Dear all,

I am using Tomcat 4.0, Maverick 2.0, IAIK JCE 3.0 signed version and also
SunJCE. I wish to make a servlet that read in an X509 certificate, and
extracting the information from the certificate by the following procedures:

FileInputStream certin = new FileInputStream("example.crt");
clientPKCert = X509Certificate.getInstance(certin);

I got the following exception, which I have been struggling of:

javax.servlet.ServletException: InvocationTargetException:
javax.security.cert.CertificateException: X.509 not found
        at org.infohazard.maverick.ctl.Throwaway.perform(Throwaway.java:58)
        at
org.infohazard.maverick.flow.ThrowawayControllerAdapter.perform(ThrowawayCon
trollerAdapter.java:40)
        at org.infohazard.maverick.flow.CommandBase.go(CommandBase.java:46)
        at org.infohazard.maverick.Dispatcher.service(Dispatcher.java:115)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:247)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:193)
        at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
va:243)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
66)
        at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
        at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja
va:190)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
66)
        at
org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:2
46)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
64)
        at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
        at
org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2343)
        at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180
)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
66)
        at
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.
java:170)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
64)
        at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170
)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
64)
        at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:468)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
64)
        at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
        at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java
:174)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
66)
        at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
        at
org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java:
1012)
        at
org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1107
)
        at java.lang.Thread.run(Thread.java:536)

Please help me. Thank you very much.


Best regards,
--------------------------------------------
Jordan Cheun Ngen, Chong
INF-4067 Universiteit Twente
Postbus 217
7500 AE Enschede
The Netherlands

Distributed and Embedded Systems (DIES)
--------------------------------------------
Office Phone: +31 53 4894655
Web site: http://www.cs.utwente.nl/~chong
Email Add.: [EMAIL PROTECTED]
============================================


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