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https://issues.apache.org/jira/browse/KAFKA-3091?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15095154#comment-15095154
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Grant Henke commented on KAFKA-3091:
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I can look at this since its related to KAFKA-3012.
> Broker with an invalid id would not start when its id is updated to a new
> valid one
> -----------------------------------------------------------------------------------
>
> Key: KAFKA-3091
> URL: https://issues.apache.org/jira/browse/KAFKA-3091
> Project: Kafka
> Issue Type: Bug
> Affects Versions: 0.9.0.0
> Reporter: Vahid Hashemian
> Priority: Minor
>
> Setup being used:
> - Kafka 0.9.0
> - Two servers:
> -- server 1: zookeeper and 3 brokers (ids: 0, 1, 2)
> -- server 2: 2 brokers (ids: 10 and 1 -> 11)
> When on server 2 the second broker with initial id of 1 is started an error
> returned indicating the id 1 is in use. When the corresponding
> servers.properties file is updated and id is changed to 11 the broker would
> no longer start. The following error is returned:
> [2016-01-12 13:40:22,145] FATAL Fatal error during KafkaServer startup.
> Prepare to shutdown (kafka.server.KafkaServer)
> kafka.common.InconsistentBrokerIdException: Configured brokerId 11 doesn't
> match stored brokerId 1 in meta.properties
> at kafka.server.KafkaServer.getBrokerId(KafkaServer.scala:630)
> at kafka.server.KafkaServer.startup(KafkaServer.scala:175)
> at
> kafka.server.KafkaServerStartable.startup(KafkaServerStartable.scala:37)
> at kafka.Kafka$.main(Kafka.scala:67)
> at kafka.Kafka.main(Kafka.scala)
> [2016-01-12 13:40:22,147] INFO shutting down (kafka.server.KafkaServer)
> [2016-01-12 13:40:22,148] INFO Shutting down. (kafka.log.LogManager)
> [2016-01-12 13:40:22,153] INFO Shutdown complete. (kafka.log.LogManager)
> [2016-01-12 13:40:22,153] INFO Terminate ZkClient event thread.
> (org.I0Itec.zkclient.ZkEventThread)
> [2016-01-12 13:40:22,155] INFO Session: 0x15237b0b6270014 closed
> (org.apache.zookeeper.ZooKeeper)
> [2016-01-12 13:40:22,155] INFO EventThread shut down
> (org.apache.zookeeper.ClientCnxn)
> [2016-01-12 13:40:22,156] INFO shut down completed (kafka.server.KafkaServer)
> [2016-01-12 13:40:22,156] FATAL Fatal error during KafkaServerStartable
> startup. Prepare to shutdown (kafka.server.KafkaServerStartable)
> kafka.common.InconsistentBrokerIdException: Configured brokerId 11 doesn't
> match stored brokerId 1 in meta.properties
> at kafka.server.KafkaServer.getBrokerId(KafkaServer.scala:630)
> at kafka.server.KafkaServer.startup(KafkaServer.scala:175)
> at
> kafka.server.KafkaServerStartable.startup(KafkaServerStartable.scala:37)
> at kafka.Kafka$.main(Kafka.scala:67)
> at kafka.Kafka.main(Kafka.scala)
> [2016-01-12 13:40:22,157] INFO shutting down (kafka.server.KafkaServer)
> I looked at existing JIRA tickets referencing this error but none seemed to
> describe the exact scenario as the one here. Restarting brokers or the
> zookeeper would not seem to help.
> And upon further testing it appears the number of servers is irrelevant here,
> and the same issue would surface in a one server setup too.
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