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Alright, that sounds logical. I assume that in this case $original is a variable that refers to the <original> element in the input XML file?I want to match the nodes *inside* the <selection> node against the nodes *inside* the original node. I constantly get an error like this when trying to use the deep-equal function: [error] ERROR: 'Error checking type of the expression 'funcall(deep-equal, [ParentLocationPath(ParentLocationPath(step("child", 14), step("child", 15)), step("child", -1)), ParentLocationPath(ParentLocationPath(step("child", 14), step("child", 15)), step("child", -1))])'.' FATAL ERROR: 'Could not compile stylesheet' Error creating transformer javax.xml.transform.TransformerConfigurationException: Could not compile stylesheet at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl.newTemplates(TransformerFactoryImpl.java:824) at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl.newTransformer(TransformerFactoryImpl.java:613) at Main.getTransformer(Main.java:128) at Main.compare(Main.java:70) at Main.<init>(Main.java:44) at Main.main(Main.java:53) ------------------------------------ Parsing body[<compare><selection><z color="blue" flavor="vanilla">testje</z></selection><original><e><x color="red" flavor="chocolate">testje 2</x><z color="blue" flavor="vanilla">testje</z></e></original></compare>] Exception in thread "main" java.lang.NullPointerException at Main.compare(Main.java:79) at Main.<init>(Main.java:44) at Main.main(Main.java:53) [/error] This is my stylesheet: [stylesheet] <?xml version="1.0" encoding="ISO-8859-1"?> <xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:template match="/"> <xsl:choose> <xsl:when test="deep-equal(compare/selection/node(), compare/selection/node())">true</xsl:when> <xsl:otherwise>false</xsl:otherwise> </xsl:choose> </xsl:template> </xsl:stylesheet> [/stylesheet] As you can see I am trying to compare the node inside the selection element to itself, just to check if everything is working. This is the input: [input] <compare> <selection> <z color="blue" flavor="vanilla">testje</z> </selection> <original> <e> <x color="red" flavor="chocolate">testje 2</x> <z color="blue" flavor="vanilla">testje</z> </e> </original> </compare> [/input] -- Best regards, Jethro Borsje http://www.jborsje.nl
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