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?
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