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https://issues.apache.org/jira/browse/PDFBOX-2825?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14579679#comment-14579679
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Tilman Hausherr commented on PDFBOX-2825:
-----------------------------------------
What could be done is this:
1. PDStream needs a method to return an array based on 2.
2. COSStream needs a method to return an array (unfiltered data, i.e. decoded)
3. This would be done analog to COSStream.getUnfilteredStream(). In that
method, the length of the data is known. So a different method, e.g.
getUnfilteredArray(), could be created that directly writes into a byte array.
> Requested array size exceeds VM limit
> -------------------------------------
>
> Key: PDFBOX-2825
> URL: https://issues.apache.org/jira/browse/PDFBOX-2825
> Project: PDFBox
> Issue Type: Bug
> Components: Rendering
> Affects Versions: 2.0.0
> Reporter: Dmitry Andreev
> Labels: newbie
>
> Hi, I've got this OOM exception when trying to render big file.
> {code}
> Exception in thread "main" java.lang.OutOfMemoryError: Requested array size
> exceeds VM limit
> at java.util.Arrays.copyOf(Arrays.java:3230)
> at java.io.ByteArrayOutputStream.grow(ByteArrayOutputStream.java:113)
> at
> java.io.ByteArrayOutputStream.ensureCapacity(ByteArrayOutputStream.java:93)
> at java.io.ByteArrayOutputStream.write(ByteArrayOutputStream.java:140)
> at org.apache.pdfbox.io.IOUtils.copy(IOUtils.java:68)
> at org.apache.pdfbox.io.IOUtils.toByteArray(IOUtils.java:50)
> at
> org.apache.pdfbox.pdmodel.graphics.image.SampledImageReader.from8bit(SampledImageReader.java:244)
> at
> org.apache.pdfbox.pdmodel.graphics.image.SampledImageReader.getRGBImage(SampledImageReader.java:149)
> at
> org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject.getImage(PDImageXObject.java:246)
> at org.apache.pdfbox.rendering.PageDrawer.drawImage(PageDrawer.java:766)
> at
> org.apache.pdfbox.contentstream.operator.graphics.DrawObject.process(DrawObject.java:51)
> at
> org.apache.pdfbox.contentstream.PDFStreamEngine.processOperator(PDFStreamEngine.java:802)
> at
> org.apache.pdfbox.contentstream.PDFStreamEngine.processStreamOperators(PDFStreamEngine.java:464)
> at
> org.apache.pdfbox.contentstream.PDFStreamEngine.processStream(PDFStreamEngine.java:438)
> at
> org.apache.pdfbox.contentstream.PDFStreamEngine.processPage(PDFStreamEngine.java:149)
> 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
> org.apache.pdfbox.rendering.PDFRenderer.renderImage(PDFRenderer.java:56)
> {code}
> It's there something way to fix this?
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