ontroller id=1, targetBrokerId=1] Connection to node 1 (/10.10.14.220:9092) could not be established. Broker may not be available. (org.apache.kafka.clients.NetworkClient)
[2019-05-31 09:16:06,308] WARN [Controller id=1, targetBrokerId=1] Connection to node 1 (/10.10.14.220:9092) could not be established. Broker may not be available. (org.apache.kafka.clients.NetworkClient)
[2019-05-31 09:16:06,409] WARN [Controller id=1, targetBrokerId=1] Connection to node 1 (/10.10.14.220:9092) could not be established. Broker may not be available. (org.apache.kafka.clients.NetworkClient)
[2019-05-31 09:16:06,510] WARN [Controller id=1, targetBrokerId=1] Connection to node 1 (/10.10.14.220:9092) could not be established. Broker may not be available. (org.apache.kafka.clients.NetworkClient)
[2019-05-31 09:16:06,612] WARN [Controller id=1, targetBrokerId=1] Connection to node 1 (/10.10.14.220:9092) could not be established. Broker may not be available. (org.apache.kafka.clients.NetworkClient)


解决方式：

将启动命令中的KAFKA_ADVERTISED_LISTENERS=PLAINTEXT值修改为localhost如下：

-e KAFKA_ADVERTISED_LISTENERS=PLAINTEXT://localhost:9092

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