On Fri, Dec 29, 2000 at 12:24:36AM -0200, Luiz Fernando wrote:
> I have already tried many times... but i couldnt!!!
>
> When I try to compile this example that comes with Tomcat
> I get the following 3 errors:
>
> SessionExample.java:29: Method setAttribute(java.lang.String.
> java.lang.String) not found in interface javax.servlet.http.HttpSession.
>
> The same error occours for method getAttributeNames and getAttribute
>
> What the hell Im doing wrong. I have tomcat 3.1 and JDK1.2.2 installed with
> correct CLASSPATH, JAVA_HOME and TOMCAT_HOME variables set.
>
> Please somebody help me!!!!
>
>
> import java.io.*;
> import java.util.*;
> import javax.servlet.*;
> import javax.servlet.http.*;
>
> public class SessionExample extends HttpServlet {
>
> public void doGet(HttpServletRequest request, HttpServletResponse
> response)
> throws IOException, ServletException
> {
> response.setContentType("text/html");
> PrintWriter out = response.getWriter();
>
> HttpSession session = request.getSession(true);
>
> // print session info
>
> Date created = new Date(session.getCreationTime());
> Date accessed = new Date(session.getLastAccessedTime());
> out.println("ID " + session.getId());
> out.println("Created: " + created);
> out.println("Last Accessed: " + accessed);
>
> // set session info if needed
>
> String dataName = request.getParameter("dataName");
> if (dataName != null && dataName.length() > 0) {
> String dataValue = request.getParameter("dataValue");
> session.setAttribute(dataName, dataValue);
> }
>
> // print session contents
>
> Enumeration e = session.getAttributeNames();
> while (e.hasMoreElements()) {
> String name = (String)e.nextElement();
> String value = session.getAttribute(name).toString();
> out.println(name + " = " + value);
> }
> }
> }
>
You probably have an older version of servlet classes in your
classpath. Add TOMCAT_HOME/libs/servlet.jar to your classpath,
_before_ any other servlet classes you have in your path.
mjb
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