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https://issues.apache.org/jira/browse/PDFBOX-1586?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13646467#comment-13646467
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James Green commented on PDFBOX-1586:
-------------------------------------
RandomAccessBuffer.seek() is called on an instance after it's close() is
called. Now to understand why.
> IndexOutOfBoundsException when saving a document (at random)
> ------------------------------------------------------------
>
> Key: PDFBOX-1586
> URL: https://issues.apache.org/jira/browse/PDFBOX-1586
> Project: PDFBox
> Issue Type: Bug
> Affects Versions: 1.8.1
> Reporter: James Green
> Priority: Critical
>
> Getting the following stacktrace:
> org.apache.pdfbox.exceptions.COSVisitorException:
> java.lang.IndexOutOfBoundsException: Index: 28, Size: 0
> at
> org.apache.pdfbox.pdfwriter.COSWriter.visitFromStream(COSWriter.java:1245)
> at org.apache.pdfbox.cos.COSStream.accept(COSStream.java:201)
> at org.apache.pdfbox.cos.COSObject.accept(COSObject.java:206)
> at org.apache.pdfbox.pdfwriter.COSWriter.doWriteObject(COSWriter.java:524)
> at org.apache.pdfbox.pdfwriter.COSWriter.doWriteBody(COSWriter.java:434)
> at
> org.apache.pdfbox.pdfwriter.COSWriter.visitFromDocument(COSWriter.java:1056)
> at org.apache.pdfbox.cos.COSDocument.accept(COSDocument.java:496)
> at org.apache.pdfbox.pdfwriter.COSWriter.write(COSWriter.java:1392)
> at org.apache.pdfbox.pdmodel.PDDocument.save(PDDocument.java:1157)
> at org.apache.pdfbox.pdmodel.PDDocument.save(PDDocument.java:1138)
> ...
> Caused by: java.lang.IndexOutOfBoundsException: Index: 28, Size: 0
> at java.util.ArrayList.rangeCheck(ArrayList.java:604)
> at java.util.ArrayList.get(ArrayList.java:382)
> at
> org.apache.pdfbox.io.RandomAccessBuffer.seek(RandomAccessBuffer.java:84)
> at
> org.apache.pdfbox.io.RandomAccessFileInputStream.read(RandomAccessFileInputStream.java:96)
> at java.io.BufferedInputStream.fill(BufferedInputStream.java:235)
> at java.io.BufferedInputStream.read1(BufferedInputStream.java:275)
> at java.io.BufferedInputStream.read(BufferedInputStream.java:334)
> at
> org.apache.pdfbox.pdfwriter.COSWriter.visitFromStream(COSWriter.java:1232)
> I'll add some context. We have a "data pipeline" in which a Windows Print
> Monitor sends postscript into a servlet which then uses GhostScript 9.05 to
> convert in-memory to PDF. This PDF is then loaded into PDFBox using
> PDDocument.load().
> At this point we split the original PDF into multiple smaller ones each of
> which is saved to a ByteArrayOutputStream. At the point of save() we are
> having serious reliability issues.
> Taking an original PDF from Ghostscript we have saved this into a unit test
> to replicate the problem without success. If we attempt to re-execute the
> pipeline to take the original PDF and split it, we get apparently random
> percentages of saved documents.
> For instance, on a 990 page document (text, no images), to be split into 990
> 1-page documents using Tomcat 7 with -Xmx=512m:
> Pass 1: 50% were saved, 50% ended with stack traces
> Pass 2: 100% were saved
> Pass 3: 100% were saved
> The same test with -Xmx=128m ended several times with just 1 document saved,
> the rest were stack traces.
> We have also seen this randomly hit a sample document consisting of four
> pages to be split into two two-page documents so it does not appear to be
> memory related. We also added code to catch the IndexOutOfBoundsException and
> make up to ten attempts to repeat, but it seems the save() either works the
> first time or not at all.
> We're thinking there are environmental factors here but we're now focused on
> getting this nailed. Any advice or assistance will be welcomed.
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