Hello Friends!
I have a debugging problem here that I hope the gurus
here can help me figure out.
I'm trying to do RSA public key encryption in a
servlet that I'm developing inside Netbeans 6.1. I'm
using the Bouncy Castle (BC) crypto package. When I
build the servlet, there are no errors. Then I run it,
and Netbeans invokes the Tomcat 6.0.16 container in it
and waits for a client to conect. But when I connect
to the servlet from a client, it crashes when it
executes this line in my code:
private RSAPrivateCrtKeyParameters RSAprivKey = null;
with this message in the Tomcat log output:
SEVERE: Allocate exception for servlet Fortune
java.lang.NoClassDefFoundError:
Lorg/bouncycastle/crypto/params/RSAPrivateCrtKeyParameters;
and prints this stack trace:
at java.lang.Class.getDeclaredFields0(Native
Method)
at
java.lang.Class.privateGetDeclaredFields(Class.java:2291)
at
java.lang.Class.getDeclaredFields(Class.java:1743)
at
org.apache.catalina.util.DefaultAnnotationProcessor.processAnnotations(DefaultAnnotationProcessor.java:131)
at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1108)
at
org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:806)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:129)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Thread.java:619)
Interestngly, the same RSA public encryption code with
Bouncy Castle library works flawlessly when I develop
it in Netbeans IDE and run it as a java application
(not servlet). In servlet environment, it fails. Yes,
I added cldc_classes.zip class library file from
Bouncy Castle to compile the code.
Oh, and the client reports the following error when
trying to connect to the servlet:
The server encountered and internal error that
prevented it from fulfilling this request.
ServletException: Error instantiating servlet
class fortune.Fortune.
What am I not doing right? Has anyone else seen
something similar and what's the
getaround/workaround?
Thanks,
Jeng Yu
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