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via Coderanch by Hetal Shah, 1 year ago
java.util.zip.ZipException: unknown compression method	at java.util.zip.InflaterInputStream.read(Unknown Source)	at org.pdfbox.filter.FlateFilter.decode(FlateFilter.java:97)	at org.pdfbox.cos.COSStream.doDecode(COSStream.java:290)	at org.pdfbox.cos.COSStream.doDecode(COSStream.java:235)	at org.pdfbox.cos.COSStream.getUnfilteredStream(COSStream.java:170)	at org.pdfbox.pdfparser.PDFObjectStreamParser.(PDFObjectStreamParser.java:66)	at org.pdfbox.cos.COSDocument.dereferenceObjectStreams(COSDocument.java:450)	at org.pdfbox.pdmodel.PDDocument.openProtection(PDDocument.java:908)	at org.pdfbox.pdmodel.PDDocument.decrypt(PDDocument.java:489)	at org.pdfbox.util.PDFTextStripper.writeText(PDFTextStripper.java:204)	at org.dspace.app.mediafilter.PDFFilter.getDestinationStream(PDFFilter.java:139)