CompletableFuture.allOf(f1, f2).whenCompleteAsync((aVoid, throwable) -> { resultHandler.onComplete(f1.join() + ", and " + f2.join()); }, RequestContext.current().contextAwareExecutor()); })));
CompletableFuture.allOf(f1, f2).whenCompleteAsync((aVoid, throwable) -> { resultHandler.onComplete(f1.join() + ", and " + f2.join()); }, RequestContext.current().contextAwareExecutor()); })));