Hi, not a direct answer to your question but could you try PDDocument.loadNonSeq instead?
BR Maruan Sahyoun > Am 13.03.2014 um 16:16 schrieb Alin Mazilu <impet...@gmail.com>: > > Hello guys, > > > Has anyone had any problem with this? Any idea why it happens? What would > be a good value for pushBackSize so this does not happen? Thanks! > > > Partial stack trace: > > > org.apache.pdfbox.exceptions.WrappedIOException: Could not push back 72940 > bytes in order to reparse stream. Try increasing push back buffer using > system property org.apache.pdfbox.baseParser.pushBackSize > > > > at > org.apache.pdfbox.pdfparser.BaseParser.parseCOSStream(BaseParser.java:546) > > > > at > org.apache.pdfbox.pdfparser.PDFParser.parseObject(PDFParser.java:566) > > > > at > org.apache.pdfbox.pdfparser.PDFParser.parse(PDFParser.java:187) > > > > at > org.apache.pdfbox.pdmodel.PDDocument.load(PDDocument.java:1071) > > > > at > org.apache.pdfbox.pdmodel.PDDocument.load(PDDocument.java:1038) > > > > at > org.apache.pdfbox.util.PDFMergerUtility.mergeDocuments(PDFMergerUtility.java:186)