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From: Kevin Ternes <KTernes@thegeneral.com>
To: "users@pdfbox.apache.org" <users@pdfbox.apache.org>
Date: Tue, 11 Aug 2015 12:55:08 -0500
Subject: RE: NullPointerException from PDDocument
Thread-Topic: NullPointerException from PDDocument
Thread-Index: AdDUXh/AIv/gyfQASHy254NnGFajbgAADCDQ
Message-ID: <D6B612B2A2D0D2448B3E3F4EC5D3AFA91505AAC189@EX07MAIL3.pgac.com>
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That's why I always travel to Europe when I go on vacation.

-----Original Message-----
From: Tilman Hausherr [mailto:THausherr@t-online.de]=20
Sent: Tuesday, August 11, 2015 12:44 PM
To: users@pdfbox.apache.org
Subject: Re: NullPointerException from PDDocument

We'd probably put some messages everywhere.... please accept that if you do=
 illegal things, mayhem will follow :-)

Tilman


>
> -----Original Message-----
> From: Tilman Hausherr [mailto:THausherr@t-online.de]
> Sent: Friday, August 07, 2015 5:02 PM
> To: users@pdfbox.apache.org
> Subject: Re: NullPointerException from PDDocument
>
> Can you upload the document somewhere?
>
> Tilman
>
> Am 07.08.2015 um 23:56 schrieb Kevin Ternes:
>> I have a particular PDF that I have loaded that throws a NullPointerExce=
ption from PDDocument.getDocumentCatalog().
>>   From PDDocument:
>>
>> public PDDocumentCatalog getDocumentCatalog() {
>>         If (documentCatalog =3D=3D null)
>>         {
>>               COSDictionary trailer =3D document.getTrailer();
>>               COSBase dictionary =3D trailer.getDictionaryObject( COSNam=
e.ROOT );
>>               if (dictionary instanceof COSDictionary)
>>               {
>>                   documentCatalog =3D new PDDocumentCatalog(this, (COSDi=
ctionary) dictionary);
>>               }
>>               else
>>               {
>>                   documentCatalog =3D new PDDocumentCatalog(this);
>>               }
>>         }
>>         return documentCatalog;
>> }
>>
>> The document.getTrailer() returns NULL for this PDF and thus the NullPoi=
nterException from the next line.
>>
>> Is it possible that the PDF is malformed?
>> I do not see where I might have cleared the document.trailer field.
>>
>> If any PDFBox developers are listening, would it be reasonable to put a =
check into the above code to deal with the NULL document.trailer?
>>


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