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Bug #4975 ยป Re_ [Saxon - Bug #4975] Null pointer exception when XSLT 3.0 run from the command line - 2021-04-22T18_07_57Z.eml

Graydon Saunders, 2021-04-22 20:07

 
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Date: Thu, 22 Apr 2021 14:07:34 -0400
From: Graydon <graydonish@gmail.com>
To: Saxonica Developer Community <inbox+saxonica+f38e+saxon@plan.io>
Subject: Re: [Saxon - Bug #4975] Null pointer exception when XSLT 3.0 run
from the command line
Message-ID: <YIG7ZjO/uOvx5tbB@menja>
Reply-To: graydonish@gmail.com
References: <redmine.issue-4975.20210422164522@plan.io>
<redmine.journal-17870.20210422172045.aaa1ec1f40ee1dee@plan.io>
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In-Reply-To: <redmine.journal-17870.20210422172045.aaa1ec1f40ee1dee@plan.io>

> Thanks for sending the repro (offline). Sure enough, line 85 uses `on-error=warning`, so changing that should enable you to make progress while we fix the bug.

on-error=ignore continues to produce a null-pointer exception;
on-error=fail fails politely on a specific file, which I can certainly
fix.

Thank you; gets me unstuck.

On Thu, Apr 22, 2021 at 07:20:45PM +0200, Saxonica Developer Community scripsit:
> --- In your reply, please do not write below this line ---
>
> Issue #4975 has been updated by Michael Kay.
>
>
> Thanks for sending the repro (offline). Sure enough, line 85 uses `on-error=warning`, so changing that should enable you to make progress while we fix the bug.
>
> ----------------------------------------
> Bug #4975: Null pointer exception when XSLT 3.0 run from the command line
> https://saxonica.plan.io/issues/4975?pn=1#change-17870
>
> * Author: Graydon Saunders
> * Status: New
> * Priority: Normal
> * Assignee:
> * Category:
> * Sprint/Milestone:
> * Legacy ID:
> * Applies to branch: 10
> * Fix Committed on Branch:
> * Fixed in Maintenance Release:
> ----------------------------------------
> in oXygen (<oXygen/> XML Editor 23.1, build 2021040908) with the 10.3 external add-on, the transform (small.xsl) works. oXygen 23 uses a Java 15 JRE
>
> 17:40 bin % ./java --version
> openjdk 15.0.1 2020-10-20
> OpenJDK Runtime Environment (build 15.0.1+9-18)
> OpenJDK 64-Bit Server VM (build 15.0.1+9-18, mixed mode)
>
> If I try to call small.xsl from the shell (Linux; Fedora 33, bash 5.0.17) using small.sh, I get a null pointer error.
>
> I believe I have exhausted my ingenuity on this one and have a minimal example which I would prefer to send under separate cover.
>
> The code from which the minimal example has been extracted has been working fine in oXygen; the minimal example itself runs fine in oXygen. Trying to run it from the command line for automated testing purposes hasn't made it past the null pointer error. Various other transforms run fine, Saxon finds the license OK, etc. I get what I think is the same error with Saxon 10.3 and 10.5, and with Java 11 and Java 16.
>
> 15:48 tests % java --version
> openjdk 11.0.10 2021-01-19
> OpenJDK Runtime Environment 18.9 (build 11.0.10+9)
> OpenJDK 64-Bit Server VM 18.9 (build 11.0.10+9, mixed mode, sharing)
>
> 15:54 tests % /etc/alternatives/java_sdk_16/bin/java --version
> openjdk 16 2021-03-16
> OpenJDK Runtime Environment 21.3 (build 16+36)
> OpenJDK 64-Bit Server VM 21.3 (build 16+36, mixed mode, sharing)
>
> Stack Trace:
> 17:42 tests % ./small.sh (DITA2Word)-[one-githubTests-gds]
> java.lang.NullPointerException
> at java.base/java.util.Objects.requireNonNull(Objects.java:221)
> at net.sf.saxon.trans.XmlProcessingIncident.<init>(XmlProcessingIncident.java:52)
> at net.sf.saxon.Controller.warning(Controller.java:469)
> at net.sf.saxon.resource.XmlResource.getItem(XmlResource.java:162)
> at net.sf.saxon.resource.UnknownResource.getItem(UnknownResource.java:88)
> at net.sf.saxon.resource.MetadataResource.lambda$getItem$0(MetadataResource.java:64)
> at net.sf.saxon.functions.CallableFunction.call(CallableFunction.java:128)
> at net.sf.saxon.functions.SystemFunction.dynamicCall(SystemFunction.java:459)
> at net.sf.saxon.functions.ApplyFn.call(ApplyFn.java:166)
> at net.sf.saxon.expr.FunctionCall.iterate(FunctionCall.java:548)
> at net.sf.saxon.expr.CardinalityChecker.evaluateItem(CardinalityChecker.java:283)
> at net.sf.saxon.expr.ItemChecker.evaluateItem(ItemChecker.java:255)
> at net.sf.saxon.expr.parser.Evaluator$5.evaluate(Evaluator.java:151)
> at net.sf.saxon.expr.parser.Evaluator$5.evaluate(Evaluator.java:148)
> at net.sf.saxon.expr.UserFunctionCall.evaluateArguments(UserFunctionCall.java:662)
> at net.sf.saxon.expr.UserFunctionCall.evaluateArguments(UserFunctionCall.java:644)
> at net.sf.saxon.expr.UserFunctionCall.callFunction(UserFunctionCall.java:534)
> at net.sf.saxon.expr.UserFunctionCall.evaluateItem(UserFunctionCall.java:491)
> at net.sf.saxon.expr.LookupExpression.iterate(LookupExpression.java:337)
> at net.sf.saxon.expr.parser.Evaluator$7.evaluate(Evaluator.java:199)
> at net.sf.saxon.expr.SystemFunctionCall.evaluateArguments(SystemFunctionCall.java:454)
> at net.sf.saxon.expr.FunctionCall.iterate(FunctionCall.java:546)
> at net.sf.saxon.expr.instruct.ForEach.map(ForEach.java:584)
> at net.sf.saxon.expr.ContextMappingIterator.next(ContextMappingIterator.java:61)
> at net.sf.saxon.om.FocusTrackingIterator.next(FocusTrackingIterator.java:76)
> at net.sf.saxon.om.SequenceIterator.forEachOrFail(SequenceIterator.java:135)
> at net.sf.saxon.expr.instruct.ForEach.processLeavingTail(ForEach.java:526)
> at net.sf.saxon.expr.instruct.Instruction.process(Instruction.java:142)
> at net.sf.saxon.expr.instruct.ElementCreator.processLeavingTail(ElementCreator.java:352)
> at net.sf.saxon.expr.instruct.ElementCreator.processLeavingTail(ElementCreator.java:298)
> at com.saxonica.ee.bytecode.ByteCodeCandidate.processLeavingTail(ByteCodeCandidate.java:185)
> at net.sf.saxon.expr.instruct.NamedTemplate.expand(NamedTemplate.java:264)
> at net.sf.saxon.trans.XsltController.callTemplate(XsltController.java:850)
> at net.sf.saxon.s9api.Xslt30Transformer.callTemplate(Xslt30Transformer.java:480)
> at net.sf.saxon.Transform.processFile(Transform.java:1306)
> at net.sf.saxon.Transform.doTransform(Transform.java:853)
> at net.sf.saxon.Transform.main(Transform.java:82)
> Fatal error during transformation: java.lang.NullPointerException: (no message)
>
>
>
>
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