[PDFBOX-5900] ClassCastException in AnnotationValidator

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.32, 3.0.3 PDFBox
• Fix Version/s: 2.0.33, 3.0.4 PDFBox
• Component/s: Preflight
• Assignee: Tilman Hausherr
• Reporter: Fryderyk Tym
• Created: 13/Nov/24 13:25
• Updated: 13/Nov/24 15:03
• Resolved: 13/Nov/24 13:59

Description

Running 

 PreflightParser.validate(file).getErrorsList()

on attached file yields

Exception in thread "main" java.lang.ClassCastException: class org.apache.pdfbox.cos.COSDictionary cannot be cast to class org.apache.pdfbox.cos.COSStream (org.apache.pdfbox.cos.COSDictionary and org.apache.pdfbox.cos.COSStream are in unnamed module of loader 'app')
        at org.apache.pdfbox.preflight.annotation.AnnotationValidator.checkAP(AnnotationValidator.java:229)
        at org.apache.pdfbox.preflight.annotation.AnnotationValidator.validate(AnnotationValidator.java:322)
        at org.apache.pdfbox.preflight.annotation.WidgetAnnotationValidator.validate(WidgetAnnotationValidator.java:57)
        at org.apache.pdfbox.preflight.process.reflect.AnnotationValidationProcess.validate(AnnotationValidationProcess.java:59)
        at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:102)
        at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:60)
        at org.apache.pdfbox.preflight.process.AcroFormValidationProcess.validateField(AcroFormValidationProcess.java:165)
        at org.apache.pdfbox.preflight.process.AcroFormValidationProcess.exploreFields(AcroFormValidationProcess.java:106)
        at org.apache.pdfbox.preflight.process.AcroFormValidationProcess.validate(AcroFormValidationProcess.java:61)
        at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:102)
        at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:141)
        at org.apache.pdfbox.preflight.PreflightDocument.validate(PreflightDocument.java:139)
        at org.apache.pdfbox.preflight.parser.PreflightParser.validate(PreflightParser.java:865)
        at org.apache.pdfbox.preflight.Validator_A1b.runSimple(Validator_A1b.java:168)
        at org.apache.pdfbox.preflight.Validator_A1b.main(Validator_A1b.java:134)

Issue Links

• is broken by: PDFBOX-3408 Correct validation of Widget Annotations for PDF/A-1