private void completeExceptionally(Map<K, Throwable> errors) {
        if (!errors.isEmpty()) {
            future.completeExceptionally(errors);
            clear(errors.keySet());
        }
    }
Complete the future associated with the given key exceptionally. After is called,
the key will be taken out of both the Lookup and Fulfillment stages so that request
are not retried.
clients/src/main/java/org/apache/kafka/clients/admin/internals/AdminApiDriver.java