[jira] [Commented] (PDFBOX-2910) OutOfMemoryError by Rendern a PDF to Image

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

    [ https://issues.apache.org/jira/browse/PDFBOX-2910?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14647368#comment-14647368 ] 

Timo Boehme commented on PDFBOX-2910:
-------------------------------------

OOM needs not to be a bug. It could simply be the case that the images are quite large and require a lot of main memory for rendering. Nevertheless could you please first try to use one of the new PDDocument.load methods taking a MemoryUsageSetting parameter, e.g. {code}PDDocument load(File file, MemoryUsageSetting memUsageSetting){code}, and setup memory usage to only use temporary file (no main-memory), e.g. by {code}MemoryUsageSetting.setupTempFileOnly(){code}. That way at least the parsing won't take the memory. The second action would be to increase the available Java heap space via -Xmx parameter (what's the current setting and what is the size of the PDF?). Does changing the scaling value makes a difference?

> OutOfMemoryError by Rendern a PDF to Image
> ------------------------------------------
>
>                 Key: PDFBOX-2910
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-2910
>             Project: PDFBox
>          Issue Type: Bug
>          Components: Rendering
>    Affects Versions: 2.0.0
>         Environment: Win 7, Java 1.8
>            Reporter: Thomas Meier
>
> PDF has Images in PCD Format, no Text.
> There are scanned blueprints into PDFs.
> Plans are sensitive data, therefore not allowed to publish it.
> Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
> 	at java.awt.image.DataBufferInt.<init>(DataBufferInt.java:75)
> 	at java.awt.image.Raster.createPackedRaster(Raster.java:467)
> 	at java.awt.image.DirectColorModel.createCompatibleWritableRaster(DirectColorModel.java:1032)
> 	at java.awt.image.BufferedImage.<init>(BufferedImage.java:331)
> 	at org.apache.pdfbox.pdmodel.graphics.color.PDDeviceGray.toRGBImage(PDDeviceGray.java:78)
> 	at org.apache.pdfbox.pdmodel.graphics.image.SampledImageReader.from1Bit(SampledImageReader.java:225)
> 	at org.apache.pdfbox.pdmodel.graphics.image.SampledImageReader.getRGBImage(SampledImageReader.java:151)
> 	at org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject.getImage(PDImageXObject.java:251)
> 	at org.apache.pdfbox.rendering.PageDrawer.drawImage(PageDrawer.java:774)
> 	at org.apache.pdfbox.contentstream.operator.graphics.DrawObject.process(DrawObject.java:51)
> 	at org.apache.pdfbox.contentstream.PDFStreamEngine.processOperator(PDFStreamEngine.java:794)
> 	at org.apache.pdfbox.contentstream.PDFStreamEngine.processStreamOperators(PDFStreamEngine.java:460)
> 	at org.apache.pdfbox.contentstream.PDFStreamEngine.processStream(PDFStreamEngine.java:437)
> 	at org.apache.pdfbox.contentstream.PDFStreamEngine.processPage(PDFStreamEngine.java:148)
> 	at org.apache.pdfbox.rendering.PageDrawer.drawPage(PageDrawer.java:180)
> 	at org.apache.pdfbox.rendering.PDFRenderer.renderPage(PDFRenderer.java:205)
> 	at org.apache.pdfbox.rendering.PDFRenderer.renderImage(PDFRenderer.java:136)
> 	at org.apache.pdfbox.rendering.PDFRenderer.renderImage(PDFRenderer.java:69)
> 	at pdf.pdfbox2.ScanPdfToImage.pdfToBufferedImage(ScanPdfToImage.java:75)
> 	at pdf.pdfbox2.ScanPdfToImage.processPdfPage(ScanPdfToImage.java:48)
> 	at pdf.pdfbox2.ScanPdfToImage.main(ScanPdfToImage.java:143)



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