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https://issues.apache.org/jira/browse/FOP-2513?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14699095#comment-14699095
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Pascal Sancho commented on FOP-2513:
------------------------------------
I guess you fed FOP directly with your XML.
FOP expects XSL-FO as input.
As a convenience, FOP dist provides Xalan, an XSLT engine, letting you to feed
FOP with both XML and XSLT; this transformation is completed before feeding FOP
internally with the resulting XSL-FO.
If I guess wrong, please give further info, if I'm right, please close the
issue.
> First element must be the fo:root formatting object
> ---------------------------------------------------
>
> Key: FOP-2513
> URL: https://issues.apache.org/jira/browse/FOP-2513
> Project: FOP
> Issue Type: Bug
> Affects Versions: 2.0
> Reporter: Mathieu Malaterre
>
> With:
> $ cat in.xml
>
> /tmp
> <?xml version="1.0" encoding="UTF-8"?>
> <!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
> "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd";>
> <article>
> <articleinfo>
> <title>title</title>
> <author>
> <firstname>author</firstname>
> <surname>author2</surname>
> <affiliation>
> <orgname>bla</orgname>
> </affiliation>
> </author>
> <pubdate>2001</pubdate>
> </articleinfo>
> <section>
> <title>section 1</title>
> <para>text section 1</para>
> <figure>
> <title>first</title>
> <mediaobject>
> <imageobject>
> <imagedata fileref="openlogo-100.png"/>
> </imageobject>
> </mediaobject>
> </figure>
> </section>
> </article>
> and:
> $ wget http://www.debian.org/logos/openlogo-100.png
> here is what I get:
> $ fop in.xml in.pdf
> [ERROR] FOP - Exception <org.apache.fop.apps.FOPException:
> org.apache.fop.fo.ValidationException: First element must be the fo:root
> formatting object. Found (Namespace URI: "", Local Name: "article") instead.
> Please make sure you're producing a valid XSL-FO document.
> javax.xml.transform.TransformerException:
> org.apache.fop.fo.ValidationException: First element must be the fo:root
> formatting object. Found (Namespace URI: "", Local Name: "article") instead.
> Please make sure you're producing a valid XSL-FO
> document.>org.apache.fop.apps.FOPException:
> org.apache.fop.fo.ValidationException: First element must be the fo:root
> formatting object. Found (Namespace URI: "", Local Name: "article") instead.
> Please make sure you're producing a valid XSL-FO document.
> javax.xml.transform.TransformerException:
> org.apache.fop.fo.ValidationException: First element must be the fo:root
> formatting object. Found (Namespace URI: "", Local Name: "article") instead.
> Please make sure you're producing a valid XSL-FO document.
> at org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:288)
> at org.apache.fop.cli.InputHandler.renderTo(InputHandler.java:115)
> at org.apache.fop.cli.Main.startFOP(Main.java:186)
> at org.apache.fop.cli.Main.main(Main.java:217)
> Caused by: javax.xml.transform.TransformerException:
> org.apache.fop.fo.ValidationException: First element must be the fo:root
> formatting object. Found (Namespace URI: "", Local Name: "article") instead.
> Please make sure you're producing a valid XSL-FO document.
> at
> org.apache.xalan.transformer.TransformerIdentityImpl.transform(TransformerIdentityImpl.java:502)
> at org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:285)
> ... 3 more
> Caused by: org.apache.fop.fo.ValidationException: First element must be the
> fo:root formatting object. Found (Namespace URI: "", Local Name: "article")
> instead. Please make sure you're producing a valid XSL-FO document.
> at
> org.apache.fop.events.ValidationExceptionFactory.createException(ValidationExceptionFactory.java:38)
> at
> org.apache.fop.events.EventExceptionManager.throwException(EventExceptionManager.java:58)
> at
> org.apache.fop.events.DefaultEventBroadcaster$1.invoke(DefaultEventBroadcaster.java:175)
> at com.sun.proxy.$Proxy0.invalidFORoot(Unknown Source)
> at
> org.apache.fop.fo.FOTreeBuilder$MainFOHandler.startElement(FOTreeBuilder.java:269)
> at org.apache.fop.fo.FOTreeBuilder.startElement(FOTreeBuilder.java:179)
> at
> org.apache.xalan.transformer.TransformerIdentityImpl.startElement(TransformerIdentityImpl.java:1073)
> at org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown
> Source)
> at org.apache.xerces.xinclude.XIncludeHandler.startElement(Unknown
> Source)
> at org.apache.xerces.impl.dtd.XMLDTDValidator.startElement(Unknown
> Source)
> at
> org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown
> Source)
> at
> org.apache.xerces.impl.XMLNSDocumentScannerImpl$NSContentDispatcher.scanRootElementHook(Unknown
> Source)
> at
> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown
> Source)
> at
> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown
> Source)
> at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
> at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
> at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
> at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
> at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown
> Source)
> at
> org.apache.xalan.transformer.TransformerIdentityImpl.transform(TransformerIdentityImpl.java:485)
> ... 4 more
> ---------
> javax.xml.transform.TransformerException:
> org.apache.fop.fo.ValidationException: First element must be the fo:root
> formatting object. Found (Namespace URI: "", Local Name: "article") instead.
> Please make sure you're producing a valid XSL-FO document.
> at
> org.apache.xalan.transformer.TransformerIdentityImpl.transform(TransformerIdentityImpl.java:502)
> at org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:285)
> at org.apache.fop.cli.InputHandler.renderTo(InputHandler.java:115)
> at org.apache.fop.cli.Main.startFOP(Main.java:186)
> at org.apache.fop.cli.Main.main(Main.java:217)
> Caused by: org.apache.fop.fo.ValidationException: First element must be the
> fo:root formatting object. Found (Namespace URI: "", Local Name: "article")
> instead. Please make sure you're producing a valid XSL-FO document.
> at
> org.apache.fop.events.ValidationExceptionFactory.createException(ValidationExceptionFactory.java:38)
> at
> org.apache.fop.events.EventExceptionManager.throwException(EventExceptionManager.java:58)
> at
> org.apache.fop.events.DefaultEventBroadcaster$1.invoke(DefaultEventBroadcaster.java:175)
> at com.sun.proxy.$Proxy0.invalidFORoot(Unknown Source)
> at
> org.apache.fop.fo.FOTreeBuilder$MainFOHandler.startElement(FOTreeBuilder.java:269)
> at org.apache.fop.fo.FOTreeBuilder.startElement(FOTreeBuilder.java:179)
> at
> org.apache.xalan.transformer.TransformerIdentityImpl.startElement(TransformerIdentityImpl.java:1073)
> at org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown
> Source)
> at org.apache.xerces.xinclude.XIncludeHandler.startElement(Unknown
> Source)
> at org.apache.xerces.impl.dtd.XMLDTDValidator.startElement(Unknown
> Source)
> at
> org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown
> Source)
> at
> org.apache.xerces.impl.XMLNSDocumentScannerImpl$NSContentDispatcher.scanRootElementHook(Unknown
> Source)
> at
> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown
> Source)
> at
> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown
> Source)
> at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
> at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
> at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
> at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
> at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown
> Source)
> at
> org.apache.xalan.transformer.TransformerIdentityImpl.transform(TransformerIdentityImpl.java:485)
> ... 4 more
> ---------
> org.apache.fop.fo.ValidationException: First element must be the fo:root
> formatting object. Found (Namespace URI: "", Local Name: "article") instead.
> Please make sure you're producing a valid XSL-FO document.
> at
> org.apache.fop.events.ValidationExceptionFactory.createException(ValidationExceptionFactory.java:38)
> at
> org.apache.fop.events.EventExceptionManager.throwException(EventExceptionManager.java:58)
> at
> org.apache.fop.events.DefaultEventBroadcaster$1.invoke(DefaultEventBroadcaster.java:175)
> at com.sun.proxy.$Proxy0.invalidFORoot(Unknown Source)
> at
> org.apache.fop.fo.FOTreeBuilder$MainFOHandler.startElement(FOTreeBuilder.java:269)
> at org.apache.fop.fo.FOTreeBuilder.startElement(FOTreeBuilder.java:179)
> at
> org.apache.xalan.transformer.TransformerIdentityImpl.startElement(TransformerIdentityImpl.java:1073)
> at org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown
> Source)
> at org.apache.xerces.xinclude.XIncludeHandler.startElement(Unknown
> Source)
> at org.apache.xerces.impl.dtd.XMLDTDValidator.startElement(Unknown
> Source)
> at
> org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown
> Source)
> at
> org.apache.xerces.impl.XMLNSDocumentScannerImpl$NSContentDispatcher.scanRootElementHook(Unknown
> Source)
> at
> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown
> Source)
> at
> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown
> Source)
> at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
> at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
> at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
> at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
> at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown
> Source)
> at
> org.apache.xalan.transformer.TransformerIdentityImpl.transform(TransformerIdentityImpl.java:485)
> at org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:285)
> at org.apache.fop.cli.InputHandler.renderTo(InputHandler.java:115)
> at org.apache.fop.cli.Main.startFOP(Main.java:186)
> at org.apache.fop.cli.Main.main(Main.java:217)
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