Gérald Quintana created KAFKA-9257:
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Summary: Allow listeners to bind on same port but different
interfaces
Key: KAFKA-9257
URL: https://issues.apache.org/jira/browse/KAFKA-9257
Project: Kafka
Issue Type: Improvement
Components: network
Affects Versions: 2.3.1
Reporter: Gérald Quintana
It's not possible to bind two listeners to two distinct network interfaces
using the same port
{code:java}
listeners=ONE://<ip1>:9092,TWO://<ip2>:9092
advertised.listeners=ONE://<hostname1>:9092,TWO://<hostname2>:9092
listener.security.protocol.map=ONE:PLAINTEXT,TWO:PLAINTEXT{code}
Kafka server returns an error:
{noformat}
[2019-12-02 13:07:18,256] ERROR Exiting Kafka due to fatal exception
(kafka.Kafka$)
java.lang.IllegalArgumentException: requirement failed: Each listener must
have a different port, listeners: ONE://<ip1>:9092,TWO://<ip2>:9092
at scala.Predef$.require(Predef.scala:281)
at kafka.utils.CoreUtils$.validate$1(CoreUtils.scala:305)
at kafka.utils.CoreUtils$.listenerListToEndPoints(CoreUtils.scala:316)
at kafka.server.KafkaConfig.advertisedListeners(KafkaConfig.scala:1407)
at kafka.server.KafkaConfig.validateValues(KafkaConfig.scala:1482)
at kafka.server.KafkaConfig.<init>(KafkaConfig.scala:1460)
at kafka.server.KafkaConfig.<init>(KafkaConfig.scala:1114)
at kafka.server.KafkaConfig$.fromProps(KafkaConfig.scala:1094)
at kafka.server.KafkaServerStartable$.fromProps(KafkaServerStartable.scala:28)
at kafka.Kafka$.main(Kafka.scala:68)
at kafka.Kafka.main(Kafka.scala){noformat}
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