java.net.ConnectException: Connection refused

来源：4-4 AdminClient客户端建立

想不出来叫什么

2023-03-09

按照教程里的代码运行，报错：

java.net.ConnectException: Connection refused
	at java.base/sun.nio.ch.Net.pollConnect(Native Method)
	at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:672)
	at java.base/sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:973)
	at org.apache.kafka.common.network.PlaintextTransportLayer.finishConnect(PlaintextTransportLayer.java:50)
	at org.apache.kafka.common.network.KafkaChannel.finishConnect(KafkaChannel.java:216)
	at org.apache.kafka.common.network.Selector.pollSelectionKeys(Selector.java:531)
	at org.apache.kafka.common.network.Selector.poll(Selector.java:483)
	at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:540)
	at org.apache.kafka.clients.admin.KafkaAdminClient$AdminClientRunnable.run(KafkaAdminClient.java:1196)
	at java.base/java.lang.Thread.run(Thread.java:1589)
20:12:52.487 [kafka-admin-client-thread | adminclient-1] DEBUG org.apache.kafka.clients.NetworkClient - [AdminClient clientId=adminclient-1] Node -1 disconnected.
CreateTopicsResult: org.apache.kafka.clients.admin.CreateTopicsResult@258e2e41
20:12:52.489 [kafka-admin-client-thread | adminclient-1] WARN org.apache.kafka.clients.NetworkClient - [AdminClient clientId=adminclient-1] Connection to node -1 (/10.211.55.5:9092) could not be established. Broker may not be available.

我用的是Parallels + IntelliJ，请问是什么原因呢？

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