how to refuse to start a context?

[Mohun Biswas]

My Servlet 2.3 webapp has a ServletContextListener which does some initial 
setup for my database (connection pools, etc). Having established a 
connection, I now want it to ask the database which version of the schema 
it's running and compare that to the version of the webapp itself (stored 
as a context init parameter). The idea is to refuse to run unless the 
server and database versions match. This part is easy. The problem is that 
I can't return an error condition since contextInitialized() returns void, 
and I can't throw a checked exception because the interface isn't declared 
to do so ... am I missing something? How can I shut down, presumably with 
some sensible message to the log file, on such a mismatch?

Thanks,
MB
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