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Posted to fop-users@xmlgraphics.apache.org by Björn Stenersen <bj...@kessler-beratung.de> on 2013/08/05 08:29:13 UTC

Problem with PDF/A and XMP-Metadata

Hello,
i am trying to create a pdf/a with FOP 1.1, but the validation of the 
generated PDF always fails due to corrupt xmp-metadata.
I tried several Validators, all of them report the same error:

XMP metadata: Property 'language' in predefined XMP schema 
'http://purl.org/dc/elements/1.1/' for PDF/A has wrong value type (must 
be 'rdf:bag')

(http://www.pdflib.com/knowledge-base/xmp-metadata/free-xmp-validator/)

So I tried to fix the problem by declaring the language-property in my 
fo:declarations-section:

<fo:declarations>
	<x:xmpmeta xmlns:x="adobe:ns:meta/" 
xmlns:dc="http://purl.org/dc/elements/1.1/" 
xmlns:xmp="http://ns.adobe.com/xap/1.0/" 
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
		<dc:creator>
			<rdf:Seq>
				<rdf:li>
					CREATOR
				</rdf:li>
			</rdf:Seq>
		</dc:creator>
		<dc:language>
			<rdf:Bag>
				<rdf:li>
					de-DE
				</rdf:li>
			</rdf:Bag>
		</dc:language>
		<dc:date>
		<rdf:Seq>
			<rdf:li>1999-08-01T12:56:02+02:00</rdf:li>
		</rdf:Seq>
	 </dc:date>
		<xmp:CreatorTool>My App</xmp:CreatorTool>
	</x:xmpmeta>
</fo:declarations>

In the resulting PDF the metadata looks like this:

<?xpacket begin="" id="W5M0MpCehiHzreSzNTczkc9d"?><x:xmpmeta 
xmlns:x="adobe:ns:meta/">
    <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
       <rdf:Description xmlns:dc="http://purl.org/dc/elements/1.1/" 
rdf:about="">
          <dc:format>application/pdf</dc:format>
          <dc:language>x-unknown</dc:language>
          <dc:creator>
             <rdf:Seq>
                <rdf:li>CREATOR</rdf:li>
             </rdf:Seq>
          </dc:creator>
          <dc:date>
             <rdf:Seq>
                <rdf:li>1999-08-01T12:56:02+02:00</rdf:li>
                <rdf:li>2013-08-01T13:53:08+02:00</rdf:li>
             </rdf:Seq>
          </dc:date>
       </rdf:Description>
       <rdf:Description xmlns:pdfaid="http://www.aiim.org/pdfa/ns/id/" 
rdf:about="">
          <pdfaid:conformance>B</pdfaid:conformance>
          <pdfaid:part>1</pdfaid:part>
       </rdf:Description>
       <rdf:Description xmlns:pdf="http://ns.adobe.com/pdf/1.3/" 
rdf:about="">
          <pdf:PDFVersion>1.4</pdf:PDFVersion>
          <pdf:Producer>Apache FOP Version SVN tags/fop-1_1</pdf:Producer>
       </rdf:Description>
       <rdf:Description xmlns:xmp="http://ns.adobe.com/xap/1.0/" 
rdf:about="">
          <xmp:CreateDate>2013-08-01T13:53:08+02:00</xmp:CreateDate>
          <xmp:CreatorTool>My App</xmp:CreatorTool>
          <xmp:MetadataDate>2013-08-01T13:53:08+02:00</xmp:MetadataDate>
       </rdf:Description>
    </rdf:RDF>
</x:xmpmeta>
<?xpacket end="r"?>


Is anyone experiencing the same problem? Any tips how to fix this?

Thanks Björn

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Re: Problem with PDF/A and XMP-Metadata

Posted by stenersen <bj...@kessler-beratung.de>.
Sorry i accidently sent this mail twice :-(
Original Post is
http://apache-fop.1065347.n5.nabble.com/Problem-with-XMP-Metadata-and-PDF-A-Validation-td38973.html




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