我想用wurstmeister\kafka-docker
图片与docker-compose
,但我有与连接一切真正的问题。卡夫卡在码头工作不起作用
我检查的所有帖子或问题似乎没有任何问题,但我坦率地失去了。 (并且在SO中至少有两个问题试图解决这个问题)
我认为问题在于我对docker
的网络不了解。所以问题:
我可以从同一个kafka容器中使用和生成,但是当我尝试创建另一个容器时(或者使用我的笔记本电脑和python客户端)时,我得到了几个与advertised.host.name
参数相关的错误这个参数的图像是KAFKA_ADVERTISED_HOST_NAME
)
我已经尝试以很多方式设置这个变量,但它根本不起作用。
所以我找了一个权威的答案(即如何设置自动这些参数又是什么意思)如何设置docker-compose.yml
这是我的:
zookeeper:
image: wurstmeister/zookeeper
ports:
- "2181:2181"
kafka:
image: wurstmeister/kafka
# hostname: kafka
ports:
- "9092"
links:
- zookeeper:zk
environment:
KAFKA_ADVERTISED_HOST_NAME: "kafka"
KAFKA_ADVERTISED_PORT: "9092"
KAFKA_ZOOKEEPER_CONNECT: "zk:2181"
UPDATE
继@dnephin的建议之后,我修改了以下行中的start-kafka.sh
:
...
if [[ -z "$KAFKA_ADVERTISED_PORT" ]]; then
export KAFKA_ADVERTISED_PORT=$(hostname -i)
fi
...
并从docker-compose.yml
KAFKA_ADVERTISED_HOST_NAME: "kafka"
我开始在正规途径的容器:
docker-compose up -d
两个容器的运行:
$ docker-compose ps
Name Command State Ports
-----------------------------------------------------------------------------------------------------------------
infraestructura_kafka_1 start-kafka.sh Up 0.0.0.0:32768->9092/tcp
infraestructura_zookeeper_1 /opt/zookeeper/bin/zkServe ... Up 0.0.0.0:2181->2181/tcp, 2888/tcp, 3888/tcp
后来我做:
docker-compose logs
一切运行顺利。
为了检查IP地址:
$ KAFKA_IP=$(docker inspect --format '{{ .NetworkSettings.IPAddress }}' infraestructura_kafka_1)
$ echo $KAFKA_IP
172.17.0.4
and
$ ZK_IP=$(docker inspect --format '{{ .NetworkSettings.IPAddress }}' infraestructura_zookeeper_1)
$ echo $ZK_IP
172.17.0.3
然后我执行两个型动物控制台:
生产者:
$ docker run --rm --interactive wurstmeister/kafka /opt/kafka_2.11-0.9.0.1/bin/kafka-console-producer.sh --topic grillo --broker-list 171.17.0.4:9092
消费者:
$ docker run --rm --interactive wurstmeister/kafka /opt/kafka_2.11-0.9.0.1/bin/kafka-console-consumer.sh --topic grillo --from-beginning --zookeeper 172.17.0.3:2181
几乎立即直接tely,警告开始飞遍屏幕:
[2016-03-11 00:39:17,010] WARN Fetching topic metadata with correlation id 0 for topics [Set(grillo)] from broker [BrokerEndPoint(1001,ba53d4fd7595,9092)] failed (kafka.client.ClientUtils$)
java.nio.channels.ClosedChannelException
at kafka.network.BlockingChannel.send(BlockingChannel.scala:110)
at kafka.producer.SyncProducer.liftedTree1$1(SyncProducer.scala:75)
at kafka.producer.SyncProducer.kafka$producer$SyncProducer$$doSend(SyncProducer.scala:74)
at kafka.producer.SyncProducer.send(SyncProducer.scala:119)
at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:59)
at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:94)
at kafka.consumer.ConsumerFetcherManager$LeaderFinderThread.doWork(ConsumerFetcherManager.scala:66)
at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
[2016-03-11 00:39:17,013] WARN [console-consumer-79688_9dd5f575d557-1457656747003-f1ed369d-leader-finder-thread], Failed to find leader for Set([grillo,0]) (kafka.consumer.ConsumerFetcherManager$LeaderFin
derThread)
kafka.common.KafkaException: fetching topic metadata for topics [Set(grillo)] from broker [ArrayBuffer(BrokerEndPoint(1001,ba53d4fd7595,9092))] failed
at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:73)
at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:94)
at kafka.consumer.ConsumerFetcherManager$LeaderFinderThread.doWork(ConsumerFetcherManager.scala:66)
at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
Caused by: java.nio.channels.ClosedChannelException
at kafka.network.BlockingChannel.send(BlockingChannel.scala:110)
at kafka.producer.SyncProducer.liftedTree1$1(SyncProducer.scala:75)
at kafka.producer.SyncProducer.kafka$producer$SyncProducer$$doSend(SyncProducer.scala:74)
at kafka.producer.SyncProducer.send(SyncProducer.scala:119)
at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:59)
... 3 more
等
在制片人的控制台,我写的一些句子:
$ docker run --rm --interactive klustera/kafka /opt/kafka_2.11-0.9.0.1/bin/kafka-console-producer.sh --topic grillo --broker-list 171.17.0.4:9092
Hola
¿Cómo estáń?
¿Todo bien?
而且过了一会儿,我得到这个答复:
[2016-03-11 00:39:28,955] ERROR Error when sending message to topic grillo with key: null, value: 4 bytes with error: Failed to update metadata after 60000 ms. (org.apache.kafka.clients.producer.internals.ErrorLoggingCallback)
[2016-03-11 00:40:28,956] ERROR Error when sending message to topic grillo with key: null, value: 16 bytes with error: Failed to update metadata after 60000 ms. (org.apache.kafka.clients.producer.internals.ErrorLoggingCallback)
[2016-03-11 00:41:28,956] ERROR Error when sending message to topic grillo with key: null, value: 12 bytes with error: Failed to update metadata after 60000 ms. (org.apache.kafka.clients.producer.internals.ErrorLoggingCallback)
而在docker-compose logs
...
zookeeper_1 | 2016-03-11 00:39:07,072 [myid:] - INFO [ProcessThread(sid:0 cport:2181)::[email protected]] - Got user-level KeeperException when processing sessionid:0x153631368b1000b type:create c
xid:0x2 zxid:0x47 txntype:-1 reqpath:n/a Error Path:/consumers Error:KeeperErrorCode = NodeExists for /consumers
zookeeper_1 | 2016-03-11 00:39:07,243 [myid:] - INFO [ProcessThread(sid:0 cport:2181)::[email protected]] - Got user-level KeeperException when processing sessionid:0x153631368b1000b type:create c
xid:0x19 zxid:0x4b txntype:-1 reqpath:n/a Error Path:/consumers/console-consumer-79688/owners/grillo Error:KeeperErrorCode = NoNode for /consumers/console-consumer-79688/owners/grillo
zookeeper_1 | 2016-03-11 00:39:07,247 [myid:] - INFO [ProcessThread(sid:0 cport:2181)::[email protected]] - Got user-level KeeperException when processing sessionid:0x153631368b1000b type:create $xid:0x1a zxid:0x4c txntype:-1 reqpath:n/a Error Path:/consumers/console-consumer-79688/owners Error:KeeperErrorCode = NoNode for /consumers/console-consumer-79688/owners
...
UPDATE 2
我使它工作,至少,在docker-machine
:
首先,我定义的变量与docker-machine
的名称:
DOCKER_VM=kafka_test
然后,我修改docker-compose.yml
如下:
KAFKA_ADVERTISED_HOST_NAME: "${DOCKER_MACHINE_IP}"
最后,在docker-machine
的环境,我执行:
DOCKER_MACHINE_IP=$(docker-machine ip $DOCKER_VM) docker-compose up -d
但在笔记本电脑(我的意思是,不使用的虚拟机,这是行不通的)
只是检查,如果我得到它确定:当你运行一个容器,它的工作原理,但是当你创建另一个(当第一个正在运行)失败?或者问题是你不能连接到卡夫卡容器? –
当我尝试连接使用消费者或生产者失败时...感谢 – nanounanue
这个问题我想你真的想把它设置为KAFKA_ADVERTISED_HOST。这条线将IP地址分配给应该有端口号的变量:'export KAFKA_ADVERTISED_PORT = $(hostname -i)' – Grigory