Hi Valentin,
On 17 May 2012 10:22, Valentin Ivanov <[email protected]> wrote:
> Hello,
>
> I use *itext-paulo-155_fixed.jar* to sign PDF files in Java 6 without any
> problems. But in Java 7 I have the exception :
>
> /java.lang.ClassCastException: com.lowagie.text.pdf.PdfTemplate cannot be
> cast to java.lang.Comparable
> at java.util.TreeMap.compare(Unknown Source)
> at java.util.TreeMap.put(Unknown Source)
> at
> com.lowagie.text.pdf.PdfAnnotation.setAppearance(PdfAnnotation.java:512)
> at
>
> com.lowagie.text.pdf.PdfSignatureAppearance.preClose(PdfSignatureAppearance.java:767)
> at
>
> com.lowagie.text.pdf.PdfSignatureAppearance.preClose(PdfSignatureAppearance.java:721)
> at org.btrust.signer.PDFSigner.initSignPDF(PDFSigner.java:275)/
>
> I could not find in internet any issues with this library and Java 7. What
> could be the problem?
>
The problem is that you are using a version that is around 7 years old,
while Java 7 was released last year.
Consider updating to the latest version of iText, namely 5.2.1.
Cheers,
alexis
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