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Posted to dev@pdfbox.apache.org by "Tilman Hausherr (JIRA)" <ji...@apache.org> on 2018/03/11 11:12:00 UTC
[jira] [Commented] (PDFBOX-4149) PDF consisting on one page with 5
MB renders until the end of time using renderImageWithDPI
[ https://issues.apache.org/jira/browse/PDFBOX-4149?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16394478#comment-16394478 ]
Tilman Hausherr commented on PDFBOX-4149:
-----------------------------------------
165 seconds with the KCMS option on [https://pdfbox.apache.org/2.0/getting-started.html] . 136 seconds when using the CMYK option. The file has 5223 images.
> PDF consisting on one page with 5 MB renders until the end of time using renderImageWithDPI
> -------------------------------------------------------------------------------------------
>
> Key: PDFBOX-4149
> URL: https://issues.apache.org/jira/browse/PDFBOX-4149
> Project: PDFBox
> Issue Type: Bug
> Components: Rendering
> Affects Versions: 2.0.8
> Reporter: Christian
> Priority: Major
> Attachments: SB_Flyer_SpargelPromo_03-062018.pdf
>
>
> I am using PDFBOX 2.0.8 on a Java VM 1.8.0_151
> The attached and valid pdf should be rendered by calling
> BufferedImage bim = pdfRenderer.renderImageWithDPI(i, 50);
> But the rendering never ends - the only thing I see is this line repeating very often in the console:
> [Finalizer] DEBUG org.apache.pdfbox.io.ScratchFileBuffer - ScratchFileBuffer not closed!
> Here is the code that is used to open the document and then start the rendering:
> {code:java}
> PDDocument document = PDDocument.load(file, MemoryUsageSetting.setupTempFileOnly());
> try {
> PDFRenderer pdfRenderer = new PDFRenderer(document);
> int numberOfPages = document.getPages().getCount();
> for (int i = 0; i < numberOfPages; i++) {
> BufferedImage bim = pdfRenderer.renderImageWithDPI(i, 50);
> [...]
> {code}
> The line
> BufferedImage bim = pdfRenderer.renderImageWithDPI(i, 50);
> is never passed. I ran a test and have wait for 30 minutes to let it pass, but nothing happens.
> Please advise what to do and how to solve the issue.
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