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https://issues.apache.org/jira/browse/PDFBOX-3811?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16027466#comment-16027466
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ASF subversion and git services commented on PDFBOX-3811:
---------------------------------------------------------

Commit 1796421 from [~tilman] in branch 'pdfbox/branches/2.0'
[ https://svn.apache.org/r1796421 ]

PDFBOX-3811: fix import

> Problem with calling "saveIncrementalForExternalSigning" more than once in 
> the same document
> --------------------------------------------------------------------------------------------
>
>                 Key: PDFBOX-3811
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-3811
>             Project: PDFBox
>          Issue Type: Bug
>          Components: Signing
>    Affects Versions: 2.0.6
>         Environment: Java 1.8
>            Reporter: Le Duc Duy
>            Priority: Trivial
>              Labels: easyfix, signature, signing
>         Attachments: PDFBoxTest.java, Screen Shot 2017-05-26 at 6.39.10 PM.png
>
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> I've included the test which will fail.
> After digging around a little, I found out that by calling 
> saveIncrementalForExternalSigning, it trimmed the reserved space in the 
> ByteRange (I've included the difference in the screen shot).
> I'm not sure if this is a bug for anyone but it's for my use case 
> (distributed digital signing). Changing the content at all is not permitted 
> at all. 
> If this is an intended feature, please dismiss this. I can workaround by 
> calling it more than once and it'll be stable although I'm not sure about 
> efficiency.



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