Disable Dispatcher Cache for specific Pages

In order to disable caching in the dispatcher, add the header "Dispatcher: no-cache", i.e. in your JSP:

<%
  response.setHeader("Dispatcher", "no-cache");
%>

Note: This feature is only available in Dispatcher release 4.0.0 (and higher)

References:

https://helpx.adobe.com/uk/experience-manager/kb/DispatcherNoCache.html