Mark,
The servlet tag is used to assign a name to a particular servlet class
file.
<servlet>
<servlet-name>myservlet</servlet-name>
<servlet-class>myservlet</servlet-class>
</servlet>
This would attempt to assign the name 'myservlet' to the class
'myservlet.class.'
The servlet-mapping tag defines the pattern or 'location' of a named
servlet from the root of your context. This means that ....
<servlet-mapping>
<servlet-name>myservlet</servlet-name>
<url-pattern>/classes</url-pattern>
</servlet-mapping>
if this were the ROOT context, this would map your servlet at /classes
and your form action would need to be defined as
<FORM ACTION="/classes" method="POST">
A more common mapping for servlets is
<servlet-mapping>
<servlet-name>myservlet</servlet-name>
<url-pattern>/servlet/myservlet</url-pattern>
</servlet-mapping>
which would have a coresponding form tag of
<FORM ACTION="/servlet/myservlet" method="POST">
~Scott
Mark wrote:
>I installed Tomcat 4.0.1 under Win 2k using JDK 1.3 and able to run the
>example servlets, but not my own. My html displays and I can execute my
>JSPs, but a POST to a servlet does not work (this app has run under Forte
>and VA Java in the past). I get a 404 error with "the requested resource
>(/myservlet) is not available". Since the examples work, I have to assume
>it's something in my configuration. Any help figuring out why the servlet
>won't run would be *greatly* appreciated. I suspect it's something
>simple/braindead on my part.
>
>
>o My directory structure for the app:
> TomcatHome
> |
> +--webapps
> |
> +--myapp\.jsp, .html .gif
> |
> +--WEB-INF\web.xml
> |
> +--classes\.class files
>
>
>o My html POST stmt. I've tried various path prefixes to myservlet, eg
> "classes/myservlet". As with the Tomcat examples, this servlet has no
> package:
>
> <FORM ACTION="/myservlet" method="POST">
>
>
>o My web.xml - I know Tomcat's seeing/parsing this because if I deliberately
> make a typo I get an error upon startup:
>
> <?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>
> <!-- Define servlets that are included in the application -->
> <servlet>
> <servlet-name>myservlet</servlet-name>
> <servlet-class>myservlet</servlet-class>
> </servlet>
> <servlet-mapping>
> <servlet-name>myservlet</servlet-name>
> <url-pattern>/classes</url-pattern>
> </servlet-mapping>
> </web-app>
>
>
>o Update to server.xml
>
> <Context path="/myapp" docBase="myapp" debug="0">
> <Logger className="org.apache.catalina.logger.FileLogger"
> prefix="myapp_log." suffix=".txt"
> timestamp="true"/>
> </Context>
>
>
>
>
>
>
>
>
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