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Bug #4245
closed
NullPointerException during static type checking of call to map:merge
Start date:
2019-07-02
Due date:
% Done:
100%
Estimated time:
Legacy ID:
Applies to branch:
9.9
Fix Committed on Branch:
9.9
Fixed in Maintenance Release:
Platforms:
Description
An NPE occurs when compiling the following stylesheet:
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:map="http://www.w3.org/2005/xpath-functions/map"
xmlns:my="http://www.example.com/xslt/fcn"
exclude-result-prefixes="xs map"
version="3.0">
<xsl:template match="/">
<xsl:variable name="map1" as="map(*)" select="map{'a':1}"/>
<xsl:variable name="map2" as="map(*)" select="map{'b':2}"/>
<!-- 2nd argument in map:merge() here compiles successfully. -->
<xsl:sequence select="map:merge(($map1,$map2),map{'key-type':'string'})"/>
</xsl:template>
<xsl:function name="my:myfcn" as="map(*)">
<xsl:variable name="map1" as="map(*)" select="map{'a':1}"/>
<xsl:variable name="map2" as="map(*)" select="map{'b':2}"/>
<xsl:sequence select="map:merge(($map1,$map2),map{'key-type':'string'})"/>
</xsl:function>
</xsl:stylesheet>
Updated by Michael Kay almost 5 years ago
- Status changed from New to Resolved
- Applies to branch 9.9 added
- Fix Committed on Branch 9.9 added
The problem occurs because, during static analysis, the value of the options parameter is examined without first being normalized (normalization would insert a default value for the "duplicates" option).
Work-around: add an explicit value for "duplicates" in the options parameter.
The code had already been corrected on the development branch.
Updated by O'Neil Delpratt over 4 years ago
- Status changed from Resolved to Closed
- % Done changed from 0 to 100
- Fixed in Maintenance Release 9.9.1.5 added
Bug fix applied in the Saxon 9.9.1.5 maintenance release.
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