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ERROR: Can't write signature, not enough space; adjust it with SignatureOptions.setPreferredSignatureSize #12

@mauzi

Description

@mauzi

Hi,
I have a big success signing PDF files with BASELINE_LTA profile, but some certificates with longer chains drop the error:

SEVERE Error occured
eu.europa.esig.dss.model.DSSException: Unable to save a document. Reason : Can't write signature, not enough space; adjust it with SignatureOptions.setPreferredSignatureSize
        at eu.europa.esig.dss.pdf.pdfbox.PdfBoxSignatureService.saveDocumentIncrementally(PdfBoxSignatureService.java:422)
        at eu.europa.esig.dss.pdf.pdfbox.PdfBoxSignatureService.checkEncryptedAndSaveIncrementally(PdfBoxSignatureService.java:406)
        at eu.europa.esig.dss.pdf.pdfbox.PdfBoxSignatureService.signDocumentAndReturnDigest(PdfBoxSignatureService.java:230)
        at eu.europa.esig.dss.pdf.pdfbox.PdfBoxSignatureService.signDocument(PdfBoxSignatureService.java:166)
        at eu.europa.esig.dss.pdf.AbstractPDFSignatureService.sign(AbstractPDFSignatureService.java:294)
        at eu.europa.esig.dss.pades.signature.PAdESService.signDocument(PAdESService.java:218)
        at com.github.intoolswetrust.jsignpdf.pades.Main.signFiles(Main.java:166)
        at com.github.intoolswetrust.jsignpdf.pades.Main.main(Main.java:80)
Caused by: java.io.IOException: Can't write signature, not enough space; adjust it with SignatureOptions.setPreferredSignatureSize
        at org.apache.pdfbox.pdfwriter.COSWriter.writeExternalSignature(COSWriter.java:845)
        at org.apache.pdfbox.pdfwriter.COSWriter.doWriteSignature(COSWriter.java:793)
        at org.apache.pdfbox.pdfwriter.COSWriter.visitFromDocument(COSWriter.java:1199)
        at org.apache.pdfbox.cos.COSDocument.accept(COSDocument.java:452)
        at org.apache.pdfbox.pdfwriter.COSWriter.write(COSWriter.java:1435)
        at org.apache.pdfbox.pdmodel.PDDocument.saveIncremental(PDDocument.java:1412)
        at eu.europa.esig.dss.pdf.pdfbox.PdfBoxSignatureService.saveDocumentIncrementally(PdfBoxSignatureService.java:420)

Could you please adjust the signature size in PdfBox, please?
Thanks!

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