Another user hit this recently and it turned out they were running the same
Transformer in two different threads at the same time. It can also represent
a circularity among global variables. Either way, it's probably a
Saxon-specific issue and should be raised on the Saxon list rather than
here.
Michael Kay
http://www.saxonica.com/
-----Original Message-----
From: cknell(_at_)onebox(_dot_)com [mailto:cknell(_at_)onebox(_dot_)com]
Sent: 27 July 2006 14:56
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: [xsl] Attempt to access a lazily-evaluated variable
while it is being evaluated
I have a stylesheet whose purpose is to merge a number of
small XML documents. The number is 24. I do this in a
stylesheet whose general form is:
<xsl:param name="document-name-1" />
..
<xsl:param name="document-name-23" />
(For those of you who are wondering, the twenty-fourth
document is the one passed to the transformation on the command line.)
<xsl:variable name="doc-document-name-1"
select="document($document-name-1)" /> ..
<xsl:variable name="doc-document-name-23"
select="document($document-name-23)" />
<xsl:template match="/">
<report>
<xsl:copy-of select="ROWSET/ROW/*" />
<xsl:copy-of select="$doc-document-name-1/ROWSET/ROW/*" />
...
<xsl:copy-of select="$doc-document-name-23/ROWSET/ROW/*" />
</report>
</xsl:template>
Processing this with Saxon 8.7.1J, when the transformation
gets to the <xsl:copy-of> that corresponds to document 21,
the transformation fails with this error message:
"Fatal Error! Attempt to access a lazily-evaluated variable
while it is being evaluated"
All the variables are defined in the same format, so I'm
stumped for a reason why document 21 is a lazily-evaluated
variable while documents 1 - 20 are not.
Can anyone shed some light on this?
Thanks.
--
Charles Knell
cknell(_at_)onebox(_dot_)com - email
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