Failure to parse XMPMetadata containing valid Dublin Core Schema element

Fri, 17 Mar 2023 08:03:40 -0700 

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style="font-size:12pt;color:#000000;font-family:Calibri,Helvetica,sans-serif;" 
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Emoji&quot;, NotoColorEmoji, &quot;Segoe UI Symbol&quot;, &quot;Android 
Emoji&quot;, EmojiSymbols;" dir="ltr"><p>Hi,<br></p><p>I am using XMPBox (and 
PdfBox) in version 2.0.24. I tried the version 2.0.27 as well. I am trying to 
parse XMPMetadata from a PDDocument using a DomXmpParser. I get an 
XmpParsingException for the 
element&nbsp;&lt;dc:language&gt;x-unknown&lt;/dc:language&gt;.&nbsp;<span>The 
metadata is shown below as is the exception. </span> The class representing the 
dc namespace DublinCoreSchema specifies that a Bag is expected instead of a 
text value. A Bag element is indeed correct, but according to the specification 
of Dublin Core, a text value is correct as well. Is it a bug or is there any 
way around it?<br></p><div><br></div><div>Metadata:<br></div>&lt;?xpacket 
begin="�" id="W5M0MpCehiHzreSzNTczkc9d"?&gt;<br>&nbsp; &lt;x:xmpmeta 
xmlns:x="adobe:ns:meta/"&gt;<br>&nbsp;&nbsp;&nbsp; &lt;rdf:RDF 
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 &lt;rdf:Description xmlns:dc="http://purl.org/dc/elements/1.1/"; 
rdf:about=""&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
&lt;dc:format&gt;application/pdf&lt;/dc:format&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 
&lt;dc:language&gt;x-unknown&lt;/dc:language&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 
&lt;dc:date&gt;2023-03-16T10:57:48+01:00&lt;/dc:date&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 &lt;/rdf:Description&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;rdf:Description 
xmlns:pdf="http://ns.adobe.com/pdf/1.3/"; 
rdf:about=""&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
&lt;pdf:Producer&gt;Apache FOP Version 
2.7&lt;/pdf:Producer&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
&lt;pdf:PDFVersion&gt;1.4&lt;/pdf:PDFVersion&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 &lt;/rdf:Description&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;rdf:Description 
xmlns:xmp="http://ns.adobe.com/xap/1.0/"; 
rdf:about=""&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
&lt;xmp:CreatorTool&gt;Apache FOP Version 
2.7&lt;/xmp:CreatorTool&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
&lt;xmp:MetadataDate&gt;2023-03-16T10:57:48+01:00&lt;/xmp:MetadataDate&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 
&lt;xmp:CreateDate&gt;2023-03-16T10:57:48+01:00&lt;/xmp:CreateDate&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 &lt;/rdf:Description&gt;<br>&nbsp;&nbsp;&nbsp; &lt;/rdf:RDF&gt;<br>&nbsp; 
&lt;/x:xmpmeta&gt;<br><p>&lt;?xpacket 
end="r"?&gt;</p><p><br></p><p>Exception:</p><p><span>org.apache.xmpbox.xml.XmpParsingException:
 Invalid array definition, expecting Bag and found 
com.sun.org.apache.xerces.internal.dom.DeferredTextImpl [prefix=dc; 
name=language]</span><br></p><p><br></p><p>Thank you in 
advance,</p><p>Dušan<br></p><br></div><p></p></div></body></html>

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