I'm trying to stamp a seal on a pdf with pdftk. I run:
pdftk original.pdf stamp seal.pdf output sealed.pdf
But it gets this just with a specific pdf:
Unhandled Java Exception:
gnu.xml.dom.ls.DomLSException: unbound element prefix: "xmp"
at gnu.xml.dom.ls.DomLSParser.doParse(libgcj.so.10)
at gnu.xml.dom.ls.DomLSParser.parse(libgcj.so.10)
at gnu.xml.dom.DomDocumentBuilder.parse(libgcj.so.10)
at com.lowagie.text.xml.xmp.XmpReader.<init>(itext-2.1.7.jar.so)
at com.lowagie.text.pdf.PdfStamperImp.close(itext-2.1.7.jar.so)
Caused by: org.xml.sax.SAXParseException: unbound element prefix: "xmp"
at gnu.xml.stream.SAXParser.parse(libgcj.so.10)
at gnu.xml.dom.ls.DomLSParser.doParse(libgcj.so.10)
...4 more
Caused by: javax.xml.stream.XMLStreamException: unbound element prefix: "xmp"
at gnu.xml.stream.XMLParser.error(libgcj.so.10)
at gnu.xml.stream.XMLParser.readStartElement(libgcj.so.10)
at gnu.xml.stream.XMLParser.next(libgcj.so.10)
at gnu.xml.stream.SAXParser.parse(libgcj.so.10)
...5 more
I tried with other pdf and they work. I tried in other development server and there it works. In both servers I have same version of pdftk and java.
Can anyone help me?
Thanks!