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https://issues.apache.org/jira/browse/PDFBOX-3312?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tilman Hausherr resolved PDFBOX-3312.
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Resolution: Fixed
> NPE in saveIncremental() / fix javadoc
> --------------------------------------
>
> Key: PDFBOX-3312
> URL: https://issues.apache.org/jira/browse/PDFBOX-3312
> Project: PDFBox
> Issue Type: Bug
> Components: Signing
> Affects Versions: 2.0.0, 2.0.1, 2.1.0
> Reporter: Tilman Hausherr
> Assignee: Tilman Hausherr
> Fix For: 2.0.1, 2.1.0
>
>
> [~cbremaud] mentioned in PDFBOX-2716:
> {quote}
> You may want to change the javadoc because this is now possible to use
> saveIncremental() function on PDDocument loaded with InputStream.
> {quote}
> I checked this and yes, it works with a stream, because since the rewrite of
> the caching stuff, the stream contents are stored in a file or in memory when
> the PDF is loaded from a stream. The javadoc wasn't changed in rev 1688018.
> Then I tried this:
> {code}
> new PDDocument().saveIncremental(new FileOutputStream(new File("huhu.pdf")));
> {code}
> this results in an NPE. So I'm adding a check in saveIncremental(), similar
> to the check that was removed in 1688018, likely because nobody thought about
> the weird code above.
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