All,
I'm a complete newbie to JSTL and I'm having trouble getting a simple
page to render. The page below gives me the error:
org.apache.jasper.JasperException: /tasks.jsp(18,6) According to TLD or
attribute directive in tag file, attribute items does not accept any
expressions
org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:40)
org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:407)
[...]
It seems to me that "items" had better be an expression.
I have a fresh install of Tomcat 6.0.26 running on Sun's 1.6.0-_20-b02
JVM on 32-bit Linux. I downloaded the JSTL "api" and "impl" packages
from https://jstl.dev.java.net/download.html and put the JAR files
directly into WEB-INF/lib.
<%@ page
pageEncoding="UTF-8"
import="lj.timesheet.Task"
%>
<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core"; %>
<html>
<head>
<title>My Tasks</title>
</head>
<body>
<h1>My Tasks</h1>
<table>
<tr>
<th>Description</th>
</tr>
<c:forEach var="task" items="${tasks}">
<tr>
<td><c:out value="${task.description}" /></td>
</tr>
</c:forEach>
</table>
</body>
</html>
I had this problem on my Linux desktop which I then rebooted back into
Windows to write this message. Just for kicks, I tossed this JSP onto my
dev server for work (and removed the reference to the Task class) and it
worked no problem.
The differences I can see between these environments are:
1. No "Task" import in the environment where it works
2. Direct call to the JSP in the environment where it works
(rather than calling a servlet which forwards to it)
3. Slightly different Java version (it's 1.6.0-12 in the
working environment)
4. Working environment is using CATALINA_BASE to run Tomcat from
a separate directory than the actual distro
Can anyone shed any light on this? I'm going to toss my entire WAR file
into the environment where it /is/ working to see if it's some
interaction problem.
Thanks,
-chris
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