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https://issues.apache.org/jira/browse/PDFBOX-807?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12905631#action_12905631
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Adam Nichols commented on PDFBOX-807:
-------------------------------------
If possible, you should use the latest code from SVN. I'm using the latest
code and I noticed the lines don't match up to your stacktrace. Also, if you
can provide an example file so we can duplicate the issue and debug, that might
help us get this resolved.
If your goal is to save an unencrypted PDF, you'll want to call
doc.setAllSecurityToBeRemoved(true); before saving.
If your goal is to save the PDF in its encrypted form, then I believe what you
have should work. You call decrypt(String) which calls openProtection() and
that should pull get the securityHandler. In fact, it must be getting a
securityHandler, as the following line would throw a NPE if it was null.
I think I'll need an example document to be able to sort this on out. As far
as I can tell, the only times the securityHandler can be modified is in
protect() and openProtection(). So I'm not sure what's going on here. I'm
sure a quick trip down debugger lane will shed some light on the problem though.
> NullPointerException in StandardSecurityHandler.java:261
> --------------------------------------------------------
>
> Key: PDFBOX-807
> URL: https://issues.apache.org/jira/browse/PDFBOX-807
> Project: PDFBox
> Issue Type: Bug
> Components: PDModel
> Affects Versions: 1.2.1
> Environment: JDK 1.6.0_21, Windows XP 32 Bit.
> Reporter: Martin Hilpert
> Priority: Blocker
>
> I like to add text to a PDF and used the example code
> AddMessageToEachPage.java to do this. I added decryption to support encrypted
> docs:
> doc = PDDocument.load(sourceFile);
> if (doc.isEncrypted()) {
> doc.decrypt(ownerPwd);
> }
> When my document is encrypted, the decryption succeeds without error message,
> but for such encrypted docs, when callinf doc.save(), a NullPointerException
> occurs:
> -----------------------------------------
> java.lang.NullPointerException
> at
> org.apache.pdfbox.pdmodel.encryption.StandardSecurityHandler.prepareDocumentForEncryption(StandardSecurityHandler.java:261)
> at org.apache.pdfbox.pdfwriter.COSWriter.write(COSWriter.java:1013)
> at org.apache.pdfbox.pdmodel.PDDocument.save(PDDocument.java:911)
> at org.apache.pdfbox.pdmodel.PDDocument.save(PDDocument.java:892)
> -----------------------------------------------------------------
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