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https://issues.apache.org/jira/browse/XALANJ-2787?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17886372#comment-17886372
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Martin Honnen commented on XALANJ-2787:
---------------------------------------
[~mukul_gandhi] , thanks for the explanation, I don't see any improvement after
pulling the latest updates to the branch, however, your suggested workaround
works, although it seems quite cumbersome having to use a variable for stuff
like this. I would be nice if the XPath 3.1 support in Xalan's XSLT 3
development branch could be improved to allow one to compose XPath 3.1
expressions according to the language grammar/spec/definition.
> java.lang.StackOverflowError with except operator in XSLT 3 code
> ----------------------------------------------------------------
>
> Key: XALANJ-2787
> URL: https://issues.apache.org/jira/browse/XALANJ-2787
> 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, Xalan-CmdLine
> Affects Versions: The Latest Development Code
> Environment: Windows 11, Java 8
> Reporter: Martin Honnen
> Priority: Major
> Attachments: except-input-sample2.xml, except-test2.xsl
>
>
> This is a bug report on the XSLT 3.0 development branch of Xalan.
> I have tried to use the newly implemented `except` operator but get a
> java.lang.StackOverflowError with a simple test case that runs fine with
> Saxon HE 12 Java.
> XSLT code:
>
> {code:java}
> <?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:template match="@* | node()">
> <xsl:copy>
> <xsl:apply-templates select="@* | node()"/>
> </xsl:copy>
> </xsl:template>
> <xsl:template match="/*">
> <xsl:copy>
> <xsl:apply-templates select="* except (foo, bar)"/>
> </xsl:copy>
> </xsl:template>
> <xsl:template match="/">
> <xsl:copy>
> <xsl:apply-templates/>
> <xsl:comment>Run with <xsl:value-of
> select="system-property('xsl:vendor')"/> at <xsl:value-of
> select="current-dateTime()"/></xsl:comment>
> </xsl:copy>
> </xsl:template>
> </xsl:stylesheet>
> {code}
>
> XML input sample:
> {code:java}
> <root>
> <foo>foo 1</foo>
> <bar>bar 1</bar>
> <baz>baz 1</baz>
> <foo>foo 2</foo>
> <baz>baz 2</baz>
> </root>{code}
> Result with Xalan:
>
> {noformat}
> file:///C:/Users/marti/IdeaProjects/xalan-java/../../OneDrive/Documents/xslt/blog-xslt-3-by-example/xalan-xslt3-tests/except-test2.xsl;
> Zeilennummer17; Spaltennummer58; Erwartet wurde ), gefunden wurde: ,
> file:///C:/Users/marti/IdeaProjects/xalan-java/../../OneDrive/Documents/xslt/blog-xslt-3-by-example/xalan-xslt3-tests/except-test2.xsl;
> Zeilennummer17; Spaltennummer58; Erwartet wurde ), gefunden wurde: ,
> (Position des Fehlers unbekannt)XSLT-Fehler (java.lang.StackOverflowError):
> null
> Exception in thread "main" java.lang.RuntimeException
> at org.apache.xalan.xslt.Process.doExit(Process.java:1176)
> at org.apache.xalan.xslt.Process.main(Process.java:1149)
> {noformat}
> Result with Saxon:
>
> {code:java}
> <?xml version="1.0" encoding="UTF-8"?>
> <root>
> <baz>baz 1</baz>
> <baz>baz 2</baz>
> </root>
> <!--Run with Saxonica at 2024-10-02T13:35:37.9336156+02:00-->{code}
>
>
>
>
>
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