pressing "enter" gives a blank page for servletpressing "enter" gives a blank page for servlet

From:

Thufir <hawat.thufir@gmail.com>

Newsgroups:

comp.lang.java.help

Date:

Fri, 26 Sep 2008 07:02:53 -0700 (PDT)

Message-ID:

<69d4b797-f854-4dee-9d1b-9f8c5b88472f@n38g2000prl.googlegroups.com>

I don't see why I'm getting a blank page for the following HTML &
servlet:

thufir@arrakis:~$
thufir@arrakis:~$
thufir@arrakis:~$ cat NetBeansProjects/lab3project/lab3/web/
kompozer.html <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
  <meta content="text/html; charset=ISO-8859-1"
http-equiv="content-type">
  <title></title>
</head>
<body>
<br>
<br>
<br>
<form method="POST" action="/converted" name="dataEntry"><input
name="temp" value="99"><br>
</form>
</body>
</html>
thufir@arrakis:~$
thufir@arrakis:~$ cat NetBeansProjects/lab3project/lab3/src/java/
a00720398/lab3/Converted.java

package a00720398.lab3;

/*
<FORM ACTION="destination_url" METHOD=GET>
<INPUT TYPE=submit NAME=foo VALUE="Go to destination">
</FORM>

*/

import a00720398.lab3.view.*;
import a00720398.lab3.beans.*;
import java.io.*;
import java.util.ArrayList;
import javax.servlet.*;
import javax.servlet.http.*;

@SuppressWarnings({"unchecked", "serial"})
public class Converted extends HttpServlet {

    @Override
    public void doPost(HttpServletRequest in,
            HttpServletResponse output)
            throws ServletException, IOException {
        doGet(in, output);
    }

    @Override
    public void doGet(HttpServletRequest request,
            HttpServletResponse response)
            throws ServletException, IOException {

        response.setContentType("text/html");
        PrintWriter out = response.getWriter();

        StringBuffer outputResponse = new StringBuffer();

        String temp = "99";
        temp = request.getParameter(temp); //how do I gather user
input?

        int value = 999;
        //value = Integer.parseInt(temp);

        Temperature temperature = new Temperature(value,
Unit.CELSIUS);

        outputResponse.append(temp);
        outputResponse.append(HTMLManager.addPageHeader("solution"));
        outputResponse.append(HTMLManager.addDataToOutput(new
Temperature(value, Unit.CELSIUS), new Temperature(32,
Unit.FAHRENHEIT)));

        out.println(outputResponse.toString());
        out.close();

    }
}
thufir@arrakis:~$
thufir@arrakis:~$ cat NetBeansProjects/lab3project/lab3/web/WEB-INF/
web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
    <display-name>What's the temp?</display-name>
    <context-param>
        <description>bcit ID number</description>
        <param-name>author</param-name>
        <param-value>A00720398</param-value>
    </context-param>
    <context-param>
        <description>default page</description>
        <param-name>home page</param-name>
        <param-value>/temp</param-value>
    </context-param>
    <context-param>
        <description>generic title</description>
        <param-name>title</param-name>
        <param-value>Lab 3</param-value>
    </context-param>
    <servlet>
        <servlet-name>TempController</servlet-name>
        <servlet-class>a00720398.lab3.Lab3</servlet-class>
    </servlet>
    <servlet>
        <servlet-name>converted</servlet-name>
        <servlet-class>a00720398.lab3.view.Converted</servlet-class>
    </servlet>
    <servlet-mapping>
        <servlet-name>TempController</servlet-name>
        <url-pattern>/temp</url-pattern>
    </servlet-mapping>
    <servlet-mapping>
        <servlet-name>converted</servlet-name>
        <url-pattern>/converted</url-pattern>
    </servlet-mapping>
    <session-config>
        <session-timeout>
            30
        </session-timeout>
    </session-config>
    <welcome-file-list>
        <welcome-file>kompozer.html</welcome-file>
    </welcome-file-list>
    </web-app>
thufir@arrakis:~$

thanks,

Thufir