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MathGroup Archive 2003

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webMathematica: ClassNotFoundException: org.apache.tomcat.facade.HttpServletRequestFacade

  • To: mathgroup at smc.vnet.net
  • Subject: [mg39356] webMathematica: ClassNotFoundException: org.apache.tomcat.facade.HttpServletRequestFacade
  • From: Daryl Fonseca-Holt <fonsecah at cc.UManitoba.CA>
  • Date: Wed, 12 Feb 2003 03:53:20 -0500 (EST)
  • Organization: The University of Manitoba
  • Sender: owner-wri-mathgroup at wolfram.com

On occasion I get the exception below in the Tomcat servlet log. I am 
not conversant in Java and need some kind of pointer. When the error 
occurs the user's web browser seems to timeout. I suspect that an error 
in the user's script is causing an error and MSP wants to display it on 
their browser but cannot because of this missing class.

Other than this error the product is working well.

We are using Tomcat 3.3.1 but I got the same error from 4.1.17.

Thanks,
Daryl Fonseca-Holt - UNIX Software Adminstrator - University of Manitoba

2003-02-10 18:39:33 - /webMathematica: MSP: Java::excptn: A Java
  exception occurred:
     java.lang.ClassNotFoundException:
        org.apache.tomcat.facade.HttpServletRequestFacade
         at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
         at MSP.evaluateMSP(MSP.java:149)
         at MSP.processMSP(MSP.java:342)
         at MSP.doGet(MSP.java:356)
         at javax.servlet.http.HttpServlet.service(HttpServlet.ja
va)
         at javax.servlet.http.HttpServlet.service(HttpServlet.ja
va)
         at
        org.apache.tomcat.facade.ServletHandler.doService(Servlet
Handler.java:5
        74)
         at org.apache.tomcat.core.Handler.invoke(Handler.java:32
2)
         at org.apache.tomcat.core.Handler.service(Handler.java:2
35)
         at
        org.apache.tomcat.facade.ServletHandler.service(ServletHa
ndler.java:485
        )
         at
        org.apache.tomcat.core.ContextManager.internalService(Con
textManager.ja
        va:917)
         at org.apache.tomcat.core.ContextManager.service(Context
Manager.java:833)
         at
        org.apache.tomcat.modules.server.Http10Interceptor.proces
sConnection(Ht
        tp10Interceptor.java:176)
         at
        org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpE
ndpoint.java:4
        94)
         at
        org.apache.tomcat.util.threads.ThreadPool$ControlRunnable
.run(ThreadPoo
        l.java:516)
         at java.lang.Thread.run(Thread.java:536)
      .



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