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Running JSP in Tomcat 5.5

Mary Gates

Joined: Mar 20, 2005
Posts: 7
Hello, I just installed the latest tomcat version and I am able to run all the examples in Tomcat.
I created a jsp page for my own called MYHELLO.jsp as the following and copy it to C:\Program Files\Apache Software Foundation\Tomcat 5.5\webapps
and I got an error of The requested resource (/MYHELLO.jsp) is not available. Please help.


<%@ page contentType="text/html" %>
<%@ taglib prefix="c" uri="" %>
<title> HEllo </title>
<body bgcolor="RED">
1+2+3=<C UT VALUE="${1+2+3}"/>
[ March 20, 2005: Message edited by: Bear Bibeault ]
Bear Bibeault
Author and ninkuma

Joined: Jan 10, 2002
Posts: 62291

Moved to the Tomcat forum.

[Asking smart questions] [Bear's FrontMan] [About Bear] [Books by Bear]
David Ulicny
Ranch Hand

Joined: Aug 04, 2004
Posts: 724
You must create WAR file and your JSP file must be a part of it. Use ANT or your IDE for creating the WAR file.

SCJP<br />SCWCD <br />ICSD(286)<br />MCP 70-216
William Brogden
Author and all-around good cowpoke

Joined: Mar 22, 2000
Posts: 12912
No you don't HAVE to creat a WAR file - for just experimenting, all you have to do is put the JSP in a web application directory that knows how to run JSP.

IS NOT a web application directory - webapps\ROOT is the default web application directory. It already has a WEB-INF, etc -
Md Fizal
Ranch Hand

Joined: Dec 23, 2002
Posts: 61
I'm having a similar issue wtih Tomcat 5.0.27 compiling JSPs. I have my JSPs under a different directory and pointing the docBase tag in fragment context xml to this directory.

My current running application on Tomcat 4 uses JSP 1.1 version. Looks like Tomcat 5 is not compiling my useBean tags and custom tag libs properly. Any idea if any refactoring of the JSP code is required to migrate to JSP 2 version?

Following is the error I get
Ben Souther

Joined: Dec 11, 2004
Posts: 13410

TC four was more forgiving if you try to use a non-bean tag with the useBean tag.

A Boolean is not a bean.
Try using "type=.." in your useBean tags instead of "class=".
Better yet, only use classes that comply with the definition of a javabean with jsp:useBean.

Java API J2EE API Servlet Spec JSP Spec How to ask a question... Simple Servlet Examples jsonf
Md Fizal
Ranch Hand

Joined: Dec 23, 2002
Posts: 61
Thanks a lot. Problem with useBean is solved now. But, JSP custom tags are still giving me hard time. I have a tag with zero parameters like this:

When I saw the source Tomcat 4 & 5 generated I saw the following difference.

In tomcat 4 :
In tomcat 5:

Can anyone help me why it's different?

Here is the error message I get:
Md Fizal
Ranch Hand

Joined: Dec 23, 2002
Posts: 61
I found the problem. The problem was with Tomcat 5 tag pooling feature which will be turned on by default, because of which custom tag library tags are parsed in a different order than regular.

In order to turn off tag pooling in Tomcat 5, add the following in $CATALINA_HOME/conf/web.xml, locate the
servlet, and add:

[ March 25, 2005: Message edited by: Md Fizal ]
I agree. Here's the link:
subject: Running JSP in Tomcat 5.5