executing code in jsps

lz7cjc
lz7cjc used Ask the Experts™
on
Hi
I am trying to run some jsp pages but although the html appears the jsp code does not run

I am running both Apache and IIS - do I need to have Tomcat running as well? which version should i be downloading...there seem to be a whole raft of choices as to what to download; which one should I download and install - do I need to install more than one file?
thanks
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ahosangFinance Systems Developer

Commented:
we'd have to see your jsp code. What's not running?

Author

Commented:
here you go - there are two pages

first page:
<html>
<head>
<title>
Adding up two numbers - JSP Example 2
</title>
</head>
<body>
<h1>
Adding up two numbers - JSP Example 2
</h1>
<p>
<form method=GET action="http://www.scit.wlv.ac.uk/jsp/home/staff/acad/jphb/public_html/sst/jsp/ex2.jsp">
<p>
<table>
<tr><td>Enter first number<td> <input type=text name="n1">
<tr><td>Enter second number<td> <input type=text name="n2">
<tr><td> <td><input type=submit value="Calculate sum">
</table>
</body>
</html>


calls this page:
<html>
<head>
<title>
JSP Example 2
</title>
</head>
<body>
<h1>JSP Example 2</h1>
<%
      String      sn1;
      String      sn2;
      int n1,n2;
      sn1 = request.getParameter("n1");
      sn2 = request.getParameter("n2");
      n1 = Integer.parseInt(sn1);
      n2 = Integer.parseInt(sn2);
      out.println("The numbers were " + sn1 + " and " + sn2);
      out.println("<br>");
      out.println("The sum is " + (n1+n2));
%>
</body>
</html>

and only "JSP Example 2" prints out on the page

Commented:
Yes.  You do need to have a Servlet container running (eg. Tomcat).

Tomcat 4 is a good stable release (http://jakarta.apache.org/tomcat/index.html)

It's a 4.1.27 at the moment.

I've always found the Tomcat installation process quite painless, but I've not tried to link it with Apache or IIS (I currently run it standalone).

To start with, I'd recommend you do the same and simply let it run on it's default port of 8080.

Without the container, your JSP will just be displayed as HTML (as you are finding) ;-)

Your JSP page will need to appear under a directory in the Tomcat "webapps" directory in order for Tomcat to find it (and compile and run it).

Good luck ;-)

Jim.
Exploring SharePoint 2016

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Author

Commented:
thanks I have follow up questions but will post different questions for them

Author

Commented:
however I do need to know what I am meant to be downloading since there seem to be a whole host of options under downloads
thanks

Commented:
You are absoultely right.  They've changed the site since my last download and it's a real mess now.

Give me a few minutes and I'll get back to you with a link.

Jim.
Commented:
OK,

Go to the binaries download page:

http://jakarta.apache.org/site/binindex.cgi

I think you want the following link:

http://mirrors.ccs.neu.edu/Apache/dist/jakarta/tomcat-4/binaries/jakarta-tomcat-4.1.27.exe

This is the "4.1.27 exe" link from the following section:

Tomcat 4.1.27 KEYS

    * 4.1.27 zip PGP MD5
    * 4.1.27 tar.gz PGP MD5
    * 4.1.27 exe PGP MD5

Jim.


(I'm not very impressed with their new layout.  Surely it would make more sense to have the basic distros listed first!)

Commented:
I've sent an e-mail to the webmaster asking if they wouldn't mind changing the layout ;-)

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