Hello,
I am attempting to get webMathmatica going for our school. I'm not sure if you can
help me since the tomcat examples run fine. The error appears to be related to a
missing class perhaps? Im not sure what to do.... Below is the error as well as the
source of the example that causes the error (They all error out). Any help/guidence
you can provide would be greatly appreciated.
Sincerely,
- Todd Burkard
This is the error when I attempt to use one of my webMathmatica examples:
=======START MATHMATICA ERROR===================================
type Exception report
message
description The server encountered an internal error () that prevented it from
fulfilling this request.
exception
org.apache.jasper.JasperException: /Examples/Hello.jsp(25,4) Unable to load class
allocateKernel
at
org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:94)
at
org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:428)
at
org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:219)
at org.apache.jasper.compiler.Parser.parseCustomTag(Parser.java:712)
at org.apache.jasper.compiler.Parser.parseElements(Parser.java:804)
at org.apache.jasper.compiler.Parser.parse(Parser.java:122)
at org.apache.jasper.compiler.ParserController.parse(ParserController.java:199)
at org.apache.jasper.compiler.ParserController.parse(ParserController.java:153)
at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:227)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:369)
at
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:473)
at
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:190)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2416)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:601)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:392)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:565)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:619)
at java.lang.Thread.run(Thread.java:534)
--------------------------------------------------------------------------------
Apache Tomcat/4.1.27
======END MATHMATICA ERROR==============================================
Here is the .jsp source
=======START MATHMATICA SOURCE===================================
<%@ page language="java" %>
<%@ taglib uri="/webMathematica-taglib" prefix="msp" %>
<!--
webMathematica source code (c) 1999-2003,
Wolfram Research, Inc. All rights reserved.
This is an example of webMathematica, that shows
how to embed Mathematica code inside of a JSP.
The example can be run directly via a URL such as
http://localhost:8080/webMathematica/Examples/Hello.jsp
It can also be loaded from a template by
http://localhost:8080/webMathematica/BrowseExamples/Hello.html
-->
<html>
<head>
<title>Hello World</title>
</head>
<body>
<h1>Hello World</h1>
<msp:allocateKernel>
<h4>Date[]</h4>
<msp:evaluate>
Date::usage
</msp:evaluate>
<p>Its current value is:</p>
<msp:evaluate>
Date[]
</msp:evaluate>
</msp:allocateKernel>
<p>
<i>This example shows a basic use of webMathematica.</i>
</p>
</body>
</html>
=======END MATHMATICA SOURCE===================================
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