本地连接Kafka提示连接被拒绝，解决办法

本地连接Kafka提示连接被拒绝，报错信息如下。

:30:34.701 [main] DEBUG org.apache.kafka.clients.producer.KafkaProducer - Exception occurred during message send:

org.apache.kafka.common.errors.TimeoutException: Failed to update metadata after 60000 ms.

13:30:35.480 [kafka-producer-network-thread | producer-1] DEBUG org.apache.kafka.common.network.Selector - Connection with /47.95.236.75 disconnected

java.net.ConnectException: Connection refused: no further information

    at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)

    at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)

    at org.apache.kafka.common.network.PlaintextTransportLayer.finishConnect(PlaintextTransportLayer.java:51)

    at org.apache.kafka.common.network.KafkaChannel.finishConnect(KafkaChannel.java:73)

    at org.apache.kafka.common.network.Selector.pollSelectionKeys(Selector.java:323)

    at org.apache.kafka.common.network.Selector.poll(Selector.java:291)

    at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:260)

    at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:236)

    at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:135)

    at java.lang.Thread.run(Thread.java:748)

去服务器，修改config/server.properties配置文件，更改如下

把31行的注释去掉，listeners=PLAINTEXT://:9092

把36行的注释去掉，把advertised.listeners值改为PLAINTEXT://host_ip:9092（我的服务器ip是47.75.236.75）

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原文链接：https://blog.csdn.net/baijunzhijiang_01/article/details/82382238