Hello Tilman, Thank you so much for fixing this so quickly ! I tried it and it solves the problem for me.
I share your concern about case sensivity, but I think it's wise to be a little flexible where there can't be misinterpretation (and especially because it works great for me) Do you have any idea when the 3.0.9 will be officially released ? Best regards, Sylvère On 2026/09/07 11:07:30 Tilman Hausherr wrote: > Hello, > > I've fixed it in https://issues.apache.org/jira/browse/PDFBOX-6257 although > I'm not really happy with it (ChatGPT claims it is case sensitive but we all > know that ChatGPT is very persuasive even if it lies) but I looked at my > comments from last time, so I did it anyway. Please build from source and > test your file and tell us whether it worked. > > Tilman > > On 2026/09/07 10:26:42 Sylvere BABIN wrote: > > Hello, > > > > We use PDFBox to read the XMP metadata of PDF documents in the Factur-X > > standard, a Franco-German e-invoicing standard. > > It usually works very well, but we are experiencing an issue with some PDF > > files sent by one of our partners. > > > > In the XMP schema of these specific files, one of the property types > > doesn't respect the expected case : we got "closed choice of Text" instead > > of "closed Choice of Text". > > > > <rdf:li rdf:parseType="Resource"> > > <pdfaProperty:name>ConformanceLevel</pdfaProperty:name> > > <pdfaProperty:valueType>closed choice of > > Text</pdfaProperty:valueType> > > <pdfaProperty:category>external</pdfaProperty:category> > > <pdfaProperty:description>The XML invoice data profile in > > accordance with ZUGFeRD requirements > > (permitted values MINIMUM, BASIC WL, BASIC, EN 16931, > > EXTENDED)</pdfaProperty:description> > > </rdf:li> > > > > In the > > pdfAExtensionHelper.java<https://github.com/apache/pdfbox/blob/trunk/xmpbox/src/main/java/org/apache/xmpbox/xml/PdfaExtensionHelper.java>, > > the allowed values (CLOSED_CHOICE, CLOSED_CHOICE_U, OPEN_CHOICE and > > OPEN_CHOICE_U) are case-sensitive, even if there was a > > fix<https://issues.apache.org/jira/browse/PDFBOX-6131> (PDFBOX-6131) to > > allow the first letter to be upper or lowercase. > > > > So when we try to parse the XMP Metadata with xmpbox (3.0.7, but must be > > the same with the last version), we get this exception : > > Caused by: org.apache.xmpbox.xml.XmpParsingException: Unknown property > > value type : closed choice of Text > > at > > org.apache.xmpbox.xml.PdfaExtensionHelper.populatePDFAPropertyType(PdfaExtensionHelper.java:206) > > at > > org.apache.xmpbox.xml.PdfaExtensionHelper.populatePDFASchemaType(PdfaExtensionHelper.java:186) > > at > > org.apache.xmpbox.xml.PdfaExtensionHelper.populateSchemaMapping(PdfaExtensionHelper.java:140) > > at org.apache.xmpbox.xml.DomXmpParser.parse(DomXmpParser.java:230) > > at org.apache.xmpbox.xml.DomXmpParser.parse(DomXmpParser.java:126) > > > > I've searched in the XMP Specification, but there's nothing clear about if > > the syntax must strictly respects the specified case. > > The PDFLib validator accepts the file, and it was issued by a great > > national company (I admit it's not a strong argument). > > So I think that the full "closed choice" or "open choice" types should be > > parsed case-insensitively. > > > > Unfortunately, I can't share the test file because it contains sensitive > > informations, but if you really need one I can try to mock it up. > > > > > > > > Sylvère Babin > > Programmeur fondations > > Cegid XRP Ultimate > > > > +33 (0)4 71 64 60 26 > > > > > > [Facebook]<https://www.facebook.com/CegidGroup/> [Twitter] > > <https://twitter.com/cegid_ww> [LinkedIn] > > <https://fr.linkedin.com/company/cegid> > > cegid.com<https://www.cegid.com/> > > > > [Cegid]<http://www.cegid.com/> > > > > > > > > > > Cegid est susceptible d'effectuer un traitement sur vos données > > personnelles à des fins de gestion de notre relation commerciale. 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