Webapp - where to store user files?

Hi All,
My app is packaged in a WAR file, which gets expanded by servlet container during deployment.
The app operates with folders containing user data (files uploaded by users, email templates, etc).
Where should I create these user data folders - inside the webapp directory structure or outside?
If outside - will I be able to access them from my servlet?
If inside - how do I protect these folders from overwriting when a new WAR version is expanded?
What is the best practice in this case?
Maybe it's a trivial question, but I coudln't find a definite answer... I would really appreciate some help!

There are a number of solution to your problem:
1. if you wish to deploy your app using a war file then you will have to package your user data
everytime you make a new deployment (which resides in your development directory), and if that user date changes then you will have to maintain that change (i.e. in the development and deployment directories)
so that in your next deployment you don't loose any changes.
2. If you don't want to maintain changes to your user data in two places, then a simple way is not to deploy
using a war file. Keep your user data in one place (within your web-app deployment directory), and simply place any changes (html, jsp, and servlet classes) to your application to the appropriate place.
3. If none of the above approach is suitable then think about maintaing these user data in a database and
thus be done away with problems relating to directories and files.
Hi All,
My app is packaged in a WAR file, which gets expanded
by servlet container during deployment.
The app operates with folders containing user data
(files uploaded by users, email templates, etc).
Where should I create these user data folders - inside
the webapp directory structure or outside?
If outside - will I be able to access them from my
servlet?
If inside - how do I protect these folders from
overwriting when a new WAR version is expanded?
What is the best practice in this case?
Maybe it's a trivial question, but I coudln't find a
definite answer... I would really appreciate some
help!

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