我让Zookeeper和Kafka在OS X上的Docker中运行,使用Docker工具箱和Docker Compose。我的码头工人-合成.yml文件是:
zk:
image: patrickmay/zookeeper:3.4.6-jessie
ports:
- "2181:2181"
command: /usr/local/zookeeper/bin/zkServer.sh start-foreground
kafka0:
image: patrickmay/kafka:0.8.2.1-jessie
ports:
- "9092:9092"
command: /usr/local/bin/start-kafka.sh 0 docker-machine 9092
links:
- zk
kafka1:
image: patrickmay/kafka:0.8.2.1-jessie
ports:
- "9093:9092"
command: /usr/local/bin/start-kafka.sh 1 docker-machine 9093
links:
- zk
kafka2:
image: patrickmay/kafka:0.8.2.1-jessie
ports:
- "9094:9092"
command: /usr/local/bin/start-kafka.sh 2 docker-machine 9094
links:
- zk
我创建了一个主题,叫做测试印象:
^{pr2}$我试着用这个简单的Python脚本编写它:
#!/usr//bin/env python
from __future__ import print_function
import sys
from kafka import SimpleProducer, KafkaClient
kafka = KafkaClient('docker-machine:9094')
producer = SimpleProducer(kafka)
producer.send_messages(b'test_impressions', b'some message')
我得到这个错误:
Traceback (most recent call last):
File "./kafka-producer.py", line 12, in <module>
producer.send_messages(b'test_impressions', b'some message')
File "/Users/patrick.may/projects/ad-server/frequency-cap/venv/lib/python2.7/site-packages/kafka/producer/simple.py", line 52, in send_messages
partition = self._next_partition(topic)
File "/Users/patrick.may/projects/ad-server/frequency-cap/venv/lib/python2.7/site-packages/kafka/producer/simple.py", line 36, in _next_partition
self.client.load_metadata_for_topics(topic)
File "/Users/patrick.may/projects/ad-server/frequency-cap/venv/lib/python2.7/site-packages/kafka/client.py", line 378, in load_metadata_for_topics
kafka.common.check_error(topic_metadata)
File "/Users/patrick.may/projects/ad-server/frequency-cap/venv/lib/python2.7/site-packages/kafka/common.py", line 233, in check_error
raise error_class(response)
kafka.common.LeaderNotAvailableError: TopicMetadata(topic='test_impressions', error=5, partitions=[])
我尝试过所有三个docker机器端口(9092、9093和9094)。我有什么配置错误吗?在
谢谢。在
发现了我的错误。在docker中使用docker machine-合成.yml文件出错,因为docker machine不在/etc/hosts文件中。将其更改为数字IP地址解决了此问题。在
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