Maybe you should show us the pdf.
----- Original Message -----
From: <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Friday, July 08, 2005 6:11 AM
Subject: [iText-questions] Read a signed PDF document
>
>
>
>
>
> We've created PDF documents with Self-signed certificate, now we would
like
> to add a watermark on top of the document when printing.
> But I don't know how to read the signed PDF documents, the following error
> thrown when creating a new instance of PDFReader:
>
> java.lang.NullPointerException
> at com.lowagie.text.pdf.PdfReader.readDecryptedDocObj(Unknown
Source)
> at com.lowagie.text.pdf.PdfReader.readDocObj(Unknown Source)
> at com.lowagie.text.pdf.PdfReader.readPdf(Unknown Source)
> at com.lowagie.text.pdf.PdfReader.<init>(Unknown Source)
> at com.lowagie.text.pdf.PdfReader.<init>(Unknown Source)
> at WatermarkPDF.main(WatermarkPDF.java:29)
>
>
> Thanks
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