root@gaokaoli:/opt/module/kafka# bin/kafka-topics.sh --bootstrap-server manongkafka:9092 --topic first --create --partitions 1 --replication-factor 1Error while executing topic command : Call(callName=createTopics, deadlineMs=1661327042970, tries=1, nextAllowedTryMs=1661327043114) timed out at 1661327043014 after 1 attempt(s) [2022-08-24 15:44:03,018] ERROR org.apache.kafka.common.errors.TimeoutException: Call(callName=createTopics, deadlineMs=1661327042970, tries=1, nextAllowedTryMs=1661327043114) timed out at 1661327043014 after 1 attempt(s) Caused by: org.apache.kafka.common.errors.DisconnectException: Cancelled createTopics request with correlation id 3 due to node 0 being disconnected (kafka.admin.TopicCommand$)