文档首页/
MapReduce服务 MRS/
用户指南(阿布扎比区域)/
故障排除/
使用Kafka/
Consumer消费数据失败,提示SchemaException: Error reading field 'brokers'
更新时间:2022-02-24 GMT+08:00
Consumer消费数据失败,提示SchemaException: Error reading field 'brokers'
问题背景与现象
Consumer来消费Kafka中指定Topic的消息时,发现无法从Kafka中获取到数据。提示如下错误: org.apache.kafka.common.protocol.types.SchemaException: Error reading field 'brokers': Error reading field 'host': Error reading string of length 28271, only 593 bytes available。
Exception in thread "Thread-0" org.apache.kafka.common.protocol.types.SchemaException: Error reading field 'brokers': Error reading field 'host': Error reading string of length 28271, only 593 bytes available at org.apache.kafka.common.protocol.types.Schema.read(Schema.java:73) at org.apache.kafka.clients.NetworkClient.parseResponse(NetworkClient.java:380) at org.apache.kafka.clients.NetworkClient.handleCompletedReceives(NetworkClient.java:449) at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:269) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.clientPoll(ConsumerNetworkClient.java:360) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:224) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:192) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:163) atorg.apache.kafka.clients.consumer.internals.AbstractCoordinator.ensureCoordinatorReady(AbstractCoordinator.java:179) at org.apache.kafka.clients.consumer.KafkaConsumer.pollOnce(KafkaConsumer.java:973) at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:937) at KafkaNew.Consumer$ConsumerThread.run(Consumer.java:40)
可能原因
客户端和服务端Jar版本不一致。
解决办法
修改Consumer应用程序中kafka jar,确保和服务端保持一致。
父主题: 使用Kafka