How to make License for war file

[kotesh]

I want to give my war file to customer to setup their server.
but i want to make my war file license one so that they should be able to deploy only in one server.
any suggestion..? how to do it.

[Rod Johnson]

Unusual licensing strategy. Limited concurrent users is commoner.

Spring doesn't offer you services to do this. You would need to do something server-specific, accessing shared (per-server) state somehow. Maybe make a JNDI binding across the server and check that it hadn't been made by a previous instance.