[ https://issues.apache.org/jira/browse/PDFBOX-1347?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chris Naude updated PDFBOX-1347: -------------------------------- Attachment: Image 1.png My guess is that's being caused by these nulls. > java.lang.ClassCastException: org.apache.pdfbox.cos.COSString cannot be cast > to org.apache.pdfbox.cos.COSDictionary > ------------------------------------------------------------------------------------------------------------------- > > Key: PDFBOX-1347 > URL: https://issues.apache.org/jira/browse/PDFBOX-1347 > Project: PDFBox > Issue Type: Bug > Affects Versions: 1.7.0, 1.8.0 > Environment: Windows 7 with Oracle JDK 1.6.0_33 > Reporter: Chris Naude > Attachments: Image 1.png > > > I'm attempting to merge two pdf's and I am getting this exception. This only > occurs for specific PDF files. I am able to merge other PDF's without any > issues. > java.lang.ClassCastException: org.apache.pdfbox.cos.COSString cannot be cast > to org.apache.pdfbox.cos.COSDictionary > at > org.apache.pdfbox.pdmodel.interactive.documentnavigation.outline.PDOutlineNode.getFirstChild(PDOutlineNode.java:161) > at > org.apache.pdfbox.util.PDFMergerUtility.appendDocument(PDFMergerUtility.java:339) > at > org.apache.pdfbox.util.PDFMergerUtility.mergeDocuments(PDFMergerUtility.java:188) > at me.cnaude.pdfboxgui.MainForm$MergeThread.run(MainForm.java:355) -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira