Prevent Tomcat6 from caching for an application

I have an application running in a Tomcat6. Can I prevent Tomcat from caching for this application by setting in the web.xml? if yes, how?

Th开发者_运维知识库anks, M

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You can do it for all applications in the context.xml:

http://daveharris.wordpress.com/2007/07/09/how-to-configure-cache-control-in-tomcat/

I don't know how to do it just for one application.