问题描述
简而言之,我启动了Kafka,成功创建了一个主题,启动了启用了密钥的制作人。到现在为止还挺好。我发送一条简单消息,我得到
root@kafka:/# kafka-console-producer --broker-list localhost:9092 --topic testkey --property "parse.key=true" propert
y "key.separator=:"
>1:fisrtmessage
org.apache.kafka.common.KafkaException: No key found on line 1: 1:fisrtmessage
at kafka.tools.ConsoleProducer$LineMessageReader.readMessage(ConsoleProducer.scala:275)
at kafka.tools.ConsoleProducer$.main(ConsoleProducer.scala:55)
at kafka.tools.ConsoleProducer.main(ConsoleProducer.scala)
root@kafka:/#
这里既是生产者又是消费者。如您所见,消费者没有收到消息,而生产者则陷入困境。
docker-compose.yml
version: '3'
services:
zookeeper:
image: confluentinc/cp-zookeeper:5.4.0
hostname: zookeeper
container_name: zookeeper
ports:
- "2181:2181"
environment:
ZOOKEEPER_CLIENT_PORT: 2181
ZOOKEEPER_TICK_TIME: 2000
broker:
image: confluentinc/cp-server:5.4.0
hostname: broker
container_name: broker
depends_on:
- zookeeper
ports:
- "9092:9092"
environment:
KAFKA_broKER_ID: 1
KAFKA_ZOOKEEPER_CONNECT: 'zookeeper:2181'
KAFKA_LISTENER_Security_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://broker:29092,PLAINTEXT_HOST://localhost:9092
KAFKA_METRIC_REPORTERS: io.confluent.metrics.reporter.ConfluentMetricsReporter
KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
KAFKA_CONFLUENT_LICENSE_TOPIC_REPLICATION_FACTOR: 1
CONFLUENT_METRICS_REPORTER_BOOTSTRAP_SERVERS: broker:29092
CONFLUENT_METRICS_REPORTER_ZOOKEEPER_CONNECT: zookeeper:2181
CONFLUENT_METRICS_REPORTER_TOPIC_REPLICAS: 1
CONFLUENT_METRICS_ENABLE: 'true'
CONFLUENT_SUPPORT_CUSTOMER_ID: 'anonymous'
kafka-tools:
image: confluentinc/cp-kafka:5.4.0
hostname: kafka
container_name: kafka
command: ["tail","-f","/dev/null"]
network_mode: "host"