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https://issues.apache.org/jira/browse/PDFBOX-3612?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15712560#comment-15712560
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André Heuner commented on PDFBOX-3612:
--------------------------------------

For the notes: yes I did.



> ScratchFileBuffer not closed message related to overlay.overlay(overlayGuide);
> ------------------------------------------------------------------------------
>
>                 Key: PDFBOX-3612
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-3612
>             Project: PDFBox
>          Issue Type: Bug
>    Affects Versions: 2.0.3, 2.1.0
>         Environment: Windows 7 Professional, Eclipse, JDK 1.8
>            Reporter: André Heuner
>            Priority: Minor
>
> I'd like to add a watermark to a PDF and have the following code:
> {code:java}
>       PDDocument pdfDocument = PDDocument.load(new 
>       PDDocument pdfCopy = Pdf.addWatermark(pdfDocument);
>                       
>       pdfDocument.close();
>       pdfCopy.close();
>       ....
>       public static PDDocument addWatermark(PDDocument document) {
>               try {
>               HashMap<Integer, String> overlayGuide = new HashMap<Integer, 
> String>();
>               
>               for(int no = 0; no < document.getNumberOfPages(); no++){
>                       overlayGuide.put(no +1, "C:\\Software\\watermark.pdf");
>               }
>           
>               Overlay overlay = new Overlay();
>               overlay.setInputPDF(document);
>               overlay.setOverlayPosition(Overlay.Position.FOREGROUND);
>               
>               PDDocument result = overlay.overlay(overlayGuide);
>               
>               document.close();
>               overlay.close();
>                               
>               return result;
>               
>               } catch (Exception e) {
>                       log.error("Error while adding watermark: " 
> +e.getMessage(), e);
>                       
>                       return document;
>               }
>       }
> {code}
> overlay.overlay(...) seems to cause lot's of warnings:
> {code}
> [2016-12-01-09:48:51] DEBUG [org.apache.pdfbox.io.ScratchFileBuffer] 
> ScratchFileBuffer not closed! 
> [2016-12-01-09:48:51] DEBUG [org.apache.pdfbox.io.ScratchFileBuffer] 
> ScratchFileBuffer not closed! 
> [2016-12-01-09:48:51] DEBUG [org.apache.pdfbox.io.ScratchFileBuffer] 
> ScratchFileBuffer not closed! 
> [2016-12-01-09:48:51] DEBUG [org.apache.pdfbox.io.ScratchFileBuffer] 
> ScratchFileBuffer not closed! 
> [2016-12-01-09:48:51] DEBUG [org.apache.pdfbox.io.ScratchFileBuffer] 
> ScratchFileBuffer not closed! 
> [2016-12-01-09:48:51] DEBUG [org.apache.pdfbox.io.ScratchFileBuffer] 
> ScratchFileBuffer not closed! 
> {code}
> Is there anything, that can be done to fix this issue? I tried to close 
> anything that is closable - but the issue remains. Or can it safely be 
> ignored?



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