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https://issues.apache.org/jira/browse/PDFBOX-2996?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lars Torunski updated PDFBOX-2996:
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Attachment: Lars-v0-PDFBOX-2996.patch
I did some tests based on my assumption that the not transitive
TextPositionComparator and the not stable quicksort algorithm causing some
problems.
I replaced the quicksort with a bubble sort algorithm. The tests with the files
failing_sort.pdf
PDFBOX-3110-poems-beads.pdf
are running well. But someone should double check this with the
Lars-v0-PDFBOX-2996.patch
005021-reduced.pdf leads to
ITH THE increasing complexity of optical modules,
W
> StackOverflow in Quicksort
> --------------------------
>
> Key: PDFBOX-2996
> URL: https://issues.apache.org/jira/browse/PDFBOX-2996
> Project: PDFBox
> Issue Type: Bug
> Components: Text extraction
> Affects Versions: 1.8.10, 2.0.0
> Environment: Java 7
> Reporter: Manuel Aristaran
> Attachments: 001991.pdf, Lars-v0-PDFBOX-2996.patch, QuickSort.java,
> artikel1_20_arab.pdf-sorted-diff.txt, artikel1_20_arab.pdf-sorted-iter.txt,
> artikel1_20_arab.pdf-sorted-rekur.txt, failing_sort.pdf, quicksort.patch
>
>
> Running PDFTextStripper through ExtractText triggers a StackOverflow
> exception in the QuickSort implementation for [this particular
> document|https://www.dropbox.com/s/6crie7y5gqadwa5/1.pdf?dl=0].
> To reproduce: {{java -jar pdfbox-app-1.8.11-SNAPSHOT.jar ExtractText -sort
> failing_sort.pdf}}
> (Related to PDFBOX-1512)
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