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https://issues.apache.org/jira/browse/PDFBOX-5900?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17897947#comment-17897947
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Fryderyk Tym commented on PDFBOX-5900:
--------------------------------------
Thanks for the instant fix!
> ClassCastException in AnnotationValidator
> -----------------------------------------
>
> Key: PDFBOX-5900
> URL: https://issues.apache.org/jira/browse/PDFBOX-5900
> Project: PDFBox
> Issue Type: Bug
> Components: Preflight
> Affects Versions: 2.0.32, 3.0.3 PDFBox
> Reporter: Fryderyk Tym
> Assignee: Tilman Hausherr
> Priority: Major
> Fix For: 2.0.33, 3.0.4 PDFBox
>
> Attachments: crash.pdf
>
>
> Running
> {code:java}
> PreflightParser.validate(file).getErrorsList(){code}
> on attached file yields
> {code:java}
> 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){code}
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