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https://issues.apache.org/jira/browse/PDFBOX-4227?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16487633#comment-16487633
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Tilman Hausherr commented on PDFBOX-4227:
-----------------------------------------
Rendering works fine because the metadata isn't used.
What would you like us to do? The easiest would be to skip a bad XMP metadata,
but then it would be missing in the merged PDF. Another possibility would be to
create some code just for you, that would repair such files (if you can
identify them) prior to merging them.
> java.util.zip.DataFormatException: invalid distance too far back
> ----------------------------------------------------------------
>
> Key: PDFBOX-4227
> URL: https://issues.apache.org/jira/browse/PDFBOX-4227
> Project: PDFBox
> Issue Type: Bug
> Affects Versions: 2.0.9
> Reporter: Michael Miller
> Priority: Major
> Attachments: testCorrupt.pdf
>
>
> I get a zip exception with the attached PDF file, which renders successfully
> in a couple of PDF viewers I tried.
> ByteArrayInputStream pdfInputStream = new ByteArrayInputStream(pdfByteArray);
> PDFMergerUtility merger = new PDFMergerUtility();
> merger.addSource(pdfInputStream);
> ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
> merger.setDestinationStream(outputStream);
> merger.mergeDocuments(MemoryUsageSetting.setupMainMemoryOnly());
>
> PDF file attached.
> Stack Trace:
> java.io.IOException: java.util.zip.DataFormatException: invalid distance too
> far back
> at org.apache.pdfbox.filter.FlateFilter.decode(FlateFilter.java:83)
> at org.apache.pdfbox.filter.Filter.decode(Filter.java:87)
> at org.apache.pdfbox.cos.COSInputStream.create(COSInputStream.java:77)
> at org.apache.pdfbox.cos.COSStream.createInputStream(COSStream.java:175)
> at org.apache.pdfbox.cos.COSStream.createInputStream(COSStream.java:163)
> at
> org.apache.pdfbox.multipdf.PDFMergerUtility.appendDocument(PDFMergerUtility.java:516)
> at
> org.apache.pdfbox.multipdf.PDFMergerUtility.mergeDocuments(PDFMergerUtility.java:263)
> ...
> Caused by: java.util.zip.DataFormatException: invalid distance too far back
> at java.util.zip.Inflater.inflateBytes(Native Method)
> at java.util.zip.Inflater.inflate(Inflater.java:259)
> at java.util.zip.Inflater.inflate(Inflater.java:280)
> at org.apache.pdfbox.filter.FlateFilter.decompress(FlateFilter.java:108)
> at org.apache.pdfbox.filter.FlateFilter.decode(FlateFilter.java:74)
> ... 35 more
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