PDFBOX 2.0.0 RC 2 Dear Pdfbox users! Can someone tip me, how can I sign pdf, that is already signed without damaging previous signature? Currently I've tried to do it with example code from trunk, but it just invalidates previous signature. I've tried to get PDAcroForm and List <PDSignatureField> from signed document and then add a new signature field to it with new signature and then add new signaturefield list to document, but it gives me io.Exception when I run saveIncremental() "COSStream has been closed and cannot be read. Perhaps its enclosing PDDocument has been closed?" but I haven't closed anything yet.
If this issue was solved, pleas point me to the solution.
