importkafka.admin.AdminUtils;importkafka.admin.TopicCommand;importkafka.api.TopicMetadata;importkafka.tools.ConsumerOffsetChecker;importkafka.utils.ZKStringSerializer$;importkafka.utils.ZkUtils;importorg.I0Itec.zkclient.ZkClient;importorg.apache.commons.exec.CommandLine;importorg.apache.commons.exec.DefaultE...
at Socket.Readable.push (_stream_readable.js:209:10) message: 'Could not find the leader' } 解决方法: 修改num.partitions的值,partitions在是在创建topic的时候默认创建的partitions节点的个数,只对新创建的topic生效,所有尽量在项目规划时候定一个合理的值。也可以通过命令行动态扩容() ./bin/kafka-topic...
kafkactl consume my-topic In order to consume starting from the oldest offset use: kafkactl consume my-topic --from-beginning The following example prints message key and timestamp as well as partition and offset in yaml format: kafkactl consume my-topic --print-keys --print-timestamps -...
Step 5: 启动consumerKafka also has a command line consumer that will dump out messages to standard output.Kafka也有一个命令行consumer可以读取消息并输出到标准输出: > bin/kafka-console-consumer.sh --zookeeper localhost:2181 --topic test --from-beginningThis is a messageThis is another message复制...
> --from-beginning --topic test send message from kafka 2 line 2 send from kafka 2 to 3 check if I can receive from kafka 1 ^CProcessed a total of 4 messages bash-4.4# 1. 2. 3. 4. 5. 6. 7. 8. 9. 接收到的消息来自两处:root_kafka_2 和 root_kafka_3。验证通过 ...
1、UnknownTopicOrPartitionException org.apache.kafka.common.errors.UnknownTopicOrPartitionException: This server does not host this topic-partition 1. 2. 报错内容:分区数据不在 原因分析:producer向不存在的topic发送消息,用户可以检查topic是否存在 或者设置auto.create.topics.enable参数 ...
How to view messages of a topic in Kafka? Command: export KAFKA_OPTS=-Djava.security.auth.login.config=/opt/kafka/config/kafka_client_jaas.conf cd /opt/kafka/bin/ ./kafka-console-consumer.sh --topic discoveryTopic -from-beginning --consumer.config=consumer.properties --bootstrap-server=<ser...
60)at Socket.<anonymous>(D:\project\node\kafka-test\src\node_modules\kafka-node\lib\kafkaClient.js:618:10)at Socket.emit(events.js:159:13)ataddChunk(_stream_readable.js:265:12)atreadableAddChunk(_stream_readable.js:252:11)at Socket.Readable.push(_stream_readable.js:209:10)message:'...
The~/kafka/bin/kafka-console-consumer.shshell script starts the consumer. Once started, it will subscribe to messages from the topic that you published in the"Test Message 1"message in the previous command. The--from-beginningflag in the command allows consuming messages that...
Start the provide sample application (see patch) and start message sending using http-request 'http://localhost:8080/start' Observe messages with following command: 'kafka-console-consumer.sh --topic sampleTopic --bootstrap-server localhost:9092 --property print.value=false --property print.partiti...