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https://issues.apache.org/jira/browse/PDFBOX-5787?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17828623#comment-17828623
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Axel Howind commented on PDFBOX-5787:
-------------------------------------
OK, I now have tried with Oracle OpenJDK 22, Temurin 21, and all still
supported Zulu versions (8, 11, 17, 21), and none failed this test. Then I
installed OpenJDK 21 via homebrew and voilà, I can reproduce the error.
[~vanniktech] This clearly is not an OpenJDK error but caused by the Homebrew
guys compiling their own build. You should close the bug report against OpenJDK
and open an issue against the homebrew OpenJDK package instead.
> LCMS error 13: Mismatched alpha channels
> ----------------------------------------
>
> Key: PDFBOX-5787
> URL: https://issues.apache.org/jira/browse/PDFBOX-5787
> Project: PDFBox
> Issue Type: Bug
> Components: Rendering
> Affects Versions: 3.0.2 PDFBox
> Reporter: Niklas
> Priority: Major
> Attachments: CGATS001Compat-v2-micro.icc, Screenshot 2024-03-19 at
> 23.17.32.png
>
>
> Using Kotlin to load the first page and trying to render it as an
> `BufferedImage`:
> ```kotlin
> val pdf = Loader.loadPDF(file)
> val preview = PDFRenderer(pdf).renderImage(0, 1.0f)
> ```
> with a PDF, I'm running into:
> ```
> Exception in thread "main" java.awt.color.CMMException: LCMS error 13:
> Mismatched alpha channels
> at java.desktop/sun.java2d.cmm.lcms.LCMS.createNativeTransform(Native
> Method)
> at java.desktop/sun.java2d.cmm.lcms.LCMS.createTransform(LCMS.java:113)
> at
> java.desktop/sun.java2d.cmm.lcms.LCMSTransform.doTransform(LCMSTransform.java:114)
> at
> java.desktop/sun.java2d.cmm.lcms.LCMSTransform.colorConvert(LCMSTransform.java:149)
> at
> java.desktop/java.awt.image.ColorConvertOp.ICCBIFilter(ColorConvertOp.java:350)
> at
> java.desktop/java.awt.image.ColorConvertOp.filter(ColorConvertOp.java:277)
> at
> org.apache.pdfbox.pdmodel.graphics.color.PDColorSpace.toRGBImageAWT(PDColorSpace.java:375)
> at
> org.apache.pdfbox.pdmodel.graphics.color.PDDeviceCMYK.toRGBImageAWT(PDDeviceCMYK.java:212)
> at
> org.apache.pdfbox.pdmodel.graphics.color.PDDeviceCMYK.toRGBImage(PDDeviceCMYK.java:159)
> at
> org.apache.pdfbox.pdmodel.graphics.image.SampledImageReader.from8bit(SampledImageReader.java:506)
> at
> org.apache.pdfbox.pdmodel.graphics.image.SampledImageReader.getRGBImage(SampledImageReader.java:217)
> at
> org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject.getImage(PDImageXObject.java:477)
> at
> org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject.getImage(PDImageXObject.java:438)
> at org.apache.pdfbox.rendering.PageDrawer.drawImage(PageDrawer.java:1106)
> at
> org.apache.pdfbox.contentstream.operator.graphics.DrawObject.process(DrawObject.java:74)
> at
> org.apache.pdfbox.contentstream.PDFStreamEngine.processOperator(PDFStreamEngine.java:893)
> at
> org.apache.pdfbox.contentstream.PDFStreamEngine.processStreamOperators(PDFStreamEngine.java:531)
> at
> org.apache.pdfbox.contentstream.PDFStreamEngine.processStream(PDFStreamEngine.java:506)
> at
> org.apache.pdfbox.contentstream.PDFStreamEngine.processPage(PDFStreamEngine.java:153)
> at org.apache.pdfbox.rendering.PageDrawer.drawPage(PageDrawer.java:286)
> at
> org.apache.pdfbox.rendering.PDFRenderer.renderImage(PDFRenderer.java:330)
> at
> org.apache.pdfbox.rendering.PDFRenderer.renderImage(PDFRenderer.java:247)
> at
> org.apache.pdfbox.rendering.PDFRenderer.renderImage(PDFRenderer.java:207)
> ```
> Would it be possible to somehow privately share the PDF? It's slightly
> sensitive as it is from a customer of mine and I would not want to share it
> publicly.
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