Hello, I am operating with Mustang and want to process Files.
I receive the error org.apache.xmpbox.xml.XmpParsingException: Schema is not set in this document : http://ns.adobe.com/xap/1.0/sType/ResourceEvent# at org.apache.xmpbox.xml.DomXmpParser.checkPropertyDefinition(DomXmpParser.java:920) at org.apache.xmpbox.xml.DomXmpParser.parseLiDescription(DomXmpParser.java:612) at org.apache.xmpbox.xml.DomXmpParser.parseLiElement(DomXmpParser.java:533) at org.apache.xmpbox.xml.DomXmpParser.manageArray(DomXmpParser.java:491) at org.apache.xmpbox.xml.DomXmpParser.createProperty(DomXmpParser.java:356) at org.apache.xmpbox.xml.DomXmpParser.parseChildrenAsProperties(DomXmpParser.java:322) at org.apache.xmpbox.xml.DomXmpParser.parseDescriptionRoot(DomXmpParser.java:250) at org.apache.xmpbox.xml.DomXmpParser.parse(DomXmpParser.java:201) at de.vkb.eos.EosZUGFeRD.Load.main(Load.java:29) Using PDF Debugger i find metadata <rdf:RDF xmlns:dc="http://purl.org/dc/elements/1.1/"; xmlns:iX="http://ns.adobe.com/iX/1.0/"; xmlns:pdf="http://ns.adobe.com/pdf/1.3/"; xmlns:pdfaid="http://www.aiim.org/pdfa/ns/id/"; xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"; xmlns:stEvt=" http://ns.adobe.com/xap/1.0/sType/ResourceEvent#"; xmlns:xmp="http://ns.adobe.com/xap/1.0/"; xmlns:xmpMM="http://ns.adobe.com/xap/1.0/mm/";> <xmpMM:History> <rdf:Seq> <rdf:li rdf:parseType="Resource"> <stEvt:action>created</stEvt:action> <stEvt:parameters>converted to PDF/A</stEvt:parameters> <stEvt:softwareAgent>Compart Docponent API</stEvt:softwareAgent> <stEvt:when>2025-11- 11T13:16:36+01:00</stEvt:when> </rdf:li> </rdf:Seq> </xmpMM:History> This means the namepace IS there. Prior to reading the element you parse the description if (DomHelper.isParseTypeResource(liElement)) { return parseLiDescription(xmp, descriptor, liElement); } // will find rdf:Description Element liChild = DomHelper.getUniqueElementChild(liElement); if (liChild != null) { nsFinder.push(liChild); return parseLiDescription(xmp, descriptor, liChild); } which pushes the element nsFinder.push(first); and read all Attributes NamedNodeMap nnm = description.getAttributes(); of <stEvt:action>created</stEvt:action> But stEvt itself has never been pushed. Code to reproduce package de.vkb.eos.EosZUGFeRD; import java.io.File; import java.io.IOException; import org.apache.pdfbox.Loader; import org.apache.pdfbox.pdmodel.PDDocument; import org.apache.pdfbox.pdmodel.PDDocumentCatalog; import org.apache.pdfbox.pdmodel.common.PDMetadata; import org.apache.xmpbox.XMPMetadata; import org.apache.xmpbox.schema.PDFAIdentificationSchema; import org.apache.xmpbox.xml.DomXmpParser; import org.apache.xmpbox.xml.XmpParsingException; public class Load { public static void main(String[] args) throws IOException { PDDocument document = Loader.loadPDF(new File("Empty.pdf" )); PDDocumentCatalog catalog = document.getDocumentCatalog(); PDMetadata metadata = catalog.getMetadata(); // the PDF version we could get through the document but we want the PDF-A version, // which is different (and can probably base on different PDF versions) if (metadata != null) { try { DomXmpParser xmpParser = new DomXmpParser(); xmpParser.setStrictParsing(false); XMPMetadata xmp = xmpParser.parse(metadata .createInputStream()); PDFAIdentificationSchema pdfaSchema = xmp .getPDFAIdentificationSchema(); if (pdfaSchema != null) { System.out.println(pdfaSchema .getPart()); } } catch (XmpParsingException e) { e.printStackTrace(); } finally { document.close(); } } } } Is there a mistake in my operating or in the parsing? thx Hans-Juergen
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