How to make beans in jsp

[Alan Lun]

I have installed Tomcat. The JSP examples don't work after I recompiled the
beans (javac NumberGuessBean.java). Any ideas?

Alan
[EMAIL PROTECTED]


It gives the error message:
Error: 500

Location: /adl107/jsp/sessions/carts.jsp

Internal Servlet Error:

javax.servlet.ServletException
        at org.apache.jasper.runtime.PageContextImpl.handlePageException(Compiled Code)
        at
jsp.sessions._0002fjsp_0002fsessions_0002fcarts_0002ejspcarts_jsp_1._jspService(Compiled
 Code)
        at org.apache.jasper.runtime.HttpJspBase.service(Compiled Code)
        at javax.servlet.http.HttpServlet.service(Compiled Code)
        at org.apache.jasper.runtime.JspServlet$JspServletWrapper.service(Compiled 
Code)
        at org.apache.jasper.runtime.JspServlet.serviceJspFile(Compiled Code)
        at org.apache.jasper.runtime.JspServlet.service(Compiled Code)
        at javax.servlet.http.HttpServlet.service(Compiled Code)
        at org.apache.tomcat.core.ServletWrapper.handleRequest(Compiled Code)
        at org.apache.tomcat.core.ContextManager.service(Compiled Code)
        at 
org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(Compiled Code)
        at org.apache.tomcat.service.TcpConnectionThread.run(Compiled Code)
        at java.lang.Thread.run(Thread.java:479)

Root cause:

java.lang.ClassCastException
        at
jsp.sessions._0002fjsp_0002fsessions_0002fcarts_0002ejspcarts_jsp_1._jspService(Compiled
 Code)
        at org.apache.jasper.runtime.HttpJspBase.service(Compiled Code)
        at javax.servlet.http.HttpServlet.service(Compiled Code)
        at org.apache.jasper.runtime.JspServlet$JspServletWrapper.service(Compiled 
Code)
        at org.apache.jasper.runtime.JspServlet.serviceJspFile(Compiled Code)
        at org.apache.jasper.runtime.JspServlet.service(Compiled Code)
        at javax.servlet.http.HttpServlet.service(Compiled Code)
        at org.apache.tomcat.core.ServletWrapper.handleRequest(Compiled Code)
        at org.apache.tomcat.core.ContextManager.service(Compiled Code)
        at 
org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(Compiled Code)
        at org.apache.tomcat.service.TcpConnectionThread.run(Compiled Code)
        at java.lang.Thread.run(Thread.java:479)

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