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Subject: Re: High CPU load an memory usage, when converting PDF to Image
To: users@pdfbox.apache.org
References: <C8D4E821313D834E95E7D6A8FB4A94BE7EF48F@exchange.subrep.local>
 <55AF261A.3000504@t-online.de>
 <C8D4E821313D834E95E7D6A8FB4A94BE7EF491@exchange.subrep.local>
From: Tilman Hausherr <THausherr@t-online.de>
Message-ID: <55AF3FBB.5020505@t-online.de>
Date: Wed, 22 Jul 2015 09:01:15 +0200
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Thanks. According to virustotal.com, one (Dr.Web) of 51 programs claims 
that it is a virus (SCRIPT.Virus). I've send it to them for analysis. In 
the meantime, I'm also trying to display that file with 2.0 and nothing 
happens except my CPU heating the room. Either we have a new bug, or the 
file is really very complex.

Reminds me that I have the same problem with this file:
http://bugs.ghostscript.com/show_bug.cgi?id=692158

Tilman

Am 22.07.2015 um 08:11 schrieb von Daak, Frank:
> Hi,
>
> ah, ok.
>
> Please find the pdf file at the following location:
> http://82.165.25.239/buggypdf_nurgrafik.pdf
>
> Greetings,
> Frank
>
>
>
> Am 22.07.2015 um 07:11 schrieb Tilman Hausherr <THausherr@t-online.de>:
>
>> Hi,
>>
>> It is not possible to attach PDFs here, please upload it somewhere so that we can have a look.
>>
>> Tilman
>>
>> Am 22.07.2015 um 06:46 schrieb von Daak, Frank:
>>> Hello!
>>>
>>> We are running a business web application, that is using pdfbox to convert pdf-files to images, using PDPage.convertToImage().
>>> When we try to convert the attached pdf, the CPU load of tomcat is raising and it seems, that the process hangs. The tomcat process is no more responsive and after a long while, we get an memory overflow. Also the server load is very high meanwhile.
>>> We have seen this on pdfbox 1.8.8, 1.8.9 and 1.8.11-SNAPSHOT
>>>
>>> Do you have an idea, how to prevent this?
>>>
>>> Our code looks like this:
>>>
>>> private void convertPDF2JPG(File inFile, String outFile) throws Exception {
>>> PDDocument pdf = PDDocument.load(inFile);
>>> List<PDPage> allPages = (List<PDPage>)pdf.getDocumentCatalog().getAllPages();
>>>
>>> for(PDPage pdPage: allPages) {
>>> int resolution = 220;
>>> BufferedImage bufferedImage = pdPage.convertToImage(BufferedImage.TYPE_INT_RGB, resolution);
>>> Graphics2D bufImageGraphics = bufferedImage.createGraphics();
>>> bufImageGraphics.drawImage(bufferedImage, 0, 0, null);
>>> bufImageGraphics.dispose();
>>>
>>> convertAnyImage2JPG(bufferedImage, new File(outFile));
>>> }
>>>
>>> }
>>>
>>>
>>> Thank you very much and best regards,
>>> Frank
>>>
>>>
>>>
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