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From Diego Louzán (JIRA) <j...@apache.org>
Subject [jira] [Created] (KAFKA-6238) Issues with protocol version when applying a rolling upgrade to 1.0.0
Date Mon, 20 Nov 2017 11:06:00 GMT
Diego Louzán created KAFKA-6238:

             Summary: 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


I am trying to perform a rolling upgrade from 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 "" (tried both), the
broker refuses to start with the following error:

[2017-11-20 08:28:46,620] FATAL  (kafka.Kafka$)
java.lang.IllegalArgumentException: requirement failed: log.message.format.version 1.0-IV0
cannot be used when inter.broker.protocol.version is set to
        at scala.Predef$.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)

I checked the instructions for rolling upgrades to previous versions (namely, 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.

Diego Louzán

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