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https://issues.apache.org/jira/browse/PDFBOX-5978?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tilman Hausherr updated PDFBOX-5978:
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Component/s: Writing
(was: PDModel)
> Issue when saving pdf with NO_COMPRESSION
> -----------------------------------------
>
> Key: PDFBOX-5978
> URL: https://issues.apache.org/jira/browse/PDFBOX-5978
> Project: PDFBox
> Issue Type: Bug
> Components: Writing
> Affects Versions: 3.0.4 PDFBox
> Reporter: Yannick Hanus
> Priority: Minor
> Attachments: NO_COMPRESSION.65535f.png, PDFJS-17784.pdf,
> Test_NO_COMPRESSION.java, output.part.1.pdf
>
>
> Java version : 21
> Pdfbox version : 3.0.4
>
> When a pdf is saved with option CompressParameters.NO_COMPRESSION, useless
> lines like
> _nnnnnnnnnn_ 65535 f
> are added to xref section
> When splitting a pdf, this side effect seems cumulative when saving each part.
> Not really relevant when saving only one pdf but when splitting a pdf to 5000
> parts, it becomes huge.
> You can reproduce the issue with any pdf
> Current workaround to fix this issue : open and save the produced pdf(s) with
> itextpdf 5.5.13.4 remove the useless lines like _nnnnnnnnnn_ 65535 f :
>
> {code:java}
> try (InputStream is = new FileInputStream(tempFile)) {
> PdfReader pdfReader = new PdfReader(is);
> PdfStamper pdfStamper = new PdfStamper(pdfReader, new
> FileOutputStream(targetSplitFile));
> pdfStamper.close();
> pdfReader.close();
> } catch (Exception e) {
> throw new RuntimeException("Unable to save with itext " +
> targetSplitFile, e);
> }
> {code}
> You can use the attached class to reproduce de issue.
> Just pass the absolute path to a pdf as argument to the class
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