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https://issues.apache.org/jira/browse/PDFBOX-3272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15193113#comment-15193113
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Andreas Lehmkühler commented on PDFBOX-3272:
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Do you close the created pdf after saving it?
> Loaded fonts file descriptors open after closing document
> ---------------------------------------------------------
>
> Key: PDFBOX-3272
> URL: https://issues.apache.org/jira/browse/PDFBOX-3272
> Project: PDFBox
> Issue Type: Bug
> Components: FontBox
> Affects Versions: 2.0.0
> Environment: Apache Tomcat, Linux
> Reporter: Gregor Ambrozic
>
> I am experiencing problems with TTF fonts loaded for generating PDFs which
> eventually result in too many open files on Linux. The PDFBox version I
> tested last was 2.0.0-RC3.
> Basically for each PDF I create a document and load two fonts which I want to
> use. After the document is generated I close all the resources, but the file
> descriptors for both fonts remain open.
> The file descriptors should be automatically closed or an API should exist to
> close font resources.
> My basic code:
> doc = new PDDocument();
> page = new PDPage(PDRectangle.A4);
> doc.addPage(page);
> PDFont font = PDType0Font.load(doc, new
> File(settings.getProperty("font.location")));
> PDFont boldFont = PDType0Font.load(doc, new
> File(settings.getProperty("bold.font.location")));
> PDPageContentStream content = new PDPageContentStream(doc, page);
> // add content stuff
> content.close();
> bos = new ByteArrayOutputStream();
> doc.save(bos);
> bos.flush();
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