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https://issues.apache.org/jira/browse/PDFBOX-2477?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tilman Hausherr updated PDFBOX-2477:
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Attachment: gs-bugzilla692826.pdf
> NPE in DomXmpParser.createProperty
> ----------------------------------
>
> Key: PDFBOX-2477
> URL: https://issues.apache.org/jira/browse/PDFBOX-2477
> Project: PDFBox
> Issue Type: Bug
> Components: XmpBox
> Affects Versions: 1.8.7, 1.8.8, 2.0.0
> Reporter: Tilman Hausherr
> Assignee: Tilman Hausherr
> Fix For: 1.8.8, 2.0.0
>
> Attachments: gs-bugzilla692826.pdf
>
>
> I get this NPE with the attached file:
> {code}
> Exception in thread "main" java.lang.NullPointerException
> at
> org.apache.xmpbox.xml.DomXmpParser.createProperty(DomXmpParser.java:352)
> at
> org.apache.xmpbox.xml.DomXmpParser.parseDescriptionRoot(DomXmpParser.java:292)
> at org.apache.xmpbox.xml.DomXmpParser.parse(DomXmpParser.java:206)
> at org.apache.xmpbox.xml.DomXmpParser.parse(DomXmpParser.java:114)
> at
> org.apache.pdfbox.preflight.process.MetadataValidationProcess.validate(MetadataValidationProcess.java:67)
> at
> org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> at
> org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:88)
> at
> org.apache.pdfbox.preflight.PreflightDocument.validate(PreflightDocument.java:168)
> at
> org.apache.pdfbox.preflight.Validator_A1b.runSimple(Validator_A1b.java:161)
> at
> org.apache.pdfbox.preflight.Validator_A1b.main(Validator_A1b.java:126)
> {code}
> The cause is this:
> {code}
> <xapMM:DerivedFrom rdf:parseType="Resource"/>
> {code}
> According to the XMP spec, that part can have missing elements, i.e. it is
> not an error. So I'll just add a null check.
> There are more potiential NPE risks in that code, however I prefer to get
> examples.
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