Petras created PDFBOX-1642:
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Summary: NPE when parsing XMP schema definition with "closed
Choice" value type
Key: PDFBOX-1642
URL: https://issues.apache.org/jira/browse/PDFBOX-1642
Project: PDFBox
Issue Type: Bug
Components: Preflight, XmpBox
Affects Versions: 1.8.2
Reporter: Petras
If PDF/A file includes custom metadata and its extension schema description
containing the type "closed Choice of Text", PDF/A validation using Preflight
fails with NPE. The extract from stack trace:
java.lang.NullPointerException
at
org.apache.xmpbox.xml.PdfaExtensionHelper.populateSchemaMapping(PdfaExtensionHelper.java:214)
at org.apache.xmpbox.xml.DomXmpParser.parse(DomXmpParser.java:193)
at org.apache.xmpbox.xml.DomXmpParser.parse(DomXmpParser.java:106)
at
org.apache.pdfbox.preflight.process.MetadataValidationProcess.validate(MetadataValidationProcess.java:66)
at
org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:74)
at
org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:88)
at
org.apache.pdfbox.preflight.PreflightDocument.validate(PreflightDocument.java:168)
...
It appears, that org.apache.xmpbox.xml.PdfaExtensionHelper#transformValueType()
method does not consider "closed" or "open" directives for "Choice" value type
in property definition.
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