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kafka插入失败

org.springframework.kafka.core.KafkaProducerException: Failed to send; nested exception is org.apache.kafka.common.errors.TimeoutException: Expiring 1 record(s) for zhaochaotest-0: 30031 ms has passed since batch creation plus linger time     at org.springframework.kafka.core.KafkaTemplate$1.onCompletion(KafkaTemplate.java:365)     at org.apache.kafka.clients.producer.internals.ProducerBatch.completeFutureAndFireCallbacks(ProducerBatch.java:204)     at org.apache.kafka.clients.producer.internals.ProducerBatch.done(ProducerBatch.java:187)     at org.apache.kafka.clients.producer.internals.Sender.failBatch(Sender.java:627)     at org.apache.kafka.clients.producer.internals.Sender.sendProducerData(Sender.java:287)     at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:238)     at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:163)     at java.lang.Thread.run(Thread.java:745) Caused by: org.apache.kafka.common.errors.TimeoutException: Expiring 1 record(s) for zhaochaotest-0: 30031 ms has passed since batch creation plus linger time

02

Kafka错误“Network is unreachable”和“larger than available brokers”

确定Kafka安装和启动正确,ZooKeeper可以查到所有的Brokers,但执行: kafka-topics.sh --create --zookeeper localhost:2181 --replication-factor 3 --partitions 1 --topic my-replicated-topic 遇到如下错误: java.net.SocketException: Network is unreachable         at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)         at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)         at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361)         at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1141) Error while executing topic command : replication factor: 3 larger than available brokers: 0 [2017-06-26 17:25:18,037] ERROR org.apache.kafka.common.errors.InvalidReplicationFactorException: replication factor: 3 larger than available brokers: 0 这个问题可能是broker的配置文件server.properties中的配置项zookeeper.connect指定了kafka的zookeeper的根目录,如: zookeeper.connect=192.168.31.32:2181,192.168.31.33:2181/kafka 这个时候,命令行参数“--zookeeper”的值也需要带上根目录,否则就会报这个错误,正确做法是: kafka-topics.sh --create --zookeeper localhost:2181/kafka --replication-factor 3 --partitions 1 --topic my-replicated-topic

03

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