WIP: vertx http.route issue

Author: smola

dd-java-agent/instrumentation/vertx-web-3.4/src/main/java/datadog/trace/instrumentation/vertx_3_4/server/EndHandlerWrapper.java

@@ -24,15 +24,16 @@ public void handle(final Void event) {
     AgentSpan span = routingContext.get(HANDLER_SPAN_CONTEXT_KEY);
     AgentSpan parentSpan = routingContext.get(PARENT_SPAN_CONTEXT_KEY);
     String path = routingContext.get(ROUTE_CONTEXT_KEY);
+    if (path != null && parentSpan != null) {
+      // XXX: Calling this early so that http.route is seen by beforeFinish hooks.
+      HTTP_RESOURCE_DECORATOR.withRoute(
+          parentSpan, routingContext.request().rawMethod(), path, true);
+    }
     try {
       if (actual != null) {
         actual.handle(event);
       }
     } finally {
-      if (path != null && parentSpan != null) {
-        HTTP_RESOURCE_DECORATOR.withRoute(
-            parentSpan, routingContext.request().rawMethod(), path, true);
-      }
       if (span != null) {
         DECORATE.onResponse(span, routingContext.response());
         span.finish();