Referencing Environment Variables in web.xml

Question

I\'m pre-packaging a JSP web-app that relies on some file path settings found within web.xml. These settings are unknown at packaging time, because they reference a path the

Answer 1

I'm not totally clear on your limitations, but just maybe you can do this (I'm assuming that it's an init-param you're trying to configure):

1) Leave the variable unspecified in web.xml
2) Create a ServletContextListener and add that to your application
3) Listen for the initialization of your servlet
4) Set the init-param for the servlet at that point

I tried this with a similar problem, but it failed for me because it turned out that the 3rd party servlet (which I also didn't want to mess with) wasn't actually behaving as a servlet at all, so the context never got initialized. But maybe it has a chance here...