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https://issues.apache.org/jira/browse/PDFBOX-5927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17907335#comment-17907335
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ASF subversion and git services commented on PDFBOX-5927:
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Commit 1922607 from Tilman Hausherr in branch 'pdfbox/branches/3.0'
[ https://svn.apache.org/r1922607 ]
PDFBOX-5927: prevent dictionary key from becoming an indirect object in an
object stream
> Saved file has "Invalid dictionary" when reloading
> --------------------------------------------------
>
> Key: PDFBOX-5927
> URL: https://issues.apache.org/jira/browse/PDFBOX-5927
> Project: PDFBox
> Issue Type: Bug
> Components: Writing
> Affects Versions: 3.0.3 PDFBox, 4.0.0
> Reporter: Tilman Hausherr
> Priority: Major
> Attachments: ObjStm.txt, SO79293670-saved.pdf, SO79293670.pdf,
> screenshot-1.png, screenshot-2.png, screenshot-3.png
>
>
> {code:java}
> try (PDDocument doc = Loader.loadPDF(new File("SO79293670.pdf")))
> {
> doc.save(new File("SO79293670-saved.pdf")); //,
> CompressParameters.NO_COMPRESSION);
> }
> try (PDDocument doc = Loader.loadPDF(new File("SO79293670-saved.pdf")))
> {
> PDAcroForm acroForm = doc.getDocumentCatalog().getAcroForm();
> PDCheckBox cb = (PDCheckBox) acroForm.getField("chkPrivacy1");
> System.out.println(cb.isChecked()); // should be true
> }
> {code}
> The output:
> {noformat}
> 19.12.2024 16:48:15 WARN pdfparser.BaseParser.parseCOSDictionary:308 -
> Invalid dictionary, found: '3' but expected: '/' at offset 12814
> 19.12.2024 16:48:15 WARN pdfparser.BaseParser.parseCOSDictionary:308 -
> Invalid dictionary, found: '3' but expected: '/' at offset 12851
> false
> {noformat}
> The offsets are in the object stream.
> When opening the modified file with Adobe Reader, I get
> !screenshot-1.png!
> And after clicking CTRL-RETURN I get
> !screenshot-2.png!
> The problem does not happen when saving with compression disabled.
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