pre load Webapp before deploying to tomcat

[ml...@planwerk6.de]

Hi,

i have a rather large webapp with spring and hibernate which takes some time 
to startup (30 seconds)

when i redeploy this webapp the application is not available for 30 seconds 
until everything is loaded.

I looked at "hot deployment" but this is only about not restarting tomcat, but 
tomcat still does:
1. undeploy
2. deploy

so i still have 30 seconds of unavailability. (thats not what i call "hot" 
deployment)

is it possible to "load" a webapp in a different Context and "move" it 
afterwards to the running context?

Say i have my running webapp version 1 in context "/production". no i deploy 
my new webapp version 2 in context "/upgrade" and everything gets initalized. 
i even can check my new version running. after this i would like to just 
move "/upgrade" to "/production"

Is it possible?
 
kind regards,
janning


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