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https://issues.apache.org/jira/browse/PDFBOX-4968?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tilman Hausherr reopened PDFBOX-4968:
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> PDImageXObject and UnsupportedOperationException combined with JPEGFactory
> --------------------------------------------------------------------------
>
> Key: PDFBOX-4968
> URL: https://issues.apache.org/jira/browse/PDFBOX-4968
> Project: PDFBox
> Issue Type: Bug
> Components: PDModel, XmpBox
> Affects Versions: 2.0.0
> Environment: Windows 10 (64 Bit), Java 11.0.8, Netbeans 11.2
> Reporter: Robert Fink
> Priority: Major
> Labels: Java11, Java8
> Attachments: SampleApplication.java
>
>
> The goal is to add Metadata to an image within the PDF document.
> The PDImageXObject is created by the JPEGFactory class and the method
> createFromImage(pdDocument, bufferedImage).
> The PDImageXObject itself will be created but when trying to add metadata to
> it an error is thrown. Catching the UnsupportedOperationException would work.
> It doesn't work with Java 8 and Java 11 starting from PDFBox 2.0.0.
> {code:java}
> // Output
> Sep. 25, 2020 3:21:49 NACHM. sample.application.SampleApplication
> addMetadataToImage
> SCHWERWIEGEND: null
> java.lang.UnsupportedOperationException: DCTFilter encoding not implemented,
> use the JPEGFactory methods instead
> at org.apache.pdfbox.filter.DCTFilter.encode(DCTFilter.java:371)
> at org.apache.pdfbox.filter.Filter.encode(Filter.java:101)
> at org.apache.pdfbox.cos.COSOutputStream.close(COSOutputStream.java:93)
> at
> java.base/java.io.FilterOutputStream.close(FilterOutputStream.java:188)
> at org.apache.pdfbox.cos.COSStream$1.close(COSStream.java:236)
> at
> org.apache.pdfbox.pdmodel.common.PDMetadata.importXMPMetadata(PDMetadata.java:99)
> at
> sample.application.SampleApplication.addMetadataToImage(SampleApplication.java:63)
> at
> sample.application.SampleApplication.main(SampleApplication.java:55){code}
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