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Posted to users@tomcat.apache.org by Erik Earle <er...@hotmail.com> on 2004/07/13 21:13:12 UTC
RE: Is there such a beast ? (virtual directories)
This goes against the grain of the servlet spec. Generally, images would be
something tied to a web application and would therefore be contained within
the application war file (or directory) so that the webapp would be deployed
as a single unit.
...but I'm not a puriest so have at it :P
One option is to use a servlet that serves static files from directories and
map that servlet in your web application's web.xml. This is nowhere near as
robust or secure as putting httpd infront of your servlet containers. Again
since this _could_ point outside the application directory it's a poor
solution.
Otherwise (as in Carl's suggestion): You can "overlap" URI mappings to
contexts.
So you can map:
/app1 -> fooApplication.war
/app1/images -> /usr/home/tomcat/images
as long as your images directory is a deployable web application.
----Original Message Follows----
From: "Mike Curwen" <g_...@globallyboundless.com>
Reply-To: "Tomcat Users List" <to...@jakarta.apache.org>
To: <to...@jakarta.apache.org>
Subject: Is there such a beast ? (virtual directories)
Date: Tue, 13 Jul 2004 10:12:56 -0500
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Hello all,
I had a friend ask me on the phone a couple days ago, and now a question
has popped up at javaranch. I've looked in the docs and googled, but
haven't found a definitive 'no' answer (shouldn't life be that simple?).
Thought I'd ask here.
Is there such a thing as directory aliasing / virtual directories (like
you get in Apache), available in Tomcat?
so you'd specify that /images is *really* over here at
/usr/local/some/funky/place/images
I like to tell people they don't need Apache, unless they're doing
"special" stuff. Would this be one of those "special" things ?
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RE: Is there such a beast ? (virtual directories)
Posted by Justin Ruthenbeck <ju...@nextengine.com>.
At 12:13 PM 7/13/2004, you wrote:
>One option is to use a servlet that serves static files from directories
>and map that servlet in your web application's web.xml. This is nowhere
>near as robust or secure as putting httpd infront of your servlet
>containers. Again since this _could_ point outside the application
>directory it's a poor solution.
This approach is what we've done to use shared resources (static content)
amongst multiple apps. In some deployment environments, running Apache
in front of Tomcat is a no-go for our customers, so implementing this way
allows us to *optionally* use Apache:
If Apache present, image is at http://www.site.com/images/a.gif
and physically at /.../images/a.gif
If Apache is not present, image is at
http://www.site.com/webAppA/static?a.gif
and physically at /.../images/a.gif
Point being, implementing the serving as a separate servlet can give you
additional flexibility at deployment time. The assertion that this
diminishes robustness and/or security must be taken in context -- in many
situations, this can be preferable to running with Apache in front. As
always, YMMV.
justin
>Otherwise (as in Carl's suggestion): You can "overlap" URI mappings to
>contexts.
>
>So you can map:
>
>/app1 -> fooApplication.war
>/app1/images -> /usr/home/tomcat/images
>
>as long as your images directory is a deployable web application.
>
>
>----Original Message Follows----
>From: "Mike Curwen" <g_...@globallyboundless.com>
>Reply-To: "Tomcat Users List" <to...@jakarta.apache.org>
>To: <to...@jakarta.apache.org>
>Subject: Is there such a beast ? (virtual directories)
>Date: Tue, 13 Jul 2004 10:12:56 -0500
>
>Hello all,
>
>I had a friend ask me on the phone a couple days ago, and now a question
>has popped up at javaranch. I've looked in the docs and googled, but
>haven't found a definitive 'no' answer (shouldn't life be that simple?).
>Thought I'd ask here.
>
>Is there such a thing as directory aliasing / virtual directories (like
>you get in Apache), available in Tomcat?
>
>so you'd specify that /images is *really* over here at
>/usr/local/some/funky/place/images
>
>I like to tell people they don't need Apache, unless they're doing
>"special" stuff. Would this be one of those "special" things ?
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