On 11.03.2021 12:23, Rony G. Flatscher (Apache) wrote: > On 11.03.2021 11:53, Mark Thomas wrote: >> On 10/03/2021 15:14, Rony G. Flatscher (Apache) wrote: >>> Is there a way to know/infer that a JSP got freshly compiled from e.g. a >>> taglib library? >>> >>> For caching purposes it would be necessary to learn whether a JSP got >>> recompiled as the cache should >>> be purged in that case. >>> >>> Is there a way to find out whether a JSP run is the very first after >>> (re-)compilation? >>> >>> Or can one rely that if a JSP gets recompiled that a new PageContext gets >>> created for it (or if >>> reused does not contain any custom attributes placed there earlier at the >>> PAGE_SCOPE)? >> Page scope gets reset at the end of a request so that won't work. >> >> It might not be perfect (containers are allowed to unload unused >> servlets/JSPs) but in you are >> using Tomcat and haven't configured maxLoadedJsps or jspIdleTimeout then you >> should be able to use >> the jspInit() method. (See JSP spec for details).
It seems that the implicit JSP "page" object can probably be used to determine whether a JSP got recompiled as its hashCode() changes after recompilation. ---rony --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
