[jira] [Created] (PDFBOX-4448) "Weasyprint" PDF's causing large memory spike

["Brett (JIRA)" <ji...@apache.org>]

Brett created PDFBOX-4448:
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             Summary: "Weasyprint" PDF's causing large memory spike
                 Key: PDFBOX-4448
                 URL: https://issues.apache.org/jira/browse/PDFBOX-4448
             Project: PDFBox
          Issue Type: Bug
          Components: Rendering
    Affects Versions: 2.0.13
         Environment: Windows 10 (x64)
            Reporter: Brett
         Attachments: test.pdf

PDF's created with "[weasyprint|https://weasyprint.org/samples/]" appear to cause a massive spike in memory usage when printing. This can be seen in their "invoice sample" provided on their page (causes a ~2.5gb average spike for a 47kb file) or the attached test pdf (causes a ~1.8gb average spike for a 6kb file).

Trying to source the cause in the java print libraries seems to indicate it's a problem with "nonsolid colors" being used in the drawing of the page (which we are passing off to a PDFPrintable). On my windows machine, normally a ({{sun}}) {{WPrinterJob}} gets created for printing, but for some reason these pdf's end up using a Paint flagged as incompatible which [fails the job creation|https://github.com/frohoff/jdk8u-dev-jdk/blob/master/src/windows/classes/sun/awt/windows/WPrinterJob.java#L793].

Trying to print with just pdfbox from the command line gives similar results in memory usage spiking to what we are seeing in our application: {{java -jar pdfbox-app-2.0.13.jar PrintPDF -printerName PDFCreator test.pdf}}



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