Valentin,
Valentin Ivanov wrote > java.lang.AbstractMethodError: > javax.xml.parsers.DocumentBuilderFactory.setFeature(Ljava/lang/String;Z)V > > at > com.itextpdf.xmp.impl.XMPMetaParser.createDocumentBuilderFactory(XMPMetaParser.java:423) That actually looks like non-matching XML library APIs and implementations on your classpath: You have a DocumentBuilderFactory instance without an implementation of the method setFeature. This document builder setFeature method is called when an existing XMP metadata stream is parsed. Probably the PDFs which you can sign don't have such a stream. > I have attached ok.pdf (I sign it successfully) and nok.pdf with the > exception on signing Actually you attached two nok.pdf files. Regards, Michael -- View this message in context: http://itext-general.2136553.n4.nabble.com/Signing-PDF-tp4660204p4660206.html Sent from the iText - General mailing list archive at Nabble.com. ------------------------------------------------------------------------------ Infragistics Professional Build stunning WinForms apps today! Reboot your WinForms applications with our WinForms controls. Build a bridge from your legacy apps to the future. http://pubads.g.doubleclick.net/gampad/clk?id=153845071&iu=/4140/ostg.clktrk _______________________________________________ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions iText(R) is a registered trademark of 1T3XT BVBA. Many questions posted to this list can (and will) be answered with a reference to the iText book: http://www.itextpdf.com/book/ Please check the keywords list before you ask for examples: http://itextpdf.com/themes/keywords.php
