Thanks for your help Warren.
I think I've made some progress on this problem, but I've encountered
another error. Here's where I am now...
I commented out all references to JK2 and downloaded
mod_jk-apache-2.0.55.so. I've set up mod_jk in apache's httpd.conf, and I am
now connecting to Tomcat successfully that way (example servlets have been
mapped successfully).
It looks like my original problem was caused by a simple mapping error. My
httpd.conf file now has a <Location> tag that forwards all requests for
'/servlet', as such
# Send servlet for context /servlet to 'worker1'
<Location /servlet/*>
JkMount worker1
</Location>
Under webapps, I've created a 'servlet' directory, and my
webapps/servlet/WEB-INF/web.xml file looks like this (note, I removed the
'/servlet' from the url-pattern, and this fixed my 'resource not found'
issue) -
<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE web-app
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd";>
<web-app>
<servlet>
<servlet-name>FLCUpEvDisplayServlet</servlet-name>
<servlet-class>FLCUpEvDisplayServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>FLCUpEvDisplayServlet</servlet-name>
<url-pattern>/FLCUpEvDisplayServlet</url-pattern>
</servlet-mapping>
</web-app>
So, I've made some progress (I think), but now I'm getting a new error -
2006-01-22 19:21:01 StandardWrapperValve[FLCUpEvDisplayServlet]: Allocate
exception for servlet FLCUpEvDisplayServlet
javax.servlet.ServletException: Wrapper cannot find servlet class
FLCUpEvDisplayServlet or a class it depends on
So.... did I hit my servlet, or did the classloader fail to locate it??
Thanks.
-----Original Message-----
From: Warren Pace [mailto:[EMAIL PROTECTED]
Sent: Saturday, January 21, 2006 9:34 AM
To: Tomcat Users List
Subject: Re: (newb) Tomcat servlet mapping problem
>
> From: "Darren Hall" <[EMAIL PROTECTED]>
> Date: 2006/01/20 Fri PM 02:28:22 EST
> To: <[email protected]>
> Subject: (newb) Tomcat servlet mapping problem
>
> I'm running Tomcat 5.0.30 and Apache 2.0 (both are running fine and
without
> errors).
>
> I've connected them using mod_jk2, and I can see that apache is correctly
> forwarding URLs specified in the workers2.properties file correctly.
>
>
> I am now attempting to map a test servlet called "SimpleServlet" to an
URL.
>
> I've deployed the servlet in the directory "SimpleServlet". In the
> webapps/SimpleServlet/WEB-INF directory I've added the following web.xml
> file:
>
>
>
> <?xml version="1.0" encoding="ISO-8859-1"?>
>
> <web-app xmlns="http://java.sun.com/xml/ns/j2ee";
>
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
>
> xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
> http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd";
>
> version="2.4">
>
>
>
> <servlet>
>
> <servlet-name>SimpleServlet</servlet-name>
>
> <servlet-class>us.souther.simple.SimpleServlet</servlet-class>
>
> </servlet>
>
>
> <servlet-mapping>
>
> <servlet-name>SimpleServlet</servlet-name>
>
> <url-pattern>/simple-servlet</url-pattern>
>
> </servlet-mapping>
>
>
>
> </web-app>
>
>
>
> In the ${catalina.home}/conf/Catalina/localhost directory, I've added the
> following SimpleServlet.xml file:
>
>
>
> <?xml version='1.0' encoding='utf-8'?>
>
> <!-- Make the servlet reloadable -->
>
> <Context path="/simple-servlet" docBase="SimpleServlet" reloadable="true"
> debug="99">
>
> <Logger className="org.apache.catalina.logger.FileLogger"
>
> directory="logs" prefix="simple." suffix=".log"
>
> timestamp="true"/>
>
> </Context>
>
>
>
> In the workers2.properties file (on the Apache side), I've added the
> following entry:
>
>
>
> [uri:localhost/simple-servlet/*]
>
> worker=ajp13:localhost:8009
>
> debug=99
>
>
>
> When I try to hit the URL http://localhost/simple-servlet I get back this
> response from Tomcat:
>
>
>
> HTTP Status 404 -/simple-servlet
>
> type Status report
>
> message /simple-servlet
>
> description The requested resource (/simple-servlet) is not available.
>
> Apache Tomcat / 5.0.30
>
>
>
> Can anyone please tell me why my servlet is not mapped to the URL
properly?
>
>
>
> Thanks.
>
>
>
> Darren
>
>
Darren,
I'm pretty new to this as well. Here are a couple of things I do know.
mod_jk2 is deprecated. That doesn't mean it won't work but all development
effort has been re-focusted to mod_jk. It's simple enough to download and
build.
1) Is your servlet in a package (us.souther.simple)? Did it compile
without error?
2) Generally the directory tree for servlets in packages =
WEB-INF/classes/us/souther/simple (which is where your web.xml is telling
tomcat to look for the class file).
3) Double-check the path entry in your context tag. I moved from tomcat 4
to tomcat 5.5, skipping the 5.0 releases so I can't provide any insight on
the context directives (in 5.5 you don't specify a context path). Just make
sure it's pointing tomcat to something real.
4) Some good resources are Jayson Falkner & Kevin Jones book "Servlets and
JSP The J2EE Web Tier", this mailing list, and Google.
Hope this helps.
Warren
>
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