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https://issues.apache.org/jira/browse/PDFBOX-807?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13093671#comment-13093671
]
Andrea Vacondio commented on PDFBOX-807:
----------------------------------------
I attached an encrypted document with owner password "test". Using PDFBox 1.6.0
I created a simple test:
public void testDec() throws Exception {
String[] args = { "-password", "test",
"/tmp/enc_test_test_file.pdf",
"/tmp/out.pdf" };
Decrypt.main(args);
}
And I got the following stacktrace:
java.lang.NullPointerException
at
org.apache.pdfbox.pdmodel.encryption.StandardSecurityHandler.prepareDocumentForEncryption(StandardSecurityHandler.java:283)
at org.apache.pdfbox.pdfwriter.COSWriter.write(COSWriter.java:1306)
at org.apache.pdfbox.pdmodel.PDDocument.save(PDDocument.java:1121)
at org.apache.pdfbox.pdmodel.PDDocument.save(PDDocument.java:1102)
at org.apache.pdfbox.Decrypt.decrypt(Decrypt.java:153)
at org.apache.pdfbox.Decrypt.main(Decrypt.java:57)
........
> 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
> Assignee: Adam Nichols
> Priority: Blocker
> Attachments: enc_test_test_file.pdf
>
>
> 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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