Thank you, I've opened https://issues.apache.org/jira/browse/PDFBOX-4162
I will check if I can share the PDF and attach it, if possible.
Tilman Hausherr schrieb am 20.03.2018 um 22:46:
Yes this is a bug. Yes please open a ticket and attach your PDF file.
No I don't have an idea how to bypass this.
Tilman
Am 20.03.2018 um 22:35 schrieb Andreas Hubold:
Hi,
I'm getting an OutOfMemoryError from PDFBox when parsing a certain
PDF using the Apache Tika App v 1.17 - which uses PDFBox 2.0.8
internally. This is reproducible even with 8GB heap.
The OutOfMemoryError happens in
org.apache.pdfbox.pdmodel.graphics.state.PDExtendedGraphicsState#getLineDashPattern,
which contains this piece of suspicious code:
COSArray dp = (COSArray) dict.getDictionaryObject( COSName.D );
if( dp != null )
{
COSArray array = new COSArray();
dp.addAll(dp);
The last line seems to wrong? It appends all elements from 'dp' to
'dp' again, effectively duplicating the elements in the list. Maybe
it should be 'array.addAll(dp)' or something like that?
Can you confirm this being a bug? Should I open a JIRA ticket for
this problem?
Do you know a workaround to avoid the crash, e.g. an option to skip
some parts of the file for text extraction?
Here's the stacktrace:
[Full GC (Allocation Failure) 4225609K->4224664K(5989888K),
32,9544686 secs]
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOf(Arrays.java:3210)
at java.util.Arrays.copyOf(Arrays.java:3181)
at java.util.ArrayList.grow(ArrayList.java:261)
at java.util.ArrayList.ensureExplicitCapacity(ArrayList.java:235)
at java.util.ArrayList.ensureCapacityInternal(ArrayList.java:227)
at java.util.ArrayList.addAll(ArrayList.java:579)
at org.apache.pdfbox.cos.COSArray.addAll(COSArray.java:124)
at
org.apache.pdfbox.pdmodel.graphics.state.PDExtendedGraphicsState.getLineDashPattern(PDExtendedGraphicsState.java:280)
at
org.apache.pdfbox.pdmodel.graphics.state.PDExtendedGraphicsState.copyIntoGraphicsState(PDExtendedGraphicsState.java:89)
at
org.apache.pdfbox.contentstream.operator.state.SetGraphicsStateParameters.process(SetGraphicsStateParameters.java:61)
at
org.apache.pdfbox.contentstream.PDFStreamEngine.processOperator(PDFStreamEngine.java:838)
at
org.apache.pdfbox.contentstream.PDFStreamEngine.processStreamOperators(PDFStreamEngine.java:495)
at
org.apache.pdfbox.contentstream.PDFStreamEngine.processStream(PDFStreamEngine.java:469)
at
org.apache.pdfbox.contentstream.PDFStreamEngine.processPage(PDFStreamEngine.java:150)
at
org.apache.pdfbox.text.LegacyPDFStreamEngine.processPage(LegacyPDFStreamEngine.java:139)
at
org.apache.pdfbox.text.PDFTextStripper.processPage(PDFTextStripper.java:391)
at
org.apache.tika.parser.pdf.PDF2XHTML.processPage(PDF2XHTML.java:147)
at
org.apache.pdfbox.text.PDFTextStripper.processPages(PDFTextStripper.java:319)
at
org.apache.pdfbox.text.PDFTextStripper.writeText(PDFTextStripper.java:266)
at org.apache.tika.parser.pdf.PDF2XHTML.process(PDF2XHTML.java:117)
at org.apache.tika.parser.pdf.PDFParser.parse(PDFParser.java:168)
at
org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:280)
at
org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:280)
at
org.apache.tika.parser.AutoDetectParser.parse(AutoDetectParser.java:143)
at org.apache.tika.cli.TikaCLI$OutputType.process(TikaCLI.java:205)
at org.apache.tika.cli.TikaCLI.process(TikaCLI.java:486)
at org.apache.tika.cli.TikaCLI.main(TikaCLI.java:145)
I'm not yet sure if I can share the PDF. If needed, I can check that.
Best regards,
Andreas
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