[
https://issues.apache.org/jira/browse/PDFBOX-3010?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14948129#comment-14948129
]
Maruan Sahyoun commented on PDFBOX-3010:
----------------------------------------
The current code was done to support signing a PDF document which was a very
important addition to PDFBox. OTOH there are several issues with the current
code so I suggest to fix it as Rafael suggested and look at making it a more
general solution in a later (2.1.0 ?) release.
Some of the issues are:
- incremental save only works for signatures and doesn't respect certificates
such as Adobe Extended Usage Rights
- {{prepareNonVisualSignature}} clears the AcroForm DR
{{acroForm.setDefaultResources(null)}} which is not good if there are other
form fields
- visual/nonVisualSignature should move into the {{interactive.forms}} package
and be handled within the signature field
WDYT?
> SignatureOptions object must not be closed before calling saveIncremental in
> trunk's CreateVisibleSignature example
> -------------------------------------------------------------------------------------------------------------------
>
> Key: PDFBOX-3010
> URL: https://issues.apache.org/jira/browse/PDFBOX-3010
> Project: PDFBox
> Issue Type: Bug
> Components: Signing
> Affects Versions: 2.0.0
> Reporter: Tilman Hausherr
> Fix For: 2.0.0
>
>
> As reported by Rafael on the user mailing list:
> {code}
> Exception in thread "main" java.io.IOException: COSStream has been closed and
> cannot be read. Perhaps its enclosing PDDocument has been closed?
> at org.apache.pdfbox.cos.COSStream.checkClosed(COSStream.java:78)
> at
> org.apache.pdfbox.cos.COSStream.createRawInputStream(COSStream.java:126)
> at
> org.apache.pdfbox.pdfwriter.COSWriter.visitFromStream(COSWriter.java:1138)
> at org.apache.pdfbox.cos.COSStream.accept(COSStream.java:372)
> at org.apache.pdfbox.cos.COSObject.accept(COSObject.java:158)
> at
> org.apache.pdfbox.pdfwriter.COSWriter.doWriteObject(COSWriter.java:538)
> at org.apache.pdfbox.pdfwriter.COSWriter.doWriteBody(COSWriter.java:450)
> at
> org.apache.pdfbox.pdfwriter.COSWriter.visitFromDocument(COSWriter.java:1039)
> at org.apache.pdfbox.cos.COSDocument.accept(COSDocument.java:409)
> at org.apache.pdfbox.pdfwriter.COSWriter.write(COSWriter.java:1289)
> at
> org.apache.pdfbox.pdmodel.PDDocument.saveIncremental(PDDocument.java:1118)
> at
> org.apache.pdfbox.examples.signature.CreateVisibleSignature.signPDF(CreateVisibleSignature.java:169)
> at
> org.apache.pdfbox.examples.signature.CreateVisibleSignature.main(CreateVisibleSignature.java:261)
> {code}
> He got rid of the exception by moving options.close() after
> doc.saveIncremental(fos))
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
