Is it bad practice to include properties/configuaration files within jars?

Question

For example:

MyApp is a web app that contains a properties file (server.properties) that describes config data (e.g. server names) for the app. In the development phase

Answer 1

I develop J2EE applications using Spring. I was running around the same problem quite a long time and then found a solution. My problem was to specify the database properties in a properties file outside the war file that I deploy. The solution I found to this is to use the PropertyPlaceholderConfigurer and specify the location property to locate your system location as this,

This was quite simple and it worked just fine !