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https://issues.apache.org/jira/browse/PDFBOX-807?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12929058#action_12929058
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Andrea Vacondio commented on PDFBOX-807:
----------------------------------------
This can actually be reproduced always using the boudled Decrypt utility (but
you have to fix PDFBOX-888 before being able to run it) and trying to decrypt
any encrypted document providing an owner password. Calling
doc.setAllSecurityToBeRemoved(true) before saving fixed the issue.
What happen I think is that MH tried to create a simple decrypt class following
the provided example (like me) with a NPE as result.
Here is a stack trace taken running a test with pdfbox 1.4.0-SNAPSHOT revision
1032087.
java.lang.NullPointerException
at
org.apache.pdfbox.pdmodel.encryption.StandardSecurityHandler.prepareDocumentForEncryption(StandardSecurityHandler.java:261)
at org.apache.pdfbox.pdfwriter.COSWriter.write(COSWriter.java:1018)
at org.apache.pdfbox.pdmodel.PDDocument.save(PDDocument.java:911)
at org.apache.pdfbox.pdmodel.PDDocument.save(PDDocument.java:892)
at org.apache.pdfbox.Decrypt.decrypt(Decrypt.java:153)
at org.apache.pdfbox.Decrypt.main(Decrypt.java:57)
at org.apache.pdfbox.DecryptTest.testMain(DecryptTest.java:11)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
> 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: MH
> 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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