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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=15090

NullPointeException when calling undefined EXSLT function

           Summary: NullPointeException when calling undefined EXSLT
                    function
           Product: XalanJ2
           Version: 2.4
          Platform: PC
        OS/Version: Windows NT/2K
            Status: NEW
          Severity: Normal
          Priority: Other
         Component: org.apache.xalan.extensions
        AssignedTo: [EMAIL PROTECTED]
        ReportedBy: [EMAIL PROTECTED]


Using: Xalan Java 2.4.1, Xerces-J 2.2.1, jdk-1.4.1_01


<?xml version="1.0" encoding="iso-8859-1"?>
<xsl:stylesheet
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
  xmlns:fo="http://www.w3.org/1999/XSL/Format";
  xmlns:func="http://exslt.org/functions";
  xmlns:ks="urn:ks"
  version="1.0">

  <xsl:output method="xml" encoding="iso-8859-1"/>

  <xsl:template match="/">
    <xsl:value-of select="ks:format-decimal('one', 'two')"/>
  </xsl:template>

  <func:function name="ks:test-function">
    <xsl:param name="one"/>
    <xsl:param name="two">2</xsl:param>

    <func:result select="$one"/>
  </func:function>

</xsl:stylesheet>


javax.xml.transform.TransformerException: java.lang.NullPointerException
        at 
org.apache.xalan.extensions.ExtensionHandlerExsltFunction.callFunction
(ExtensionHandlerExsltFunction.java:233)
        at org.apache.xalan.extensions.ExtensionsTable.extFunction
(ExtensionsTable.java:227)
        at org.apache.xalan.transformer.TransformerImpl.extFunction
(TransformerImpl.java:461)
        at org.apache.xpath.functions.FuncExtFunction.execute
(FuncExtFunction.java:233)
        at org.apache.xpath.Expression.executeCharsToContentHandler
(Expression.java:357)
        at org.apache.xalan.templates.ElemValueOf.execute(ElemValueOf.java:319)
        at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates
(TransformerImpl.java:2339)
        at org.apache.xalan.transformer.TransformerImpl.applyTemplateToNode
(TransformerImpl.java:2160)
        at org.apache.xalan.transformer.TransformerImpl.transformNode
(TransformerImpl.java:1213)
        at org.apache.xalan.transformer.TransformerImpl.transform
(TransformerImpl.java:668)
        at org.apache.xalan.transformer.TransformerImpl.transform
(TransformerImpl.java:1129)
        at org.apache.xalan.transformer.TransformerImpl.transform
(TransformerImpl.java:1107)
        at pt.keysoft.print.FopInterface.applyXslTransform
(FopInterface.java:202)
        at pt.keysoft.print.FopInterface.makePdf(FopInterface.java:140)
        at pt.keysoft.ztest.TestFop.main(TestFop.java:41)
Caused by: java.lang.NullPointerException
        at 
org.apache.xalan.extensions.ExtensionHandlerExsltFunction.callFunction
(ExtensionHandlerExsltFunction.java:220)
        ... 14 more
---------
java.lang.NullPointerException
        at 
org.apache.xalan.extensions.ExtensionHandlerExsltFunction.callFunction
(ExtensionHandlerExsltFunction.java:220)
        at org.apache.xalan.extensions.ExtensionsTable.extFunction
(ExtensionsTable.java:227)
        at org.apache.xalan.transformer.TransformerImpl.extFunction
(TransformerImpl.java:461)
        at org.apache.xpath.functions.FuncExtFunction.execute
(FuncExtFunction.java:233)
        at org.apache.xpath.Expression.executeCharsToContentHandler
(Expression.java:357)
        at org.apache.xalan.templates.ElemValueOf.execute(ElemValueOf.java:319)
        at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates
(TransformerImpl.java:2339)
        at org.apache.xalan.transformer.TransformerImpl.applyTemplateToNode
(TransformerImpl.java:2160)
        at org.apache.xalan.transformer.TransformerImpl.transformNode
(TransformerImpl.java:1213)
        at org.apache.xalan.transformer.TransformerImpl.transform
(TransformerImpl.java:668)
        at org.apache.xalan.transformer.TransformerImpl.transform
(TransformerImpl.java:1129)
        at org.apache.xalan.transformer.TransformerImpl.transform
(TransformerImpl.java:1107)
        at pt.keysoft.print.FopInterface.applyXslTransform
(FopInterface.java:202)
        at pt.keysoft.print.FopInterface.makePdf(FopInterface.java:140)
        at pt.keysoft.ztest.TestFop.main(TestFop.java:41)

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