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https://issues.apache.org/jira/browse/XALANJ-2800?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mukul Gandhi resolved XALANJ-2800.
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Assignee: Mukul Gandhi
Resolution: Fixed
I'm resolving this jira issue as fixed. The fix for this jira issue, has been
committed to Xalan-J's XSL 3 dev repos branch.
> NullPointerException when using XSLT key function call on right side of XPath
> 3.1 map ! operator
> ------------------------------------------------------------------------------------------------
>
> Key: XALANJ-2800
> URL: https://issues.apache.org/jira/browse/XALANJ-2800
> Project: XalanJ2
> Issue Type: Bug
> Security Level: No security risk; visible to anyone(Ordinary problems in
> Xalan projects. Anybody can view the issue.)
> Components: transformation, Xalan-CmdLine
> Affects Versions: The Latest Development Code
> Environment: Java 8, Windows 11
> Reporter: Martin Honnen
> Assignee: Mukul Gandhi
> Priority: Major
> Attachments: cars.xml, key-fn-call-in-map-exp-test2.xsl
>
>
> Using the latest Xalan XSLT 3.0 development branch, I get a
> NullPointerException when trying to use an XSLT key function call on the
> right side of the XPath 3.1 map operator "!".
>
> Expected result: the code should not give any errors but output e.g.
> {code:xml}
> <?xml version="1.0" encoding="UTF-8"?>
> <set>
> <problem>
> <question>Which lots have red cars?</question>
> <answer>
> <lot id="L"/>
> <lot id="L"/>
> <lot id="N"/>
> </answer>
> </problem>
> </set>
> {code}
> The XSLT code:
> {code:xml}
> <?xml version="1.0" encoding="utf-8"?>
> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
> version="3.0"
> xmlns:xs="http://www.w3.org/2001/XMLSchema";
> exclude-result-prefixes="xs">
> <xsl:output method="xml" indent="yes"/>
> <xsl:key name="car-by-color" match="cars/car" use="@color"/>
>
> <xsl:key name="lot-for-car" match="lot" use="car/@vin"/>
>
> <xsl:template match="lot">
> <lot id="{@id}"/>
> </xsl:template>
>
> <xsl:template match="/">
> <set>
> <problem>
> <question>Which lots have red cars?</question>
> <answer>
> <xsl:apply-templates select="(key('car-by-color', 'red') !
> key('lot-for-car', @vin))"/>
> </answer>
> </problem>
> </set>
> </xsl:template>
> </xsl:stylesheet>
> {code}
> XML input:
> {code:xml}
> <dir>
> <cars>
> <car vin="101" color="red"/>
> <car vin="102" color="green"/>
> <car vin="103" color="red"/>
> <car vin="104" color="red"/>
> </cars>
> <lots>
> <lot id="L">
> <car vin="101"/>
> <car vin="103"/>
> </lot>
> <lot id="M">
> <car vin="102"/>
> </lot>
> <lot id="N">
> <car vin="104"/>
> </lot>
> </lots>
> </dir>
> {code}
> Full error output:
> {code:java}
> <?xml version="1.0" encoding="UTF-8"?><set>
> <problem>
> <question>Which lots have red
> cars?</question>file:///C:/Users/marti/IdeaProjects/xalan-java/../../OneDrive/Documents/xslt/blog-xslt-3-by-example/xalan-xslt3-tests/key-fn-call-in-map-exp-test2.xsl;
> Zeilennummer22; Spaltennummer106; java.lang.NullPointerException
> {code}
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