急急！！初学jsp，运行老是出错，是不是tomcat 4.1配置错了！
请大家帮忙，我想学jsp快想疯了，老是运行错误
HTTP Status 500 -
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: Unable to compile class for JSP
An error occurred at line: 2 in the jsp file: /wu/about.jsp
Generated servlet error:
[javac] Compiling 1 source file
C:\Tomcat 4.1\work\Standalone\localhost\_\wu\about_jsp.java:64: package test does not exist
test.bbsuser user = null;
^
An error occurred at line: 2 in the jsp file: /wu/about.jsp
Generated servlet error:
C:\Tomcat 4.1\work\Standalone\localhost\_\wu\about_jsp.java:66: package test does not exist
user = (test.bbsuser) pageContext.getAttribute("user", PageContext.PAGE_SCOPE);
^
An error occurred at line: 2 in the jsp file: /wu/about.jsp
Generated servlet error:
C:\Tomcat 4.1\work\Standalone\localhost\_\wu\about_jsp.java:69: package test does not exist
user = (test.bbsuser) java.beans.Beans.instantiate(this.getClass().getClassLoader(), "test.bbsuser");
^
An error occurred at line: 3 in the jsp file: /wu/about.jsp
Generated servlet error:
C:\Tomcat 4.1\work\Standalone\localhost\_\wu\about_jsp.java:79: package test does not exist
test.bbsboard board = null;
^
An error occurred at line: 3 in the jsp file: /wu/about.jsp
Generated servlet error:
C:\Tomcat 4.1\work\Standalone\localhost\_\wu\about_jsp.java:81: package test does not exist
board = (test.bbsboard) pageContext.getAttribute("board", PageContext.PAGE_SCOPE);
^
An error occurred at line: 3 in the jsp file: /wu/about.jsp
Generated servlet error:
C:\Tomcat 4.1\work\Standalone\localhost\_\wu\about_jsp.java:84: package test does not exist
board = (test.bbsboard) java.beans.Beans.instantiate(this.getClass().getClassLoader(), "test.bbsboard");
^
6 errors
at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:85)
at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:248)
at org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:315)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:328)
at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:427)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:142)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:240)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:187)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:809)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:200)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:146)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:209)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:144)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2358)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:133)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:118)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:116)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:127)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:152)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
at java.lang.Thread.run(Thread.java:534)
