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https://issues.apache.org/jira/browse/PDFBOX-5649?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17759367#comment-17759367
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Tilman Hausherr edited comment on PDFBOX-5649 at 8/27/23 3:06 PM:
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I've been playing with the Babin file for some time today, here some findings
about the code:
- The problem happens because {{PropertyType ctype =
checkPropertyDefinition(xmp, DomHelper.getQName(first))}} is null
- This is because in TypeMapping.java,
{{factory.getPropertyType(name.getLocalPart())}} returns null on "Schema"
- This is because in XMPSchemaFactory.java, the initialization is done with an
empty {{propDef}}
- This happens in DomXmpParser.java when {{tm.addNewNameSpace(namespace,
prefix)}} is called
- The Schema isn't an "unknown" schema, it exists in the class
PDFASchemaType.java and has {{PropertyType}} annotations, but the class isn't
extended from the XMPSchema class, it's an AbstractStructuredType, so that
schema can't be included in the initialization in {{TypeMapping.initialize()}}
- At the time {{addNewNameSpace}} is called, the software doesn't "know" about
the class, it has only two strings
That's all for today :-(
was (Author: tilman):
I've been playing with the Babin file for some time today, here some findings
about the code:
- The problem happens because {{PropertyType ctype =
checkPropertyDefinition(xmp, DomHelper.getQName(first))}} is null
- This is because in TypeMapping.java,
{{factory.getPropertyType(name.getLocalPart())}} returns null on "Schema"
- This is because in XMPSchemaFactory.java, the initialization is done with an
empty {{propDef}}
- This happens in DomXmpParser.java when {{tm.addNewNameSpace(namespace,
prefix)}} is called
- The Schema isn't an "unknown" schema, it exists in the class
PDFASchemaType.java and has {{PropertyType}} annotations, but the class isn't
extended from the XMPSchema class, it's an AbstractStructuredType.
- At the time {{addNewNameSpace}} is called, the software doesn't "know" about
the class, it has only two strings
That's all for today :-(
> NPE in DomXmpParser.parseLiDescription
> --------------------------------------
>
> Key: PDFBOX-5649
> URL: https://issues.apache.org/jira/browse/PDFBOX-5649
> Project: PDFBox
> Issue Type: Bug
> Components: XmpBox
> Affects Versions: 2.0.29, 3.0.0 PDFBox
> Reporter: Tilman Hausherr
> Assignee: Tilman Hausherr
> Priority: Minor
> Labels: regression
> Attachments: metadata.xml, pdfExemple.pdf
>
>
> org.apache.xmpbox.xml.XmpParsingException: ctype is null, first:
> [stEvt:action: null], DomHelper.getQName(first):
> {http://ns.adobe.com/xap/1.0/sType/ResourceEvent#}action
> at
> org.apache.xmpbox.xml.DomXmpParser.parseLiDescription(DomXmpParser.java:611)
> at
> org.apache.xmpbox.xml.DomXmpParser.parseLiElement(DomXmpParser.java:529)
> at org.apache.xmpbox.xml.DomXmpParser.manageArray(DomXmpParser.java:487)
> at
> org.apache.xmpbox.xml.DomXmpParser.createProperty(DomXmpParser.java:352)
> at
> org.apache.xmpbox.xml.DomXmpParser.parseChildrenAsProperties(DomXmpParser.java:319)
> at
> org.apache.xmpbox.xml.DomXmpParser.parseDescriptionRoot(DomXmpParser.java:248)
> at org.apache.xmpbox.xml.DomXmpParser.parse(DomXmpParser.java:201)
> at
> org.apache.tika.parser.xmp.XMPMetadataExtractor.parse(XMPMetadataExtractor.java:57)
> I'll throw a parsing exception for now. It happens with the file
> testIndesign.idml of the Tika project.
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