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https://issues.apache.org/jira/browse/PDFBOX-3253?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15171083#comment-15171083
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Andreas Lehmkühler commented on PDFBOX-3253:
--------------------------------------------
All COSStreams should be closed when closing the COSDocument. This is true if
an existing is loaded but doesn' work if a new pdf is created.
> CLose all COSStreams when creating a new pdf
> --------------------------------------------
>
> Key: PDFBOX-3253
> URL: https://issues.apache.org/jira/browse/PDFBOX-3253
> Project: PDFBox
> Issue Type: Bug
> Components: PDModel
> Affects Versions: 2.0.0
> Reporter: Andreas Lehmkühler
> Assignee: Andreas Lehmkühler
> Fix For: 2.0.0
>
>
> Peter Pusinowski posted on users@ that he got a lot of debug warnings about
> COSStreams which are not closed. He provided the following code to reproduce
> the effect:
> {code}
> public static void generate() throws IOException {
> PDDocument doc = new PDDocument();
> try {
> PDPage page = new PDPage();
> doc.addPage(page);
> PDPageContentStream content = new PDPageContentStream(doc, page);
> BufferedImage bi = ImageIO.read(new File("/tmp/test.png"));
> PDImageXObject img = LosslessFactory.createFromImage(doc, bi);
> content.drawImage(img, 0, 0);
> content.close();
> } finally {
> if (doc != null) {
> doc.save("/tmp/testPdf.pdf");
> doc.close();
> }
> }
> }
> public static void main(String[] args) throws IOException {
> generate();
> generate();
> generate();
> }
> {code}
> I've got the same warnings using that specific code.
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