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David,

On 11/25/13, 10:27 AM, David Balažic wrote:
> Hi!
> 
> Considering that JSP pages are by definition dynamic (different on 
> each GET), why doesn't Tomcat set the HTTP headers in the line of
> "do not cache this, it's dynamic!" by default for all generated
> HTML (*.jsp files and servlet responses)?

What about JSPs that produce (relatively) static stuff? Would you want
Tomcat to tell the client to re-fetch that data every time? (Then we'd
get questions about why Tomcat was doing that, of course.)

It's trivial for you to add such headers yourself, and this is a
decision best made by application authors and not the container. So,
go ahead and exercise your right to determine how your own web
application behaves and set those headers yourself. Don't want to edit
all your JSPs? How about slapping a Filter in front of them instead?

- -chris
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