Re: [xsl] Suggestion for handling an endless loop

Subject: Re: [xsl] Suggestion for handling an endless loop
From: "Mark Giffin m1879@xxxxxxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 18 Oct 2019 22:34:46 -0000
Text change in stylesheet only, so I changed this:

<xsl:stylesheet version="2.0">

to this:

<xsl:stylesheet version="1.0">

That's the entire fix. I did not change XSLT processors or any other code.

On 10/18/2019 2:54 PM, Michael Kay mike@xxxxxxxxxxxx wrote:
> When you say you "change it to 1.0", do you mean that you change the 
> version number in the xsl:stylesheet element, or that you change the 
> XSLT processor you are using, or both?
> Michael Kay
> Saxonica
>> On 18 Oct 2019, at 22:06, Mark Giffin m1879@xxxxxxxxxxxxx 
>> <mailto:m1879@xxxxxxxxxxxxx> <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx 
>> <mailto:xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>> wrote:
>> I'm getting what appears to be an endless loop while running XSLT 
>> 2.0. It hangs when transforming a certain XML file, and I can watch 
>> the memory consumption rise to as much as 9 GB, and it apparently 
>> will never end. I have to force it to stop. When I change it back to 
>> XSLT 1.0, it runs fine, and when it hits the same file it hung up on 
>> with 2.0, it transforms in a second or two with 1.0. The XSLT does 
>> not use any 2.0 capabilities yet. The only change is changing 2.0 to 
>> 1.0 in <xsl:stylesheet version="2.0">.
>> I'm interested in methods to debug something like this. Where to 
>> look? I notice Oxygen has an XSLT profiler.
>> Details:
>> The XSLT is running under the DITA Open Toolkit version 3.3.2 (late 
>> model). I am converting an HTML-based publishing output from a much 
>> older version of the DITA OT, 1.8.5 (where the code worked). It looks 
>> like the 3.3.2 OT uses Saxon-HE-9.8.0-14.jar.
>> Thanks,
>> Mark
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