Alessandro Marini created PDFBOX-3978:
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Summary: IllegalStateException on saveIncrementalForExternalSigning
Key: PDFBOX-3978
URL: https://issues.apache.org/jira/browse/PDFBOX-3978
Project: PDFBox
Issue Type: Bug
Components: Signing
Affects Versions: 2.0.7
Reporter: Alessandro Marini
Attachments: Test_certified_invisible.pdf
When adding a signature to a PDF document which already contains an invisible
signature, the following exception is thrown:
{noformat}
java.lang.IllegalStateException: signature reserve byte range has been changed
after addSignature(), please set the byte range that existed after
addSignature()
{noformat}
Step to reproduce:
- Get a simple PDf document having an empty signature field and signed (using
Adobe) with an empty signature.
- Run the _org.apache.pdfbox.examples.signature.CreateVisibleSignature_ setting
_lateExternalSigning = true_
Full Stack trace:
{noformat}
java.lang.IllegalStateException: signature reserve byte range has been changed
after addSignature(), please set the byte range that existed after
addSignature()
at
org.apache.pdfbox.pdmodel.PDDocument.saveIncrementalForExternalSigning(PDDocument.java:1361)
at
org.apache.pdfbox.examples.signature.CreateVisibleSignature.signPDF(CreateVisibleSignature.java:270)
{noformat}
Use the attached PDF as reference to reproduce
Maybe related to: [#PDFBOX-3811]
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