Re: [xsl] Need a little help with xsl:evaluate

["Roger L Costello costello@xxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>]

Martin wrote:

>> Set the context item with e.g.
>>   <xsl:evaluate xpath="." context-item="."/>

Okay, I did that. It resulted in the following error message. Is this a bug in
Saxon?

java.lang.NullPointerException
        at java.base/java.util.Objects.requireNonNull(Objects.java:222)
        at
net.sf.saxon.trans.XmlProcessingIncident.<init>(XmlProcessingIncident.java:52)
        at net.sf.saxon.Controller.warning(Controller.java:469)
        at
net.sf.saxon.expr.instruct.EvaluateInstr$1.issueWarning(EvaluateInstr.java:35
4)
        at
net.sf.saxon.expr.ValueComparison.typeCheck(ValueComparison.java:205)
        at
net.sf.saxon.expr.instruct.EvaluateInstr.iterate(EvaluateInstr.java:444)
        at net.sf.saxon.expr.Expression.process(Expression.java:949)
        at
net.sf.saxon.expr.instruct.ElementCreator.processLeavingTail(ElementCreator.j
ava:346)
        at
net.sf.saxon.expr.instruct.ElementCreator.processLeavingTail(ElementCreator.j
ava:292)
        at
net.sf.saxon.expr.instruct.Instruction.process(Instruction.java:136)
        at
net.sf.saxon.expr.instruct.ForEach.lambda$processLeavingTail$0(ForEach.java:4
89)
        at
net.sf.saxon.om.SequenceIterator.forEachOrFail(SequenceIterator.java:135)
        at
net.sf.saxon.expr.instruct.ForEach.processLeavingTail(ForEach.java:489)
        at
net.sf.saxon.expr.instruct.Instruction.process(Instruction.java:136)
        at
net.sf.saxon.expr.instruct.ElementCreator.processLeavingTail(ElementCreator.j
ava:346)
        at
net.sf.saxon.expr.instruct.ElementCreator.processLeavingTail(ElementCreator.j
ava:292)
        at
net.sf.saxon.expr.instruct.TemplateRule.applyLeavingTail(TemplateRule.java:37
4)
        at net.sf.saxon.trans.Mode.applyTemplates(Mode.java:555)
        at
net.sf.saxon.trans.XsltController.applyTemplates(XsltController.java:659)
        at
net.sf.saxon.s9api.AbstractXsltTransformer.applyTemplatesToSource(AbstractXsl
tTransformer.java:360)
        at
net.sf.saxon.s9api.Xslt30Transformer.applyTemplates(Xslt30Transformer.java:28
5)
        at net.sf.saxon.Transform.processFile(Transform.java:1313)
        at net.sf.saxon.Transform.doTransform(Transform.java:853)
        at net.sf.saxon.Transform.main(Transform.java:82)
java.lang.RuntimeException: Internal error evaluating template rule  at line 8
in module file:/C:/verify.xsl
        at
net.sf.saxon.expr.instruct.TemplateRule.applyLeavingTail(TemplateRule.java:39
3)
        at net.sf.saxon.trans.Mode.applyTemplates(Mode.java:555)
        at
net.sf.saxon.trans.XsltController.applyTemplates(XsltController.java:659)
        at
net.sf.saxon.s9api.AbstractXsltTransformer.applyTemplatesToSource(AbstractXsl
tTransformer.java:360)
        at
net.sf.saxon.s9api.Xslt30Transformer.applyTemplates(Xslt30Transformer.java:28
5)
        at net.sf.saxon.Transform.processFile(Transform.java:1313)
        at net.sf.saxon.Transform.doTransform(Transform.java:853)
        at net.sf.saxon.Transform.main(Transform.java:82)
Caused by: java.lang.NullPointerException
        at java.base/java.util.Objects.requireNonNull(Objects.java:222)
        at
net.sf.saxon.trans.XmlProcessingIncident.<init>(XmlProcessingIncident.java:52)
        at net.sf.saxon.Controller.warning(Controller.java:469)
        at
net.sf.saxon.expr.instruct.EvaluateInstr$1.issueWarning(EvaluateInstr.java:35
4)
        at
net.sf.saxon.expr.ValueComparison.typeCheck(ValueComparison.java:205)
        at
net.sf.saxon.expr.instruct.EvaluateInstr.iterate(EvaluateInstr.java:444)
        at net.sf.saxon.expr.Expression.process(Expression.java:949)
        at
net.sf.saxon.expr.instruct.ElementCreator.processLeavingTail(ElementCreator.j
ava:346)
        at
net.sf.saxon.expr.instruct.ElementCreator.processLeavingTail(ElementCreator.j
ava:292)
        at
net.sf.saxon.expr.instruct.Instruction.process(Instruction.java:136)
        at
net.sf.saxon.expr.instruct.ForEach.lambda$processLeavingTail$0(ForEach.java:4
89)
        at
net.sf.saxon.om.SequenceIterator.forEachOrFail(SequenceIterator.java:135)
        at
net.sf.saxon.expr.instruct.ForEach.processLeavingTail(ForEach.java:489)
        at
net.sf.saxon.expr.instruct.Instruction.process(Instruction.java:136)
        at
net.sf.saxon.expr.instruct.ElementCreator.processLeavingTail(ElementCreator.j
ava:346)
        at
net.sf.saxon.expr.instruct.ElementCreator.processLeavingTail(ElementCreator.j
ava:292)
        at
net.sf.saxon.expr.instruct.TemplateRule.applyLeavingTail(TemplateRule.java:37
4)
        ... 7 more