My only guess is packageless classes are not officially supported.
Reality is packageless classes sometime work and sometimes not. If it
were in a package, it */might/* work.
--David
Steve Willett (Initiative Computing) wrote:
Thanks, David, that seems to have got it.
Any idea why the default "Hello World (down one)" example is not working?
Steve
-----Original Message-----
From: David Smith [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 24, 2006 10:59 AM
To: Tomcat Users List
Subject: Re: Apache 5.5 HelloWorldExample 404 error
We have a winner. Take a look at
http://faq.javaranch.com/view?InvokerServlet.
The form tag should be:
<form action="servlet/elsewise.ui.user.LoginServlet" method=POST>
If the package of LoginServlet.class is elsewise.ui.user.
--David
Steve Willett (Initiative Computing) wrote:
Thanks again, David.
Since I restarted, the localhost log has:
Aug 24, 2006 9:31:17 AM org.apache.catalina.core.ApplicationContext
log
SEVERE: Error loading WebappClassLoader
delegate: false
repositories:
/WEB-INF/classes/
----------> Parent Classloader:
[EMAIL PROTECTED]
ui
java.lang.ClassNotFoundException: ui
...
Aug 24, 2006 9:31:17 AM org.apache.catalina.core.ApplicationContext
log
SEVERE: invoker: Cannot allocate servlet instance for path
/elsewise/servlet/ui/user/LoginServlet
javax.servlet.ServletException: Wrapper cannot find servlet class ui
or a class it depends on
...
And
Aug 24, 2006 9:32:00 AM org.apache.catalina.core.ApplicationContext
log
SEVERE: Error loading WebappClassLoader
delegate: false
repositories:
/WEB-INF/classes/
----------> Parent Classloader:
[EMAIL PROTECTED]
elsewise
java.lang.ClassNotFoundException: elsewise
...
Aug 24, 2006 9:32:00 AM org.apache.catalina.core.ApplicationContext
log
SEVERE: invoker: Cannot allocate servlet instance for path
/elsewise/servlet/elsewise/ui/user/LoginServlet
javax.servlet.ServletException: Wrapper cannot find servlet class
elsewise or a class it depends on
...
However, I shut Tomcat down again, restarted it, and tried to access
the "Hello World (down one)" Servlet Example from the default Tomcat home
page.
I got no error messages in the log, even though it still gives me the
404, not found error.
So I guess these two 404 errors are from a different cause?
Steve
-----Original Message-----
From: David Smith [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 24, 2006 10:03 AM
To: Tomcat Users List
Subject: Re: Apache 5.5 HelloWorldExample 404 error
Ok.
Have you taken a look at the logs generated by tomcat from startup
through the request? May have some insight as to what's happening (or
not happening).
--David
Steve Willett (Initiative Computing) wrote:
David, thanks for your quick response to my post!
My reading of the dire warnings about enabling the invoker servlet
lead me to believe that I should not do so in a production environment.
However, this is a development environment, and I don't want to have
to modify a web.xml file every time I create a new Servlet class. Am
I reading this wrong?
As to the problem - my servlet was in package "elsewise.ui.user" (not
"ui.user") and my class file was in the directory you specified.
I just tried moving the class tree down one level:
webapps/elsewise/WEB-INF/classes/elsewise/ui/user/LoginServlet.class
and changed the form tag to:
<form action="servlet/elsewise/ui/user/LoginServlet" method=POST>
I got a similar error:
The requested resource
(/elsewise/servlet/elsewise/ui/user/LoginServlet) is not available.
In my original post I pointed out that I was having a similar problem
with the default Tomcat home page "Hello World" example. Since I did
not change the location of these files from the original installation,
I assume there is a configuration error. If I get that working, I can
compare my attempts to set up my own application to that example.
Any thoughts?
Steve
-----Original Message-----
From: David Smith [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 24, 2006 4:24 AM
To: Tomcat Users List
Subject: Re: Apache 5.5 HelloWorldExample 404 error
I won't comment (too much) on the implications of enabling the invoker
servlet. I just hope you read the dire warnings before doing that.
On the problem itself --
Did you declare your servlet of package ui.user and place the compiled
.class file in webapps/elsewise/WEB-INF/classes/ui/user? Did you also
restart tomcat after enabling the invoker and your webapp after
placing the class file where it belongs?
Just covering the usual suspects here.
--David
Steve Willett (Initiative Computing) wrote:
I have installed Apache.5.5.17 on my Windows XP development box
(steve.elsewise.net) to work on a web-app, but I cannot get the
webapp to find the servlet files. When I try, with a jsp link:
<form action="servlet/ui/user/LoginServlet" method=POST>
I get the following error:
HTTP Status 404 - /elsewise/servlet/ui/user/LoginServlet
type Status report
message /elsewise/servlet/ui/user/LoginServlet
description The requested resource
(/elsewise/servlet/ui/user/LoginServlet) is not available.
Apache Tomcat/5.5.17
With the following URL displayed in the address window:
http://steve.elsewise.net/elsewise/servlet/ui/user/LoginServlet
When I go to the Apache default page on this machine
(http://steve.elsewise.net/), it comes up fine. When I go to the
Servlet Examples, the page comes up and the "Hello World" example
works, but the "Hello World (down one)" example gives me a similar error:
HTTP Status 404 - /servlets-examples/world/servlet/HelloWorldExample
type Status report
message /servlets-examples/world/servlet/HelloWorldExample
description The requested resource
(/servlets-examples/world/servlet/HelloWorldExample) is not available.
Apache Tomcat/5.5.17
I am assuming I have some problem with my configuration files. I
have uncommented the "invoker" servlet and servlet-mapping tags in my
default web.xml file.
Any suggestions?
Steve Willett
Initiative Computing
510 654-7818
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