Fix NPE in MetricsRequestEventListener when @PreMatching ContainerRequestFilter throws exception#159

Open

fabiohecht wants to merge 1 commit intoconfluentinc:masterfrom

fabiohecht:fix-NPE-throwing-from-prematching

Commits on Nov 12, 2019

Initialize started and wrappedRequestStream even without RequestEvent.Type.MATCHING_START being triggered (happens when exception thrown from PreMatching request filter).
Fabio Hecht, INI-DNA-DL
committed