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https://issues.apache.org/jira/browse/PDFBOX-4690?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17365222#comment-17365222
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lanshiqin edited comment on PDFBOX-4690 at 6/18/21, 3:17 AM:
-------------------------------------------------------------
I found a way to prevent OOM, the maximum memory only needs 200MB，Please merge
my example request。
you can set jvm -Xmx200m
add to you code：
{code:java}
// 1. Load document with temp file only
PDDocument.load(in, MemoryUsageSetting.setupTempFileOnly())
// 2. Indicates that the renderer is allowed to sub sample the image before
drawing.
renderer.setSubsamplingAllowed(true);{code}
was (Author: lanshiqin):
I found a way to prevent OOM, the maximum memory only needs 200MB，please merge
my pull request
you can set jvm -Xmx200m
add to you code：
{code:java}
// 1. Load document with temp file only
PDDocument.load(in, MemoryUsageSetting.setupTempFileOnly())
// 2. Indicates that the renderer is allowed to sub sample the image before
drawing.
renderer.setSubsamplingAllowed(true);{code}
> PDFBOX running out of memory when rendering into image
> ------------------------------------------------------
>
> Key: PDFBOX-4690
> URL: https://issues.apache.org/jira/browse/PDFBOX-4690
> Project: PDFBox
> Issue Type: Bug
> Components: Rendering
> Affects Versions: 2.0.11, 2.0.16, 2.0.17
> Environment: Docker Container with linux
> I have allocated 10GB of RAM.
> jdk8
> Reporter: Himanshu Pandey
> Priority: Blocker
> Attachments: crash.pdf
>
>
> I am running into Out of memory when trying to render attached PDF at page
> number 4.
> {{ }}
> {{ java.lang.OutOfMemoryError: Java heap spacejava.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:333) at
> org.apache.pdfbox.rendering.PageDrawer.drawImage(PageDrawer.java:979) at
> org.apache.pdfbox.contentstream.operator.graphics.DrawObject.process(DrawObject.java:62)
> at
> org.apache.pdfbox.contentstream.PDFStreamEngine.processOperator(PDFStreamEngine.java:848)
> at
> org.apache.pdfbox.contentstream.PDFStreamEngine.processStreamOperators(PDFStreamEngine.java:503)
> at
> org.apache.pdfbox.contentstream.PDFStreamEngine.processStream(PDFStreamEngine.java:477)
> at
> org.apache.pdfbox.contentstream.PDFStreamEngine.processPage(PDFStreamEngine.java:150)
> at org.apache.pdfbox.rendering.PageDrawer.drawPage(PageDrawer.java:246) at
> org.apache.pdfbox.rendering.PDFRenderer.renderImage(PDFRenderer.java:225) at
> org.apache.pdfbox.rendering.PDFRenderer.renderImageWithDPI(PDFRenderer.java:164)}}
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