[jira] [Closed] (PDFBOX-3328) "COSStream has been closed and cannot be read" despite using importPage

["Tilman Hausherr (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PDFBOX-3328?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tilman Hausherr closed PDFBOX-3328.
-----------------------------------
    Resolution: Duplicate

> "COSStream has been closed and cannot be read" despite using importPage
> -----------------------------------------------------------------------
>
>                 Key: PDFBOX-3328
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-3328
>             Project: PDFBox
>          Issue Type: Bug
>    Affects Versions: 2.0.0, 2.0.1, 2.1.0
>            Reporter: Tilman Hausherr
>
> By Simon G. on the user mailing list:
> {quote}
> I'm trying to copy a page from a PDF and adding it to a new (empty) document but I'm running into an issue when I close the source PDF file before I save the destination file.
> Here's a code snippet:
> {code}
>     // Load up some document from which to copy a page
>     PDDocument documentA = PDDocument.load(new File("a.pdf"));
>     // Create a new document and import the first page of the a document
>     PDDocument newDocument = new PDDocument();
>     newDocument.importPage(documentA.getPage(0));
>     // Close the A document as we don't need it any longer
>     documentA.close();
>     // Save the new document, this throws:
>     // COSStream has been closed and cannot be read. Perhaps its enclosing PDDocument has been closed?
>     // java.io.IOException: COSStream has been closed and cannot be read. Perhaps its enclosing PDDocument has been closed?
>     newDocument.save(new File("new.pdf"));
> {code}
> I get a similar exception when using the PDFMergerUtility class.
> I need to copy quite a few pages into a single output document and I'd like to avoid keeping all those source documents open both at the source and in the destination document.
> {quote}



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