including bin/catalina-tasks.xml as a means to define the jasper2 task fails unless you manually include ${catalina.home}/common/lib/jsp-api.jar and "${catalina.home}/common/lib/commons-el.jar" (if you are using expression language in your JSPs).
Created attachment 19472 [details] adds jars needed for jasper2 target (previously missing) diff -U 3 old new
Good catch, patch applied -- thank you.