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digital signature error

 
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Posts: 225
IBM DB2 Eclipse IDE Java
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for the following code


it is giving following exception


HTTP Status 500 -

--------------------------------------------------------------------------------

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: Servlet execution threw an exception
InfonetFilter.doFilter(InfonetFilter.java:43)
root cause

java.lang.NoSuchMethodError: org.bouncycastle.asn1.DERSequence.<init>(Lorg/bouncycastle/asn1/DEREncodableVector;)V
com.itextpdf.text.pdf.PdfPKCS7.getEncodedPKCS7(PdfPKCS7.java:1201)
com.itextpdf.text.pdf.PdfPKCS7.getEncodedPKCS7(PdfPKCS7.java:1151)
com.itextpdf.text.pdf.PdfSigGenericPKCS.setSignInfo(PdfSigGenericPKCS.java:107)
com.itextpdf.text.pdf.PdfSignatureAppearance.preClose(PdfSignatureAppearance.java:973)
com.itextpdf.text.pdf.PdfSignatureAppearance.preClose(PdfSignatureAppearance.java:897)
com.itextpdf.text.pdf.PdfStamper.close(PdfStamper.java:192)
Digital.doGet(Digital.java:53)
javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.apache.catalina.servlets.InvokerServlet.serveRequest(InvokerServlet.java:402)
org.apache.catalina.servlets.InvokerServlet.doGet(InvokerServlet.java:134)
javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
InfonetFilter.doFilter(InfonetFilter.java:43)


note The full stack trace of the root cause is available in the Apache Tomcat/6.0.18 logs.


--------------------------------------------------------------------------------

Apache Tomcat/6.0.18


what could be the problem?
 
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2
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This looks more a bouncy castle issue.

Looking quickly in the web appears several hits about version 1.46 and works fine in 1.43: http://itext-general.2136553.n4.nabble.com/Nosuchmethod-error-for-bouncy-castle-td3492864.html
 
Megha Singhal
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German Gonzalez-Morris wrote:This looks more a bouncy castle issue.

Looking quickly in the web appears several hits about version 1.46 and works fine in 1.43: http://itext-general.2136553.n4.nabble.com/Nosuchmethod-error-for-bouncy-castle-td3492864.html


as i am working on my college server so i can't enhance the version of jar file so is there is any alternative for it.
 
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