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  1. #1
    koricha is offline Member
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    Default Sum Of 2 Numbers Jsp

    i am trying to get the sum of 2 number it should give me a message if the sum is correct. i get an error "org.apache.jasper.JasperException: An exception occurred processing JSP page /index.jsp at line 21" .any suggestions whats wrong with the program.

    Java Code:
    <%@ page import="java.io.*"%><%@
    page import="java.util.*"%><?xml version="1.0" encoding="UTF-8"?>
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head>
    </head>
    <meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
    <%
            String sum = (String) session.getAttribute("sum");
            if (sum==null) {
                    sum = "0";
                    session.setAttribute("sum",sum);
            }
            int isum = Integer.parseInt(sum);
            String fib1 = "8";
            int ifib1 = Integer.parseInt(fib1);
            String fib2 = "13";
            int ifib2 = Integer.parseInt(fib2);
            sum=fib1+fib2;
            String sm=request.getParameter("number");
            int num =Integer.parseInt(sm);
            if(num==isum)
            {
                    if(request.getParameter("submit").equals("add")){
                    out.print("correct");
                    }
            }
    %>
    
    <body>
            <title>MAIN</title>
    
    
            <%=fib1%> + <%=fib2%> = <input type="text" name="number">
            <input type="button" value="go" onclick="doTheGObutton();">
            <form action="index.jsp" method="POST">
     <input type='submit' name='submit' id='add' value='add'>
            </form>
    
    </body>
    </html>

  2. #2
    DarrylBurke's Avatar
    DarrylBurke is online now Forum Police
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    Default Re: Sum Of 2 Numbers Jsp

    Moved from New to Java

    db
    If you're forever cleaning cobwebs, it's time to get rid of the spiders.

  3. #3
    Tolls is offline Moderator
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    Default Re: Sum Of 2 Numbers Jsp

    Is 'sm' a number?
    You really need to put this into a servlet.
    Please do not ask for code as refusal often offends.

    ** This space for rent **

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