[ http://issues.apache.org/jira/browse/XALANJ-1577?page=all ]
Brian Minchau updated XALANJ-1577:
----------------------------------
Version: Latest Development Code
(was: 2.5)
> NullPointerException when sorting using a child of a variable.
> --------------------------------------------------------------
>
> Key: XALANJ-1577
> URL: http://issues.apache.org/jira/browse/XALANJ-1577
> Project: XalanJ2
> Type: Bug
> Components: Xalan
> Versions: Latest Development Code
> Environment: Operating System: Other
> Platform: Other
> Reporter: Michael Stephenson
> Assignee: Xalan Developers Mailing List
> Attachments: test.xsl
>
> It would seem that xalan 2.5.1 doesn't like doing anything of the form:
> <xsl:apply-templates select="people">
> <xsl:sort select="$request/parameter=name"/>
> </xsl:apply-templates>
> ie. sorting a set of elements based on whether one of their children coincides
> with a child of a variable.
> Previous versions of xalan (2.4.1 and 2.1.0 are the only two I've tried) have
> allowed this.
> It seems the easiest way to work around this is to reference the element
> represented by the variable absolutely, ie in the example below replace
> '$request' with 'request'.
> Although the example below is demonstrated from the command line the problem
> is
> not specific to it.
> Thanks for you time!
> [EMAIL PROTECTED]:~$ /usr/local/java/jdk/bin/java -version
> java version "1.3.1"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.3.1-b24)
> Java HotSpot(TM) Client VM (build 1.3.1-b24, mixed mode)
> [EMAIL PROTECTED]:~$ cat broken.xsl
> <?xml version='1.0'?>
> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
> version="1.0">
> <xsl:output method="html"/>
> <xsl:template match="/">
> <xsl:variable name="request" select="request"/>
> <xsl:apply-templates select="people">
> <xsl:sort select="$request/parameter=name"/>
> </xsl:apply-templates>
> </xsl:template>
> </xsl:stylesheet>
> [EMAIL PROTECTED]:~$ /usr/local/java/jdk/bin/java
> org.apache.xalan.xslt.Process
> -XSL broken.xsl -EDUMP
> javax.xml.transform.TransformerConfigurationException:
> javax.xml.transform.TransformerException: java.lang.NullPointerException
> at
> org.apache.xalan.processor.TransformerFactoryImpl.newTemplates(TransformerFactoryImpl.java:922)
> at org.apache.xalan.xslt.Process.main(Process.java:759)
> ---------
> javax.xml.transform.TransformerException: java.lang.NullPointerException
> at
> org.apache.xalan.processor.TransformerFactoryImpl.newTemplates(TransformerFactoryImpl.java:916)
> at org.apache.xalan.xslt.Process.main(Process.java:759)
> ---------
> java.lang.NullPointerException
> at
> org.apache.xpath.operations.Variable.getElemVariable(Variable.java:312)
> at
> org.apache.xpath.operations.Variable.getAnalysisBits(Variable.java:362)
> at
> org.apache.xpath.axes.FilterExprWalker.getAnalysisBits(FilterExprWalker.java:305)
> at
> org.apache.xpath.axes.WalkingIterator.getAnalysisBits(WalkingIterator.java:129)
> at
> org.apache.xpath.axes.WalkingIteratorSorted.fixupVariables(WalkingIteratorSorted.java:235)
> at
> org.apache.xpath.operations.Operation.fixupVariables(Operation.java:91)
> at org.apache.xpath.XPath.fixupVariables(XPath.java:111)
> at org.apache.xalan.templates.ElemSort.compose(ElemSort.java:382)
> at org.apache.xalan.templates.ElemForEach.compose(ElemForEach.java:157)
> at
> org.apache.xalan.templates.ElemCallTemplate.compose(ElemCallTemplate.java:150)
> at
> org.apache.xalan.templates.ElemApplyTemplates.compose(ElemApplyTemplates.java:164)
> at
> org.apache.xalan.templates.StylesheetRoot.composeTemplates(StylesheetRoot.java:358)
> at
> org.apache.xalan.templates.StylesheetRoot.composeTemplates(StylesheetRoot.java:363)
> at
> org.apache.xalan.templates.StylesheetRoot.composeTemplates(StylesheetRoot.java:363)
> at
> org.apache.xalan.templates.StylesheetRoot.recompose(StylesheetRoot.java:338)
> at
> org.apache.xalan.processor.StylesheetHandler.endDocument(StylesheetHandler.java:479)
> at org.apache.xerces.parsers.AbstractSAXParser.endDocument(Unknown
> Source)
> at org.apache.xerces.impl.XMLDocumentScannerImpl.endEntity(Unknown
> Source)
> at org.apache.xerces.impl.XMLEntityManager.endEntity(Unknown Source)
> at org.apache.xerces.impl.XMLEntityScanner.load(Unknown Source)
> at org.apache.xerces.impl.XMLEntityScanner.skipSpaces(Unknown Source)
> at
> org.apache.xerces.impl.XMLDocumentScannerImpl$TrailingMiscDispatcher.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.DTDConfiguration.parse(Unknown Source)
> at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
> at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
> at
> org.apache.xalan.processor.TransformerFactoryImpl.newTemplates(TransformerFactoryImpl.java:892)
> at org.apache.xalan.xslt.Process.main(Process.java:759)
> ---------
> java.lang.NullPointerException
> at
> org.apache.xpath.operations.Variable.getElemVariable(Variable.java:312)
> at
> org.apache.xpath.operations.Variable.getAnalysisBits(Variable.java:362)
> at
> org.apache.xpath.axes.FilterExprWalker.getAnalysisBits(FilterExprWalker.java:305)
> at
> org.apache.xpath.axes.WalkingIterator.getAnalysisBits(WalkingIterator.java:129)
> at
> org.apache.xpath.axes.WalkingIteratorSorted.fixupVariables(WalkingIteratorSorted.java:235)
> at
> org.apache.xpath.operations.Operation.fixupVariables(Operation.java:91)
> at org.apache.xpath.XPath.fixupVariables(XPath.java:111)
> at org.apache.xalan.templates.ElemSort.compose(ElemSort.java:382)
> at org.apache.xalan.templates.ElemForEach.compose(ElemForEach.java:157)
> at
> org.apache.xalan.templates.ElemCallTemplate.compose(ElemCallTemplate.java:150)
> at
> org.apache.xalan.templates.ElemApplyTemplates.compose(ElemApplyTemplates.java:164)
> at
> org.apache.xalan.templates.StylesheetRoot.composeTemplates(StylesheetRoot.java:358)
> at
> org.apache.xalan.templates.StylesheetRoot.composeTemplates(StylesheetRoot.java:363)
> at
> org.apache.xalan.templates.StylesheetRoot.composeTemplates(StylesheetRoot.java:363)
> at
> org.apache.xalan.templates.StylesheetRoot.recompose(StylesheetRoot.java:338)
> at
> org.apache.xalan.processor.StylesheetHandler.endDocument(StylesheetHandler.java:479)
> at org.apache.xerces.parsers.AbstractSAXParser.endDocument(Unknown
> Source)
> at org.apache.xerces.impl.XMLDocumentScannerImpl.endEntity(Unknown
> Source)
> at org.apache.xerces.impl.XMLEntityManager.endEntity(Unknown Source)
> at org.apache.xerces.impl.XMLEntityScanner.load(Unknown Source)
> at org.apache.xerces.impl.XMLEntityScanner.skipSpaces(Unknown Source)
> at
> org.apache.xerces.impl.XMLDocumentScannerImpl$TrailingMiscDispatcher.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.DTDConfiguration.parse(Unknown Source)
> at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
> at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
> at
> org.apache.xalan.processor.TransformerFactoryImpl.newTemplates(TransformerFactoryImpl.java:892)
> at org.apache.xalan.xslt.Process.main(Process.java:759)
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