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https://issues.apache.org/jira/browse/PDFBOX-6145?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tilman Hausherr updated PDFBOX-6145:
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Issue Type: Improvement (was: Bug)
> Extremely slow text extraction of single page of large PDF
> ----------------------------------------------------------
>
> Key: PDFBOX-6145
> URL: https://issues.apache.org/jira/browse/PDFBOX-6145
> Project: PDFBox
> Issue Type: Improvement
> Components: Text extraction
> Affects Versions: 2.0.35, 3.0.6 PDFBox
> Reporter: Tilman Hausherr
> Assignee: Tilman Hausherr
> Priority: Minor
> Labels: optimization
> Fix For: 2.0.36, 3.0.7 PDFBox, 4.0.0
>
> Attachments: screenshot-1.png
>
>
> happens with
> https://www.mouser.ca/catalog/catalogcad/646/dload/pdf/MOUSER.pdf
> discovered by showing the first page with PDFDebugger, rendering done in a
> few seconds, but display minutes later, this is because of the invisible text
> extraction that happens.
> The cause is that the stripper goes through all pages, checks whether there
> is content, and only then checks whether the page is to be extracted.
> !screenshot-1.png!
> Alternatively it can be reproduced with this code
> {code:java}
> PDFTextStripper s = new PDFTextStripper();
> s.setStartPage(1);
> s.setEndPage(1);
> String text = s.getText(doc);
> {code}
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