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https://issues.apache.org/jira/browse/PDFBOX-4475?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tilman Hausherr updated PDFBOX-4475:
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Labels: merge (was: )
> PDFMergerUtility is very slow, almost in dead loop
> --------------------------------------------------
>
> Key: PDFBOX-4475
> URL: https://issues.apache.org/jira/browse/PDFBOX-4475
> Project: PDFBox
> Issue Type: Bug
> Components: Utilities
> Affects Versions: 2.0.13, 2.0.14
> Reporter: Derek Liu
> Priority: Major
> Labels: merge
> Attachments: TourInventory_TourInventory_report.pdf,
> image-2019-02-27-15-43-42-304.png, screenshot-1.png
>
>
> When use PDFMergerUtility to merge PDF file, it is very slow to merge the
> struct tree. It seems that it in a dead loop.
> !image-2019-02-27-15-43-42-304.png!
> Test code:
> {code}
> package com.test;
> import java.io.IOException;
> import org.apache.pdfbox.multipdf.PDFMergerUtility;
> public class TestMergeUtil {
> public static void main( String[] args ) throws IOException {
> PDFMergerUtility merger = new PDFMergerUtility();
> merger.addSource( "D:\\probe\\TourInventory_TourInventory_report.PDF" );
> merger.addSource( "D:\\probe\\TourInventory_TourInventory_report.PDF" );
> merger.setDestinationFileName(
> "D:\\probe\\TourInventory_TourInventory_report_merged.pdf" );
> merger.mergeDocuments();
> }
> }
> {code}
> But after I comment bellow code, it can merge fast, but the merged PDF file
> size is very large.
> !screenshot-1.png!
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