想要收集流式数据,但是主机一直连不上虚拟机里的kafka。主机可以ping通虚拟机,但就是不停地报错
Caused by: java.lang.IllegalStateException: No entry found for connection 2147483647
at org.apache.kafka.clients.ClusterConnectionStates.nodeState(ClusterConnectionStates.java:339)
at org.apache.kafka.clients.ClusterConnectionStates.disconnected(ClusterConnectionStates.java:143)
at org.apache.kafka.clients.NetworkClient.initiateConnect(NetworkClient.java:926)
at org.apache.kafka.clients.NetworkClient.ready(NetworkClient.java:287)
at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.tryConnect(ConsumerNetworkClient.java:548)
at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$FindCoordinatorResponseHandler.onSuccess(AbstractCoordinator.java:676)
at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$FindCoordinatorResponseHandler.onSuccess(AbstractCoordinator.java:656)
at org.apache.kafka.clients.consumer.internals.RequestFuture$1.onSuccess(RequestFuture.java:204)
at org.apache.kafka.clients.consumer.internals.RequestFuture.fireSuccess(RequestFuture.java:167)
at org.apache.kafka.clients.consumer.internals.RequestFuture.complete(RequestFuture.java:127)
at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient$RequestFutureCompletionHandler.fireCompletion(ConsumerNetworkClient.java:575)
at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.firePendingCompletedRequests(ConsumerNetworkClient.java:389)
at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:297)
at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:236)
at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:215)
at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.ensureCoordinatorReady(AbstractCoordinator.java:235)
at org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.fetchCommittedOffsets(ConsumerCoordinator.java:527)
at org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.refreshCommittedOffsetsIfNeeded(ConsumerCoordinator.java:497)
at org.apache.kafka.clients.consumer.KafkaConsumer.updateFetchPositions(KafkaConsumer.java:2209)
at org.apache.kafka.clients.consumer.KafkaConsumer.position(KafkaConsumer.java:1667)
at org.apache.kafka.clients.consumer.KafkaConsumer.position(KafkaConsumer.java:1626)
at org.apache.flink.streaming.connectors.kafka.internal.KafkaConsumerThread.reassignPartitions(KafkaConsumerThread.java:426)
at org.apache.flink.streaming.connectors.kafka.internal.KafkaConsumerThread.run(KafkaConsumerThread.java:239)
尝试重启进程、关闭防火墙都不行,后来发现是主机无法解析地址,于是在kafka的config路径下修改producer.properties文件,将下图最底下蓝色那行advertised.listeners的注释去掉,再改成自己的ip

最后杀掉生产者、消费者和kafka进程,再次运行,成功

在尝试连接虚拟机上的Kafka时遇到问题,错误信息为'Caused by: java.lang.IllegalStateException: No entry found for connection 2147483647'。尽管主机能ping通虚拟机,但连接始终失败。通过检查发现是由于主机无法解析Kafka的地址。解决方案是修改Kafka配置文件producer.properties,取消advertised.listeners的注释并设置为正确IP。重新启动所有相关进程后,成功连接到Kafka。
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