Greg,
Can you show how you are calling into FOP? Through the command-line or
embedded in your Java app? FOP can take either an XSL-FO document or an
XML/XSLT document pair that generates the XSL-FO and then turns around and
processes that FO. While I'm guessing a bit here, this error seems like
something that would happen if you were using the XSL-FO input example but
passing in an XSLT stylesheet instead of an XSL-FO doc.
For example, to pass XML/XSLT into FOP do something like this (taken from the
FOP examples):
TransformerFactory factory = TransformerFactory.newInstance();
Transformer transformer = factory.newTransformer(new
StreamSource(xsltfile));
Source src = new StreamSource(xmlfile);
Result res = new SAXResult(fop.getDefaultHandler());
transformer.transform(src, res);
But to just pass in an FO doc:
TransformerFactory factory = TransformerFactory.newInstance();
Transformer transformer = factory.newTransformer();
Source src = new StreamSource(fo);
Result res = new SAXResult(fop.getDefaultHandler());
transformer.transform(src, res);
Something else to try is to just take FOP out of the equation and do a simple
XSLT transformation. You would expect an XSL-FO document as the result of the
transformation, and if that doesn't happen then that would point you to why FOP
is choking.
Sean
From: Patterson, Gregory Michael [mailto:[email protected]]
Sent: Tuesday, December 16, 2008 3:16 PM
To: [email protected]
Subject: FOP XML->XSLT->FOP PDF Issues
Hello,
I'm having some trouble getting the FOP to properly use an xslt stylesheet.
I am getting a ValidationException saying I need to put fo:root at the top.
My first element is an xsl element, but the first fo: element is
fo:root. This is exactly the same format as the examples in the fop
examples packages.
In my case, I need to pull the appropriate xsl from a database, and
below is what I'm getting back:
<?xml version="1.0" encoding="UTF-8"?><xsl:stylesheet
xmlns:fo="http://www.w3.org/1999/XSL/Format";
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; exclude-result-prefixes="fo"
version="1.1">
<xsl:output indent="yes" method="xml" omit-xml-declaration="no"
version="1.0"/>
<xsl:param name="versionParam" select="'1.0'"/>
<!-- ========================= -->
<!-- root element: projectteam -->
<!-- ========================= -->
<xsl:template match="projectteam">
<fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format";>
<fo:layout-master-set>
.
.
.
Here is the error:
(Location of error unknown)org.apache.fop.fo.ValidationException: Error: First
element must be the fo:root formatting object. Found (Namespace URI: "", Local
Name: "stylesheet") instead. Please make sure you're producing a valid XSL-FO
document
Finished.
If you'll notice, the first fo element is fo:root, but I do have other things
(required afaik) before it.
Thanks in advance for any help.
-Greg
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