Oliver Schmidtmer created PDFBOX-5835:
-----------------------------------------
Summary: DomXmpParser - IllegalArgumentException: prefix cannot be
"null" when creating a QName
Key: PDFBOX-5835
URL: https://issues.apache.org/jira/browse/PDFBOX-5835
Project: PDFBox
Issue Type: Bug
Components: XmpBox
Affects Versions: 3.0.2 PDFBox
Reporter: Oliver Schmidtmer
I've got a PDF from, where parsing the metadata fails with an
IllegalArgumentException
{code:java}
java.lang.IllegalArgumentException: prefix cannot be "null" when creating a
QName
at java.xml/javax.xml.namespace.QName.<init>(QName.java:192)
at org.apache.xmpbox.xml.DomHelper.getQName(DomHelper.java:99)
at
org.apache.xmpbox.xml.DomXmpParser.parseChildrenAsProperties(DomXmpParser.java:306)
at
org.apache.xmpbox.xml.DomXmpParser.parseDescriptionRoot(DomXmpParser.java:250)
at org.apache.xmpbox.xml.DomXmpParser.parse(DomXmpParser.java:201)
at org.apache.xmpbox.xml.DomXmpParser.parse(DomXmpParser.java:112)
{code}
This can be reproduced with a simple test, using the extracted metadata:
{code:java}
@Test
void testDomXmpParser() throws XmpParsingException
{
// taken from file test-landscape2.pdf
String xmpmeta = "<?xml version=\"1.0\" encoding=\"UTF-8\"
standalone=\"no\"?>\n" +
"<?xpacket begin=\"\uFEFF\"
id=\"W5M0MpCehiHzreSzNTczkc9d\"?><x:xmpmeta xmlns:x=\"adobe:ns:meta/\"
x:xmptk=\"FIS/xee\">\n" +
" <rdf:RDF
xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\";>\n" +
" <rdf:Description
xmlns:pdfaid=\"http://www.aiim.org/pdfa/ns/id/\";>\n" +
" <pdfaid:part>3</pdfaid:part>\n" +
" <pdfaid:conformance>A</pdfaid:conformance>\n" +
" </rdf:Description>\n" +
" <rdf:Description
xmlns:pdfaExtension=\"http://www.aiim.org/pdfa/ns/extension/\";
xmlns:pdfaField=\"http://www.aiim.org/pdfa/ns/field#\";
xmlns:pdfaProperty=\"http://www.aiim.org/pdfa/ns/property#\";
xmlns:pdfaSchema=\"http://www.aiim.org/pdfa/ns/schema#\";
xmlns:pdfaType=\"http://www.aiim.org/pdfa/ns/type#\"; rdf:about=\"\"/>\n" +
" <rdf:Description>\n" +
" <schemas
xmlns=\"http://www.aiim.org/pdfa/ns/extension/\";>\n" +
" <rdf:Bag>\n" +
" <rdf:li rdf:parseType=\"Resource\">\n" +
" <schema
xmlns=\"http://www.aiim.org/pdfa/ns/schema#\";>ZUGFeRD PDFA Extension
Schema</schema>\n" +
" <namespaceURI
xmlns=\"http://www.aiim.org/pdfa/ns/schema#\";>urn:ferd:pdfa:CrossIndustryDocument:invoice:1p0#</namespaceURI>\n"
+
" <prefix
xmlns=\"http://www.aiim.org/pdfa/ns/schema#\";>zf</prefix>\n" +
" <property
xmlns=\"http://www.aiim.org/pdfa/ns/schema#\";>\n" +
" <rdf:Seq>\n" +
" <rdf:li rdf:parseType=\"Resource\">\n" +
" <name
xmlns=\"http://www.aiim.org/pdfa/ns/property#\";>DocumentFileName</name>\n" +
" <valueType
xmlns=\"http://www.aiim.org/pdfa/ns/property#\";>Text</valueType>\n" +
" <category
xmlns=\"http://www.aiim.org/pdfa/ns/property#\";>external</category>\n" +
" <description
xmlns=\"http://www.aiim.org/pdfa/ns/property#\";>name of the embedded XML
invoice file</description>\n" +
" </rdf:li>\n" +
" <rdf:li rdf:parseType=\"Resource\">\n" +
" <name
xmlns=\"http://www.aiim.org/pdfa/ns/property#\";>DocumentType</name>\n" +
" <valueType
xmlns=\"http://www.aiim.org/pdfa/ns/property#\";>Text</valueType>\n" +
" <category
xmlns=\"http://www.aiim.org/pdfa/ns/property#\";>external</category>\n" +
" <description
xmlns=\"http://www.aiim.org/pdfa/ns/property#\";>INVOICE</description>\n" +
" </rdf:li>\n" +
" <rdf:li rdf:parseType=\"Resource\">\n" +
" <name
xmlns=\"http://www.aiim.org/pdfa/ns/property#\";>Version</name>\n" +
" <valueType
xmlns=\"http://www.aiim.org/pdfa/ns/property#\";>Text</valueType>\n" +
" <category
xmlns=\"http://www.aiim.org/pdfa/ns/property#\";>external</category>\n" +
" <description
xmlns=\"http://www.aiim.org/pdfa/ns/property#\";>The actual version of the
ZUGFeRD data</description>\n" +
" </rdf:li>\n" +
" <rdf:li rdf:parseType=\"Resource\">\n" +
" <name
xmlns=\"http://www.aiim.org/pdfa/ns/property#\";>ConformanceLevel</name>\n" +
" <valueType
xmlns=\"http://www.aiim.org/pdfa/ns/property#\";>Text</valueType>\n" +
" <category
xmlns=\"http://www.aiim.org/pdfa/ns/property#\";>external</category>\n" +
" <description
xmlns=\"http://www.aiim.org/pdfa/ns/property#\";>The conformance level of the
ZUGFeRD data</description>\n" +
" </rdf:li>\n" +
" </rdf:Seq>\n" +
" </property>\n" +
" </rdf:li>\n" +
" </rdf:Bag>\n" +
" </schemas>\n" +
" </rdf:Description>\n" +
" <rdf:Description
xmlns:zf=\"urn:ferd:pdfa:CrossIndustryDocument:invoice:1p0#\" rdf:about=\"\"
zf:ConformanceLevel=\"EXTENDED\" zf:DocumentFileName=\"ZUGFeRD-invoice.xml\"
zf:DocumentType=\"INVOICE\" zf:Version=\"1.0\"/>\n" +
" </rdf:RDF>\n" +
"</x:xmpmeta><?xpacket end=\"w\"?>\n";
DomXmpParser xmpParser = new DomXmpParser();
xmpParser.setStrictParsing(false);
XMPMetadata xmp = xmpParser.parse(xmpmeta.getBytes());
}
{code}
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