void completeWithException(Logger log, Throwable t) {
            try {
                event.handleException(t);
            } catch (Exception e) {
                log.error("Unexpected exception in handleException", e);
            }
        }
Complete the event associated with this EventContext with the specified
exception.
server-common/src/main/java/org/apache/kafka/queue/KafkaEventQueue.java