I am using the example program from the O'Reilly book
"Java Servlet Programming" by Jason Hunter.
The code/servlet will run once and then hang. The
log file contains the error about the class ServletCookie
that I mention previous.
Scott
---------------- CODE ----------------------------
import java.io.*;
import java.text.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class SessionTracker extends HttpServlet {
public void doGet(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
res.setContentType("text/html");
PrintWriter out = res.getWriter();
HttpSession session = req.getSession();
Integer count = (Integer)session.getAttribute("tracker.count");
if(count == null)
count = new Integer(1);
else
count = new Integer(count.intValue() + 1 );
session.setAttribute("tracker.count",count);
out.println("<html><head><title>Session Tracker</title></head>");
out.println("<body><h1>Session Tracking Demo</h1>");
out.println("You have visited this page " + count + "time(s)");
out.println("<p>");
out.println("<h2>Here is your session data:</h2>");
Enumeration enum = session.getAttributeNames();
while(enum.hasMoreElements()){
String name = (String) enum.nextElement();
out.println(name + ": " + session.getAttribute(name) + "<br>");
}
out.println("</body></html>");
}
}
----------- END OF CODE ----------------------------------------
Phillip Morelock wrote:
>
> please provide source code, or maybe at least the relevant lines.
>
> what is the fully qualified class name of your servlet?
>
> also if you send source code please include any "import" or "package"
> statement lines.
>
> fillup
>
> On 5/24/02 11:03 AM, "Scott C Strecker" <[EMAIL PROTECTED]> wrote:
>
> > I am trying to utilize Session Tracking in a servlet under tomcat 4.0.3.
> > When I try
> > a simple example I get the following error in my log file.
> >
> > java.lang.NoClassDefFoundError: org/apache/tomcat/util/http/ServerCookie
> > at
> > org.apache.tomcat.util.http.Cookies.addCookie(Cookies.java:180, Compiled
> > Code)
> > at
> > org.apache.tomcat.util.http.Cookies.processCookieHeader(Cookies.java:300,
> > Compiled Code)
> > at
> > org.apache.tomcat.util.http.Cookies.processCookies(Cookies.java:211,
> > Compiled Code)
> > at
> > org.apache.tomcat.util.http.Cookies.getCookieCount(Cookies.java:161,
> > Compiled Code)
> > at
> > org.apache.ajp.tomcat4.Ajp13Request.addCookies(Ajp13Request.java:184,
> > Compiled Code)
> > at
> > org.apache.ajp.tomcat4.Ajp13Request.setAjpRequest(Ajp13Request.java:146,
> > Compiled Code)
> > at
> > org.apache.ajp.tomcat4.Ajp13Processor.process(Ajp13Processor.java:417,
> > Compiled Code)
> > at
> > org.apache.ajp.tomcat4.Ajp13Processor.run(Ajp13Processor.java:495,
> > Compiled Code)
> > at java.lang.Thread.run(Thread.java:484, Compiled Code)
> >
> > Is this because of some setting in my configuration i.e. to turn
> > cookies on. Or am I missing a class
> > as the error seems to indicate. I have the stock setup for tomcat as it
> > came from the factory ( so to speak ).
> > I have not changed any settings on the tomcat web.xml. I was under the
> > impression that cookies=on was
> > the default.
> >
> > Any pointers would be much appreciated.
> >
> > Scott
> >
> > --
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> > For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
> >
>
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