Wei Zhang created PDFBOX-3901:
---------------------------------
Summary: Merging PDF error: COSStream has been closed and cannot
be read. Perhaps its enclosing PDDocument has been closed
Key: PDFBOX-3901
URL: https://issues.apache.org/jira/browse/PDFBOX-3901
Project: PDFBox
Issue Type: Bug
Components: Utilities
Affects Versions: 2.0.4
Reporter: Wei Zhang
I am trying to merge around 2500 pdfs to one file. But I got the error below.
Caused by: 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)
~[pdfbox-2.0.4.jar:2.0.4]
at org.apache.pdfbox.cos.COSStream.createRawInputStream(COSStream.java:125)
~[pdfbox-2.0.4.jar:2.0.4]
at org.apache.pdfbox.pdfwriter.COSWriter.visitFromStream(COSWriter.java:1200)
~[pdfbox-2.0.4.jar:2.0.4]
at org.apache.pdfbox.cos.COSStream.accept(COSStream.java:383)
~[pdfbox-2.0.4.jar:2.0.4]
at org.apache.pdfbox.cos.COSObject.accept(COSObject.java:158)
~[pdfbox-2.0.4.jar:2.0.4]
at org.apache.pdfbox.pdfwriter.COSWriter.doWriteObject(COSWriter.java:522)
~[pdfbox-2.0.4.jar:2.0.4]
at org.apache.pdfbox.pdfwriter.COSWriter.doWriteObjects(COSWriter.java:460)
~[pdfbox-2.0.4.jar:2.0.4]
at org.apache.pdfbox.pdfwriter.COSWriter.doWriteBody(COSWriter.java:444)
~[pdfbox-2.0.4.jar:2.0.4]
at org.apache.pdfbox.pdfwriter.COSWriter.visitFromDocument(COSWriter.java:1096)
~[pdfbox-2.0.4.jar:2.0.4]
at org.apache.pdfbox.cos.COSDocument.accept(COSDocument.java:419)
~[pdfbox-2.0.4.jar:2.0.4]
at org.apache.pdfbox.pdfwriter.COSWriter.write(COSWriter.java:1367)
~[pdfbox-2.0.4.jar:2.0.4]
at org.apache.pdfbox.pdfwriter.COSWriter.write(COSWriter.java:1254)
~[pdfbox-2.0.4.jar:2.0.4]
at org.apache.pdfbox.pdmodel.PDDocument.save(PDDocument.java:1232)
~[pdfbox-2.0.4.jar:2.0.4]
at org.apache.pdfbox.pdmodel.PDDocument.save(PDDocument.java:1204)
~[pdfbox-2.0.4.jar:2.0.4]
at org.apache.pdfbox.pdmodel.PDDocument.save(PDDocument.java:1192)
~[pdfbox-2.0.4.jar:2.0.4]
at org.apache.pdfbox.pdmodel.PDDocument$save$0.call(Unknown Source) ~[?:?]
My code is :
{code:title=|borderStyle=solid}
public static void concatPdfs(List<String> sourceFiles, String dest) throws
IOException {
PDFMergerUtility ut = new PDFMergerUtility();
PDDocument pdfDest = new
PDDocument(MemoryUsageSetting.setupTempFileOnly());
for(String source : sourceFiles) {
PDDocument pdfSource = PDDocument.load(new FileInputStream(source),
MemoryUsageSetting.setupMainMemoryOnly());
ut.appendDocument(pdfDest, pdfSource);
pdfSource.close();
}
pdfDest.save(dest);
pdfDest.close();
}
{code}
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