Newbie need help on JSP! Thank you

I am trying to sent data from a html file to a jsp file by using request,
although it load jsp page successfully, variables are empty.( I assure
that the variable names match), here is the code
<html>
<body>
<h1>Please tell me about yourself</h1>
<form action="SimpleFormHandler.jsp" method="get">
Name:    <input type="text" name="firstName">
    <input type="text" name="lastName"><br>
Sex:
    <input type="radio" checked name="sex" value="male">Male
    <input type="radio" name="sex" value="female">Female
<P>
What Java primitive type best describes your personality:
<select name="javaType">
    <option value="boolean">boolean</option>
    <option value="byte">byte</option>
    <option value="char" selected>char</option>
    <option value="double">double</option>
    <option value="float">float</option>
    <option value="int">int</option>
    <option value="long">long</option>
</select>
<br>
<input type="submit">
</form>
</body>
</html>
<html>
<body>
<%
// Grab the variables from the form
    String firstName = request.getParameter("firstName");
    String lastName = request.getParameter("lastName");
    String sex = request.getParameter("sex");
    String javaType = request.getParameter("javaType");
%>
<%-- Print out the variables --%>
<h1>Hello, <%=firstName%> <%=lastName%>!</h1>
I see that you are <%=sex%>. You know, you remind me of a
<%=javaType%> variable I once knew.
</body>
</html>

This works- just ensure that the latest jsp is being picked up by the server. (A restart and a new IE would ensure that)
<html>
<body>
<h1>Please tell me about yourself</h1>
<form action="test3.jsp" method="get">
Name:    <input type="text" name="firstName">
    <input type="text" name="lastName"><br>
Sex:
    <input type="radio" checked name="sex" value="male">Male
    <input type="radio" name="sex" value="female">Female
<P>
What Java primitive type best describes your personality:
<select name="javaType">
    <option value="boolean">boolean</option>
    <option value="byte">byte</option>
    <option value="char" selected>char</option>
    <option value="double">double</option>
    <option value="float">float</option>
    <option value="int">int</option>
    <option value="long">long</option>
</select>
<br>
<input type="submit">
</form>
</body>
</html>
<html>
<body>
<%
// Grab the variables from the form
    String firstName = request.getParameter("firstName");
    String lastName = request.getParameter("lastName");
    String sex = request.getParameter("sex");
    String javaType = request.getParameter("javaType");
    if(firstName != null && lastName != null && sex != null && javaType !=null){
%>
           <%-- Print out the variables --%>
           <h1>Hello, <%=firstName%> <%=lastName%>!</h1>
           I see that you are <%=sex%>. You know, you remind me of a
            <%=javaType%> variable I once knew.
<%}%>
</body>
</html>ram.

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