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https://issues.apache.org/jira/browse/KAFKA-6238?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Gustafson reopened KAFKA-6238:
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Reopening this since there is a bug in the config validation.
> Issues with protocol version when applying a rolling upgrade to 1.0.0
> ---------------------------------------------------------------------
>
> Key: KAFKA-6238
> URL: https://issues.apache.org/jira/browse/KAFKA-6238
> Project: Kafka
> Issue Type: Bug
> Components: documentation
> Affects Versions: 1.0.0
> Reporter: Diego Louzán
> Assignee: Jason Gustafson
> Priority: Major
> Fix For: 1.0.1
>
>
> Hello,
> I am trying to perform a rolling upgrade from 0.10.0.1 to 1.0.0, and
> according to the instructions in the documentation, I should only have to
> upgrade the "inter.broker.protocol.version" parameter in the first step. But
> after setting the value to "0.10.0" or "0.10.0.1" (tried both), the broker
> refuses to start with the following error:
> {code}
> [2017-11-20 08:28:46,620] FATAL (kafka.Kafka$)
> java.lang.IllegalArgumentException: requirement failed:
> log.message.format.version 1.0-IV0 cannot be used when
> inter.broker.protocol.version is set to 0.10.0.1
> at scala.Predef$.require(Predef.scala:224)
> at kafka.server.KafkaConfig.validateValues(KafkaConfig.scala:1205)
> at kafka.server.KafkaConfig.<init>(KafkaConfig.scala:1170)
> at kafka.server.KafkaConfig$.fromProps(KafkaConfig.scala:881)
> at kafka.server.KafkaConfig$.fromProps(KafkaConfig.scala:878)
> at
> kafka.server.KafkaServerStartable$.fromProps(KafkaServerStartable.scala:28)
> at kafka.Kafka$.main(Kafka.scala:82)
> at kafka.Kafka.main(Kafka.scala)
> {code}
> I checked the instructions for rolling upgrades to previous versions (namely
> 0.11.0.0), and in here it's stated that is also needed to upgrade the
> "log.message.format.version" parameter in two stages. I have tried that and
> the upgrade worked. It seems it still applies to version 1.0.0, so I'm not
> sure if this is wrong documentation, or an actual issue with kafka since it
> should work as stated in the docs.
> Regards,
> Diego Louzán
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