kafka无法消费消息 when sending message to topic

^C[[email protected] kafka_2.11-0.11.0.0]$ bin/kafka-console-produ.sh --broker-list hadoop103:9092 --topic k1
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[2018-12-12 10:42:17,674] ERROR Error when sending message to topic k1 with key: null, value: 6 bytes with error: (org.apache.kafka.clients.producer.internals.ErrorLoggingCallback)
org.apache.kafka.common.errors.TimeoutException: Expiring 1 record(s) for k1-1: 1547 ms has passed since batch creation plus linger time

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