JSP forwarding between WML pages

Apparently some (not all) WAP browsers are very strict that the XML tag come first thing, no spaces, no blank lines.
So when I forward from one JSP (which has an XML tag at it's very beginning) to another JSP page (which also has an XML tag at it's very beginning) it creates a problem on older browsers and they complain of the HTTP reply (that's what they call it) being empty.
The forwarded to page is a login page that is never accessed directly, only through forwards, so can I remove the XML tag at the beginning to eleviate this problem?
These browsers are so strict that I can't even place some JSP page tags before the XML as they result in a space or blank line. I love this stuff!

Try to put this code in the top of the jsp, if you didn't do yet.
<%@ page contentType="text/vnd.wap.wml" %>
<?xml version="1.0"?>

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Restore Data between multiple pages

Hi All,
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#'s in jsp:forward

Hi there,
Here's what I got:
1. a form to input data.
2. the data is submited to a processing jsp
3. the processing jsp forwards to anohter page. here's my forwarding syntax:
<jsp:forward page="PicView.jsp">
<jsp:param name="photoID" value="8987"/>
<jsp:param name="SGID" value="5642"/>
</jsp:forward>
What I want:
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JoelMac

*** in your JSP ***
<jsp:forward page="PicView.jsp">
<jsp:param name="photoID" value="8987"/>
<jsp:param name="SGID" value="5642"/>
<jsp:param name="where" value="#photo" />
</jsp:forward>
*** in PicView.jsp ***
<%
String s = request.getParameter("where");
if ( s != null )
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     out.println("window.location.href = \"" + s + "\";");
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%>
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<script>
window.location.href = "<%= where %>" ;
</script>

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Getting Java var on second page without JSP:Forward

Hi all ..
My friend has asked a question....
So
i want to get a Java variable on the second page
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first jsp ("submittion of first page") you don't need
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in the request and then either forward or include the 2nd
page.. that or set it in the session or application scope
and redirect to the next page.

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If I bookmark a page in my project and close the browser , and again on restarting the browser
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Hi,
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Can a .jsp contain more then one jsp:forward page if it's conditional.
ie. if condition true
forward to pageA
else
forward to pageB?
Thank you.

gimbal2,
Thanks for the response. I did try it and I got a
compile error. I just realized that the error was
regarding a different issue.
JJIn that case, it would have been appropriate to post the actual problem.

How to use jsp:forward

I would like to show my code, because i'm not sure what u mean at the moment...i want to display the error message on the registration.jsp page and not on a new page...
registration.jsp:
<HTML>
<HEAD>
<TITLE>New Player</TITLE>
<content = "registration.html">
<LINK REL=stylesheet TYPE="text/css" HREF="style.css">
<SCRIPT>
function validateText(regForm)
if(regForm.firstName.value=="")
return false;
if(regForm.surname.value=="")
return false;
if(regForm.email.value=="")
return false;
if(regForm.teamName.value=="")
return false;
if(regForm.pass1.value=="")
return false;
if(regForm.pass2.value=="")
return false;
return true;
function validatePass(regForm)
if(regForm.pass1.value!==regForm.pass2.value)
return false;
return true;
function validatePassw(regForm)
var pWord = regForm.pass1.value;
if(pWord.length > 8)
return false;
else if(pWord.length < 4)
return false;
return true;
function validateTeamn(regForm)
var tName = regForm.teamName.value;
if(tName.length > 15)
return false;
return true;
function validateEmail(email)
var result = false
var theStr = new String(email)
var index = theStr.indexOf("@");
if (index > 0)
var pindex = theStr.indexOf(".",index);
if ((pindex > index+1) && (theStr.length > pindex+1))
result = true;
return result;
function doSubmit(regForm)
if(validateText(regForm)==false)
alert("Please complete all text fields");
return false;
else if (!validateEmail(regForm.email.value))
alert("Please enter email address in the form: [email protected]");
return false;
else if(validateTeamn(regForm)==false)
alert("Team Name too long");
return false;
else if(validatePass(regForm)==false)
alert("Passwords did not match, please retype password");
return false;
else if(validatePassw(regForm)==false)
alert("Incorrect password length, please retype password");
return false;
//alert("Your details are being submitted");
//return;
</SCRIPT>
</HEAD>
<BODY>
<FONT size=4>
Please enter the following information in the space provided below:
</FONT>
<CENTER>
<FORM NAME="regForm" ACTION="confirm.jsp" METHOD=POST onSubmit="return doSubmit(regForm);">
<B><U>Personal Details:</U></B><BR>
<FONT SIZE=2 color="blue">(Your Team Name should be no more than 15 characters long<BR>
& Your Password should be between 4-8 characters)</FONT><BR>
<TABLE>
<TR>
<TD ALIGN="right">
First Name:
</TD>
<TD ALIGN="left">
<INPUT TYPE="text" SIZE=20 NAME="firstName">
</TD>
</TR>
<TR>
<TD ALIGN="right">
Surname:
</TD>
<TD ALIGN="left">
<INPUT TYPE="text" SIZE=20 NAME="surname">
</TD>
</TR>
<TR>
<TD ALIGN="right">
Email Address:
</TD>
<TD ALIGN="left">
<INPUT TYPE="text" SIZE=20 NAME="email">
</TD>
</TR>
<TR>
<TD ALIGN="right">
Team Name:
</TD>
<TD ALIGN="left">
<INPUT TYPE="text" SIZE=20 MAXLENGTH=30 NAME="teamName">
</TD>
</TR>
<TR>
<TD ALIGN="right">
Password:
</TD>
<TD ALIGN="left">
<INPUT TYPE="password" SIZE=8 MAXLENGTH=20 NAME="pass1">
</TD>
</TR>
<TR>
<TD ALIGN="right">
Re-enter Password:
</TD>
<TD ALIGN="left">
<INPUT TYPE="password" SIZE=8 MAXLENGTH=15 NAME="pass2">
</TD>
</TR>
</TABLE>
<INPUT TYPE="submit" VALUE="Register">
<INPUT TYPE="reset" VALUE="Clear Form">
</FORM>
</CENTER>
</BODY>
</HTML>
confirm.jsp:
<html>
<head>
<basefont face="Arial">
</head>
<body>
<center>
<%@ page language="java" import="java.sql.*" %>
<%
// load driver
Class.forName("org.postgresql.Driver");
// create connection url
String URL = "jdbc:postgresql://dbhost/ug59sxn";
// pass database parameters to JDBC driver
Connection Conn = DriverManager.getConnection(URL, "ug59sxn", "hupeswop");
boolean verify = false;
String email;
String email2;
email = request.getParameter("email");
// query statement
Statement SQLStatement = Conn.createStatement();
// generate query
String Query = "SELECT email FROM usertable " +
"WHERE email = '"+email+"'";
// get result
ResultSet SQLResult = SQLStatement.executeQuery(Query);
// check for email
while(SQLResult.next())
email2 = SQLResult.getString(1);
if(email.equalsIgnoreCase(email2))
verify=true;
out.println("email already exists, please type another one");
if(verify==false)
%>
<jsp:forward page="reg2.jsp"></jsp:forward>
<%
// close connections
SQLResult.close();
SQLStatement.close();
Conn.close();
%>
</center>
</body>
</html>
So what u r saying..i should put into my confirm.jsp -
%>
<jsp:forward page="registration.jsp">
<jsp:param name="errorMessage" value="Email already exist" />
</jsp:forward>
<%
but the part where i'm abit confused, what am i supposed to put in the registration.jsp page?
thanx for the help in advance.

Hi,
In confirm.jsp You can put the error message in a header with response.setAttribute(sMsg, "Please type proper values"); or you can put it in session or cookie.
And get this information in the regestration.jsp and display it.

About jsp:forward

Hello everybody, sorry for my bad english.
Finally, I let my old post to ask my question differently:
Is it possible, with ADF, to start the application like this:
in web.xml:
<welcome-file>index.jsp</<elcome-file>
in index.jsp:
<jsp:forward page="/home.jsf"/>
Because personally, the only method I found is:
in web.xml:
<welcome-file>index.jspx</welcome-file>
with the appropriated configuration in web.xml (particularly a filter implemented manually).
If the answer to my question is yes, please, is it possible to see you web.xml file?
Thanks in advance.

Thanks for your answer.
In fact, nothing is bad with:
<welcome-file>/home.jsf</welcome-file>
But know if it is possible to use <jsp:forward page="/home.jsf"> could maybe help me to understand some things about the use of filters.
Personally, as I said before, I can effectively use <welcome-file>/home.jsf</welcome-file> but this implies to implement a filter.
In others libraries (even with Trinidad), this filter is never needed.
So, I try to understand the difference between those two methods.
And any information about this interest me.
Thanks in advance.

Problem while redirecting from servlet to wml page

Hello everybody
I am developing a WAP site but I am a begnner in wml and servlet. So I need some help from you ppl.
I have made a wml page whch redirects to a Login servlet now from that LoginServlet I want to gain redirect to a wml page. I have written the following code so that when the user clicks on Login he is redirected to emailreaderwap/Login.wml page
PrintWriter out = response.getWriter();
String url="/emailreaderswap/login.wml";
response.addHeader("Content-Location:", Double.toStringMath.random()));
response.setContentType("text/vnd.wap.wml");
out.println("<?xml version=\"1.0\" encoding=\"utf-8\"?> ");
out.println("<!DOCTYPE wml PUBLIC \"-//WAPFORUM//DTD WML 1.3//EN\" ");
out.println("\"http://www.wapforum.org/DTD/wml13.dtd\"> ");
out.println("<wml>");
out.println("<card>");
out.println("<p>"+ "Email Address or Password are wrong Please Try Again!\r\nClick On The Link Below to go back to Login Page"+
                            "<a href=\""+url+"\">Login</a>");
out.println("</p>"+"</card>"+"</wml>");But when I run this in my Nokia Mobile Browser4.0 I get "malformed output" as output whereas I want to see the /emailreaderwap/Login.wml page as the output.
Please tell me whether this is the right way to go abt it or is there any other way i can accomplish my task.
I hope you ppl reply as soon as possible as I have a deadlne to meet.
Eagerly waiting for your reply.
Thankyou
Heti Shah

hi ,
u forgot to give the slash ("/") before jsp file when u r creating the RequestDispatcher object. I tried the following example. Its working fine.
check this code:
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.GenericServlet;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
* @author sivakumar
public class TestServlet extends GenericServlet {
      public void service(ServletRequest request,ServletResponse response)throws ServletException,IOException{
               PrintWriter out=response.getWriter();
               response.setContentType("text/html");
               out.println("Hi this is first servlet");
               RequestDispatcher requestDispatcher=getServletContext().getRequestDispatcher("/test.jsp");
               requestDispatcher.forward(request,response);
}test.jsp shows images also.
try it...
good luck...

JSP forwarding between WML pages

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