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https://issues.apache.org/jira/browse/KAFKA-4987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15950237#comment-15950237
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huxi commented on KAFKA-4987:
-----------------------------
Did you use a higher version of client talking to a lower version of broker?
> Topic creation allows invalid config values on running brokers
> --------------------------------------------------------------
>
> Key: KAFKA-4987
> URL: https://issues.apache.org/jira/browse/KAFKA-4987
> Project: Kafka
> Issue Type: Bug
> Affects Versions: 0.10.0.1, 0.10.1.0
> Reporter: dan norwood
>
> we use kip4 capabilities to make a `CreateTopicsRequest` for our topics. one
> of the configs we use is `cleanup.policy=compact, delete`. this was
> inadvertently run against a cluster that does not support that policy. the
> result was that the topic was created, however on subsequent broker bounce
> the broker fails to start up
> {code}
> [2017-03-23 00:00:44,837] FATAL Fatal error during KafkaServer startup.
> Prepare to shutdown (kafka.server.KafkaServer)
> org.apache.kafka.common.config.ConfigException: Invalid value compact,delete
> for configuration cleanup.policy: String must be one of: compact, delete
> at
> org.apache.kafka.common.config.ConfigDef$ValidString.ensureValid(ConfigDef.java:827)
> at org.apache.kafka.common.config.ConfigDef.parse(ConfigDef.java:427)
> at
> org.apache.kafka.common.config.AbstractConfig.<init>(AbstractConfig.java:55)
> at kafka.log.LogConfig.<init>(LogConfig.scala:56)
> at kafka.log.LogConfig$.fromProps(LogConfig.scala:192)
> at kafka.server.KafkaServer$$anonfun$3.apply(KafkaServer.scala:598)
> at kafka.server.KafkaServer$$anonfun$3.apply(KafkaServer.scala:597)
> at
> scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
> at
> scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
> at
> scala.collection.immutable.HashMap$HashMap1.foreach(HashMap.scala:224)
> at
> scala.collection.immutable.HashMap$HashTrieMap.foreach(HashMap.scala:403)
> at
> scala.collection.immutable.HashMap$HashTrieMap.foreach(HashMap.scala:403)
> at
> scala.collection.immutable.HashMap$HashTrieMap.foreach(HashMap.scala:403)
> at scala.collection.TraversableLike$class.map(TraversableLike.scala:244)
> at scala.collection.AbstractTraversable.map(Traversable.scala:105)
> at kafka.server.KafkaServer.createLogManager(KafkaServer.scala:597)
> at kafka.server.KafkaServer.startup(KafkaServer.scala:183)
> at
> kafka.server.KafkaServerStartable.startup(KafkaServerStartable.scala:37)
> at kafka.Kafka$.main(Kafka.scala:67)
> at kafka.Kafka.main(Kafka.scala)
> [2017-03-23 00:00:44,839] INFO shutting down (kafka.server.KafkaServer)
> [2017-03-23 00:00:44,844] INFO shut down completed (kafka.server.KafkaServer)
> {code}
> i believe that the broker should fail when given an invalid config during
> topic creation
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