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From: Gilad Denneboom <gilad.denneboom@gmail.com>
Date: Wed, 3 Sep 2014 17:40:39 +0200
Message-ID: 
 <CAKLHnLz2-DQp7+c_S1m-SDMjoqN2zG084CugHgHZZwVUhK7JBQ@mail.gmail.com>
Subject: Re: Sometimes I get a NullPointerException while saving the output
To: "users@pdfbox.apache.org" <users@pdfbox.apache.org>
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I don't follow. You reference a variable called outputFile. From where does
this variable come from?
Does your class extend Overlay?


On Wed, Sep 3, 2014 at 5:08 PM, <markus.sticker.epos@zf.com> wrote:

> It is done by the constructor of OverlayPDF.
>         As field..:
>
>         private PDDocument sourcePDFDocument =3D null;
>
>         public PDDocument getSourcePDFDocument() {
>                 return sourcePDFDocument;
>         }
>
> -----Urspr=C3=BCngliche Nachricht-----
> Von: Gilad Denneboom [mailto:gilad.denneboom@gmail.com]
> Gesendet: Mittwoch, 3. September 2014 16:53
> An: users@pdfbox.apache.org
> Betreff: Re: Sometimes I get a NullPointerException while saving the outp=
ut
>
> Where's the declaration for outputFile?
>
>
> On Wed, Sep 3, 2014 at 2:38 PM, <markus.sticker.epos@zf.com> wrote:
>
> > Hello,
> >
> > I've got an exception while trying to save a file.
> > Exception in thread "main" java.lang.NullPointerException
> >        at
> >
> org.apache.pdfbox.io.RandomAccessFileInputStream.read(RandomAccessFileInp=
utStream.java:94)
> >        at java.io.BufferedInputStream.fill(BufferedInputStream.java:235=
)
> >        at java.io.BufferedInputStream.read1(BufferedInputStream.java:27=
5)
> >        at java.io.BufferedInputStream.read(BufferedInputStream.java:334=
)
> >        at
> >
> org.apache.pdfbox.pdfwriter.COSWriter.visitFromStream(COSWriter.java:1232=
)
> >        at org.apache.pdfbox.cos.COSStream.accept(COSStream.java:257)
> >        at org.apache.pdfbox.cos.COSObject.accept(COSObject.java:204)
> >        at
> > org.apache.pdfbox.pdfwriter.COSWriter.doWriteObject(COSWriter.java:541)
> >        at
> > org.apache.pdfbox.pdfwriter.COSWriter.doWriteBody(COSWriter.java:449)
> >        at
> >
> org.apache.pdfbox.pdfwriter.COSWriter.visitFromDocument(COSWriter.java:11=
02)
> >        at org.apache.pdfbox.cos.COSDocument.accept(COSDocument.java:568=
)
> >        at
> org.apache.pdfbox.pdfwriter.COSWriter.write(COSWriter.java:1367)
> >        at org.apache.pdfbox.pdmodel.PDDocument.save(PDDocument.java:123=
6)
> >        at org.apache.pdfbox.pdmodel.PDDocument.save(PDDocument.java:121=
4)
> >        at org.apache.pdfbox.pdmodel.PDDocument.save(PDDocument.java:120=
2)
> >        at
> com.zf.swdoku.pdfmerger.Processing.combinePdf(Processing.java:61)
> >        at com.zf.swdoku.pdfmerger.Processing.run(Processing.java:43)
> >        at com.zf.swdoku.pdfmerger.Processing.<init>(Processing.java:36)
> >        at com.zf.swdoku.pdfpostprocess.Run.main(Run.java:81)
> >
> > this is a part of my implemention:
> >
> >        private void combinePdf() throws IOException {
> >              PDDocument sourcePDFDocument =3D brandedPdf;
> >              OverlayPDF overlay =3D new OverlayPDF();
> >              overlay.setSourcePDFDocument(sourcePDFDocument);
> >              overlay.setFirstPageOverlay(substitutedTextPdfTitle);
> >              overlay.setFollowerPageOverlay(substitutedTextPdfFollow);
> >              overlay.setStartPage(config.getStartPageFollower());
> >              overlay.setOverlayPosition("foreground");
> >              overlay.processPages();
> >              if (overlay.getSourcePDFDocument().getDocument() =3D=3D nu=
ll)
> >                     System.out.println("Nix wars");
> >
> >              // overlay.getSourcePDFDocument().save(outputFile);
> >
> >              overlay.getSourcePDFDocument().save(outputFile);
> >              overlay.getSourcePDFDocument().getDocument().close();
> >              overlay.getSourcePDFDocument().close();
> >
> >        }
> >
> >
> > Please give me an idea why this happens sometimes.
> > Thanks.
> > Mit freundlichen Gr=C3=BC=C3=9Fen/Kind regards
> > Markus Sticker
> > Forschung und Entwicklung ZF Konzern/Research and Development ZF Group
> > Infrastruktur/Infrastructure (DTEP4) ZF Friedrichshafen AG
> > 88038 Friedrichshafen, Deutschland/Germany Telefon/Phone  +49 7541
> > 77-7644, Telefax/Fax  +49 7541 77-907644
> > Markus.Sticker.Epos@zf.com<mailto:Markus.Sticker.Epos@zf.com>
> >
> > Vorsitzender des Aufsichtsrats/Chairman of the Supervisory Board: Prof.
> > Dr. Giorgio Behr
> > Vorstand/Board of Management: Dr. Stefan Sommer (Vorsitzender/CEO), Dr.
> > Konstantin Sauer, J=C3=BCrgen Holeksa, Michael Hankel, Wilhelm Rehm, Ro=
lf
> > Lutz
> > Sitz/Headquarters: Friedrichshafen
> > Handelsregistereintrag Amtsgericht Ulm HRB 630206/Trade register of
> > the municipal court of Ulm HRB 630206
> >
> >
>

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