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Posted to dev@pdfbox.apache.org by "Tilman Hausherr (JIRA)" <ji...@apache.org> on 2019/01/03 17:03:00 UTC
[jira] [Closed] (PDFBOX-4202) PDDocument is closed before calling
close()
[ https://issues.apache.org/jira/browse/PDFBOX-4202?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tilman Hausherr closed PDFBOX-4202.
-----------------------------------
Resolution: Cannot Reproduce
> PDDocument is closed before calling close()
> -------------------------------------------
>
> Key: PDFBOX-4202
> URL: https://issues.apache.org/jira/browse/PDFBOX-4202
> Project: PDFBox
> Issue Type: Bug
> Components: PDModel
> Affects Versions: 2.0.9
> Environment: WIndow 10 x64
> Reporter: Chenyue Gao
> Priority: Critical
>
>
> The following code append PDDocument read from a file to the mainDocument which is passed as parameter. When I save the mainDocument, it throws the exception below.
> {code:java}
> public static void addPDPage(PDDocument mainDocument, File file, int pagenum) throws IOException {
> PDDocument pkDocument = PDDocument.load(file);
> PDPageTree pdpageTree = pkDocument.getPages();
> pdpageTree.forEach(page -> {
> mainDocument.addPage(page);
> });
> }
> {code}
> It seems that the pkDocument inside this function automatically closed itself due to Java garbage collection. As a result the mainDocument can't save the page associated with the pkDocument.
> A workaround could be to return pkDcoument to the caller and keep the reference at the same level of mainDocument until mainDocument saves
>
>
> [2018-04-16 11:11:58] COSStream has been closed and cannot be read. Perhaps its enclosing PDDocument has been closed?
> [2018-04-16 11:11:58] java.io.IOException: COSStream has been closed and cannot be read. Perhaps its enclosing PDDocument has been closed?
> at org.apache.pdfbox.cos.COSStream.checkClosed(COSStream.java:77)
> at org.apache.pdfbox.cos.COSStream.createRawInputStream(COSStream.java:125)
> at org.apache.pdfbox.pdfwriter.COSWriter.visitFromStream(COSWriter.java:1200)
> at org.apache.pdfbox.cos.COSStream.accept(COSStream.java:383)
> at org.apache.pdfbox.cos.COSObject.accept(COSObject.java:158)
> at org.apache.pdfbox.pdfwriter.COSWriter.doWriteObject(COSWriter.java:522)
> at org.apache.pdfbox.pdfwriter.COSWriter.doWriteObjects(COSWriter.java:460)
> at org.apache.pdfbox.pdfwriter.COSWriter.doWriteBody(COSWriter.java:444)
> at org.apache.pdfbox.pdfwriter.COSWriter.visitFromDocument(COSWriter.java:1096)
> at org.apache.pdfbox.cos.COSDocument.accept(COSDocument.java:419)
> at org.apache.pdfbox.pdfwriter.COSWriter.write(COSWriter.java:1367)
> at org.apache.pdfbox.pdfwriter.COSWriter.write(COSWriter.java:1254)
> at org.apache.pdfbox.pdmodel.PDDocument.save(PDDocument.java:1232)
> at org.apache.pdfbox.pdmodel.PDDocument.save(PDDocument.java:1204)
> at com.commands.PrintPackingSlipToPDFCommand.run(PrintPackingSlipToPDFCommand.java:116)
> at com.commands.AbstractCommand.execute(AbstractCommand.java:74)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method.invoke(Unknown Source)
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