Royally stumped with jstl <c:if test of request.method

Apr 03, 2009 07:57:45

I am using eclipse to build jsp pages that run on weblogic 9. The problem I am having is that code that works in all my other pages seems to be failing for my login.jsp page.

If I use in my <body>:

it complains that POST is an invalid character constant. It then also whines about the LoginContext loginContext line saying there is a javax.servlet.ServletException as well. If I change the double equal sign (==) in the <c:if test line to a single equal sign (=) sign, the errors go away, but of course that is wrong. I tried cutting and pasting the lines into a file, removing login.jsp and then putting back in the lines, but that did not help. I stripped down the file so that all it had in the body was this ><c:if stuff as well, and that did not help. I am baffled as this stuff works fine in my other jsp pages. I have even commented out all the java code in the ><c:if line and removed all imports that are at the top for it as well with no luck. I am hoping this is just something stupid on my part, and your help would be greatly appreciated.

Here is the full page code as it stands now:

><%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page import="javax.security.auth.login.*" %>
<%@ page import="examples.common.utils.*" %>
<%@ page import="examples.security.jaas.*" %>
<jsp:useBean id="flower" class="com.gas.flower.des.flower" scope="session" />
<jsp:setProperty name="flower" property="*" />
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Empower Login Page</title>
<link rel="stylesheet" href="/flower/flower.css" type="text/css" media="screen" />
<link rel="stylesheet" href="/flower/menuh.css" type="text/css" media="screen" />
<script src="/flower/flower.js"> </script>
<script src="/flower/libXmlRequest.js"> </script>

<script type="text/javascript">
window.onload = function(){
setFocus('wluserName');
}
</script>
<script type="text/javascript">
function checkform()
{
if (document.LF.wluserName.value == '') {
alert("Login is missing");
return false;
}
if (document.LF.wlpassWD.value == '' ||
document.LF.wlpassWDValidate.value == '' ||
document.LF.wlpassWD.value != document.LF.wlpassWDValidate.value) {
alert("Passwords did not match");
setFocus('wlpassWD');
return false;
}
return true;
}
</script>
</head>
<body>
<div id="content">
<h1>Login into Flower</h1>
<div id="menuh-container">
<div id="menuh">
<ul>
<li><a href="/flower/index.jsp">Home</a></li>
</ul>
<ul>
<li><a href="#" class="top_parent">DataSource</a>
<ul>
<li><a href="/flower/admin/deleteDataSource.jsp">Delete</a></li>
<li><a href="/flower/weblogic/listDataSource.jsp">List</a></li>
</ul>
</li>
</ul>
<ul>
<li><a href="/flower/weblogic/help.jsp">Help</a></li>
</ul>
</div>
</div>
<c:if test="${pageContext.request.method=='POST'}">
<%
LoginContext loginContext = null;
String username = request.getParameter("wluserName");
String password = request.getParameter("wlpassWD");
String url = "t3://localhost:7001";
// Create LoginContext; specify username/password login module
try {
loginContext = new LoginContext("Sample",new SampleCallbackHandler(username, password, url));
loginContext.login();
} catch(Exception e) {
System.out.println("Login authentication failed");
} finally {
System.out.println("Login was successful");
}
%>
</c:if>
<form class="cssform" NAME="LF" ACTION="" METHOD="POST" onSubmit="return checkform();">
<p><label for="wluserName">Login</label>
<input class="nb" type="text" size="25" name="wluserName" value="" />
</p>
<p><label for="wlpassWD">Password</label>
<input class="nb" type="password" size="25" name="wlpassWD" value="" />
</p>
<p><label for="wlpassWDValidate">Confirm Password</label>
<input class="nb" type="password" size="25" name="wlpassWDValidate" value="" />
</p>
<br>
<INPUT class="blue" TYPE="submit" NAME="Submit" VALUE="LOGIN">
</form>
</div>
</body>
</html>

Apr 03, 2009 08:01:51

I see thet extra great than sign (>) on the first line, but I do not see that in eclipse. I don't think it is in my login.jsp. It must have gotten in during pasting the code there I suspect.

Apr 03, 2009 08:20:54

It gets weirder. If I put

anywhere in the <form> block the error goes away. Yes, I had to add at the top

What is going on?

Apr 03, 2009 08:24:42

Firstly, I'd string recommend strongly against mixing JSTL/EL and scriptlets on a JSP page, use scriptlets or use JSTL, not both. They were never meant to co-exist. Though I'm not thinking that's part of the issue.

Just for giggles, have you tried to see what happens if you use eq in place of == ?

P.S. You can edit your post to remove the extraneous character.

Apr 03, 2009 08:41:52

eclipse did not show errors, but I ended up having to provide an empty stylesheet for the transform command:

Apr 03, 2009 09:07:51

I used eq instead of == after commenting out transform/xml stuff and I get the same error.

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