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https://issues.apache.org/jira/browse/PDFBOX-2769?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tilman Hausherr updated PDFBOX-2769:
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Attachment: PDFBOX-2769.pdf
> NPE when saving encrypted file
> ------------------------------
>
> Key: PDFBOX-2769
> URL: https://issues.apache.org/jira/browse/PDFBOX-2769
> Project: PDFBox
> Issue Type: Bug
> Components: Writing
> Affects Versions: 2.0.0
> Reporter: Tilman Hausherr
> Fix For: 2.0.0
>
> Attachments: PDFBOX-2769.pdf
>
>
> Mailing list user gets this when loading and then saving an encrypted file
> (of which he didn't know it was encrypted):
> {code}
> java.lang.NullPointerException
> at
> org.apache.pdfbox.pdmodel.encryption.StandardSecurityHandler.computeRevisionNumber(StandardSecurityHandler.java:129)
> at
> org.apache.pdfbox.pdmodel.encryption.StandardSecurityHandler.prepareDocumentForEncryption(StandardSecurityHandler.java:332)
> at org.apache.pdfbox.pdfwriter.COSWriter.write(COSWriter.java:1254)
> at org.apache.pdfbox.pdfwriter.COSWriter.write(COSWriter.java:1215)
> at org.apache.pdfbox.pdmodel.PDDocument.save(PDDocument.java:958)
> at org.apache.pdfbox.pdmodel.PDDocument.save(PDDocument.java:930)
> {code}
> At the very least, we should bring an IllegalStateException with a useful
> message telling what to do.
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