Charlie C.L. King wrote:
you *MUST* use real files in <welcome-file> instead of a mapped path.
Actually this is not true.
In the <welcome-file-list> you specify only partial URIs in the
<welcome-file> Elements.
If the Container encounters a request, which does not map to a
<servlet-mapping> in the DD, it appends each <welcome-file> in the order
appearing in the list to this partial request and looks, if there is a
static file OR a <servlet-mapping> which matches the modified request.
If yes, then this request will be processed. Therefore the first
matching <welcome-file> wins. If no <welcome-file> matches, the
container may show a directory listing or 404. Welcome files may not
contain leading or trailing slashes.
working example:
<servlet>
<servlet-name>Home</servlet-name>
<servlet-class>my.servlet.Home</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>Home</servlet-name>
<url-pattern>/home</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>home</welcome-file>
</welcome-file-list>
If a request comes to http://example.com/mywebapp/ , the container
appends "home" to the partial request "/" and matches "/home". The
my.servlet.Home gets the request.
See servlet Spec SRV 9.10 for more details.
Peter Menzel
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