* Al Maw:
> Hi folks,
> 
> See http://issues.apache.org/jira/browse/WICKET-750
> 
> I'm not sure whether we should be doing what Pierre suggests or not.
> 
> if (!Resource.isCacheable()) {
>     response.setHeader("Cache-Control", "no-cache, must-revalidate")
> }
> 
> ...does seem quite sensible. After all, if it's not cacheable, then you don't 
> want it cached. ;-)

And it appeared that this was not sufficient to fix the following
usecase (as Pierre told me):

* you have a page with a dynamic resource <img 
src="?wicket:interface:something">
* an ajax request changes the underlying image and the response
  outputs the <img> with the exact same URL: nothing happens even
  with cache headers like above

It seems like the real solution is to append &random=145 to the
URL.  This may depend on the browser, and it would be interesting
to have a quickstart.

Did you also experience this?
-- 
     Jean-Baptiste Quenot
aka  John Banana   Qwerty
http://caraldi.com/jbq/

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