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Posted to dev@kafka.apache.org by "Joaquin Casares (JIRA)" <ji...@apache.org> on 2016/09/03 21:57:20 UTC
[jira] [Created] (KAFKA-4121) Allow creating broker listeners from
hostname
Joaquin Casares created KAFKA-4121:
--------------------------------------
Summary: Allow creating broker listeners from hostname
Key: KAFKA-4121
URL: https://issues.apache.org/jira/browse/KAFKA-4121
Project: Kafka
Issue Type: Improvement
Components: config
Affects Versions: 0.10.0.1
Reporter: Joaquin Casares
Priority: Minor
I'm attempting to start a docker container using the parameter:
{CODE}
advertised.listeners = PLAINTEXT://dockercomposeproject_kafka_1:9092
{CODE}
However, I get this error:
{CODE}
kafka_1 | java.lang.IllegalArgumentException: Error creating broker listeners from 'PLAINTEXT://dockercomposeproject_kafka_1:9092': Unable to parse PLAINTEXT://dockercomposeproject_kafka_1:9092 to a broker endpoint
kafka_1 | at kafka.server.KafkaConfig.validateUniquePortAndProtocol(KafkaConfig.scala:954)
kafka_1 | at kafka.server.KafkaConfig.getAdvertisedListeners(KafkaConfig.scala:985)
kafka_1 | at kafka.server.KafkaConfig.<init>(KafkaConfig.scala:927)
kafka_1 | at kafka.server.KafkaConfig$.fromProps(KafkaConfig.scala:743)
kafka_1 | at kafka.server.KafkaConfig$.fromProps(KafkaConfig.scala:740)
kafka_1 | at kafka.server.KafkaServerStartable$.fromProps(KafkaServerStartable.scala:28)
kafka_1 | at kafka.Kafka$.main(Kafka.scala:58)
kafka_1 | at kafka.Kafka.main(Kafka.scala)
{CODE}
My workaround is to set my envar (for the wurstmeister/kafka-docker, which is unrelated to this ticket) to:
{CODE}
KAFKA_ADVERTISED_LISTENERS=PLAINTEXT://`getent hosts dockercomposeproject_kafka_1 | awk '{ print $1 }'`:9092
{CODE}
Which resolves to:
{CODE}
advertised.listeners = PLAINTEXT://172.18.0.4:9092
{CODE}
This advertised.listeners resolution allows my docker container to start as expected.
Could sending in hostnames, instead of strict IP addresses, be supported for the advertised.listeners setting?
Thanks!
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