Thanks for your reply Scott, and thanks to your and Micael's responses I
_believe_ I understand the relationship between the servlet naming/mapping
and the associated html. As Micael noted, one could put "pudding" in the
url-pattern as long as the html was setup as ACTION="pudding". But... how
do the example servlets work when they don't seem to have any servlet
mapping in the ..\examples\WEB-INF\web.xml?
Even after all the advice, I *STILL* can't get my app to run - I still get
a 404 error on the servlet. This seems like such a simple issue but I can
NOT get past it. I've even gone as far as downloading Tomcat 3.3, with the
same result. Again, I know Tomcat is parsing my web.xml, because if I
intentionally make a typo, the parser complains when Tomcat is started.
To recap where I am:
(a) I have myservlet.class in the
$CATALINA_HOME\webapps\myapp\WEB-INF\classes
directory. The servlet has no associated package.
(b) The html is <FORM ACTION="/servlet/myservlet" method="POST">
(c) My $CATALINA_HOME\webapps\myapp\WEB-INF\web.xml is as follows:
<?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>myservlet</servlet-name>
<servlet-class>myservlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>myservlet</servlet-name>
<url-pattern>/servlet/myservlet</url-pattern>
</servlet-mapping>
</web-app>
Am I still missing something? This is driving me berserk...
TIA. Mark.
At 12:22 AM 11/22/2001 -0500, you wrote:
>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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>>
>>
>
>
>
>
>
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