[jira] [Commented] (PDFBOX-2486) ClassCastException in AcroFormValidationProcess.exploreFields

["John Hewson (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PDFBOX-2486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14201196#comment-14201196 ] 

John Hewson commented on PDFBOX-2486:
-------------------------------------

This is ultimately a symptom of the field tree not being implemented correctly in PDFBox.

> ClassCastException in AcroFormValidationProcess.exploreFields
> -------------------------------------------------------------
>
>                 Key: PDFBOX-2486
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-2486
>             Project: PDFBox
>          Issue Type: Bug
>          Components: AcroForm, Preflight
>    Affects Versions: 2.0.0
>            Reporter: Tilman Hausherr
>         Attachments: 004324.pdf, 006654.pdf, 006982.pdf
>
>
> I get this with the attached files:
> {code}
> Exception in thread "main" java.lang.ClassCastException: org.apache.pdfbox.pdmodel.interactive.form.PDNonTerminalField cannot be cast to org.apache.pdfbox.pdmodel.interactive.form.PDField
> 	at org.apache.pdfbox.preflight.process.AcroFormValidationProcess.exploreFields(AcroFormValidationProcess.java:107)
> 	at org.apache.pdfbox.preflight.process.AcroFormValidationProcess.validate(AcroFormValidationProcess.java:60)
> 	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}



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