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https://issues.apache.org/jira/browse/KAFKA-17525?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chia-Ping Tsai resolved KAFKA-17525.
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Fix Version/s: 4.0.0
Resolution: Fixed
> Convert the UnknownServerException to InvalidRequestException when altering
> client-metrics config at runtime
> ------------------------------------------------------------------------------------------------------------
>
> Key: KAFKA-17525
> URL: https://issues.apache.org/jira/browse/KAFKA-17525
> Project: Kafka
> Issue Type: Improvement
> Reporter: Chia-Ping Tsai
> Assignee: TaiJuWu
> Priority: Minor
> Fix For: 4.0.0
>
>
> see following test:
> {code:bash}
> chia7712@fedora:~/project/kafka$ bin/kafka-configs.sh --bootstrap-server
> 192.168.1.149:22222 --alter --entity-type client-metrics --entity-name test
> --add-config interval.ms=bbb
> Error while executing config command with args '--bootstrap-server
> 192.168.1.149:22222 --alter --entity-type client-metrics --entity-name test
> --add-config interval.ms=bbb'
> java.util.concurrent.ExecutionException:
> org.apache.kafka.common.errors.UnknownServerException: The server experienced
> an unexpected error when processing the request.
> at
> java.base/java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:396)
> at
> java.base/java.util.concurrent.CompletableFuture.get(CompletableFuture.java:2096)
> at
> org.apache.kafka.common.internals.KafkaFutureImpl.get(KafkaFutureImpl.java:180)
> at
> kafka.admin.ConfigCommand$.alterResourceConfig(ConfigCommand.scala:581)
> at kafka.admin.ConfigCommand$.alterConfig(ConfigCommand.scala:449)
> at kafka.admin.ConfigCommand$.processCommand(ConfigCommand.scala:351)
> at kafka.admin.ConfigCommand$.main(ConfigCommand.scala:100)
> at kafka.admin.ConfigCommand.main(ConfigCommand.scala)
> Caused by: org.apache.kafka.common.errors.UnknownServerException: The server
> experienced an unexpected error when processing the request.
> {code}
> By contrast, `topic` resource can handle the such error and then return
> `InvalidRequestException`
> {code:bash}
> chia7712@fedora:~/project/kafka$ bin/kafka-configs.sh --bootstrap-server
> 192.168.1.149:22222 --alter --topic chia --add-config flush.ms=aaa
> Error while executing config command with args '--bootstrap-server
> 192.168.1.149:22222 --alter --topic chia --add-config flush.ms=aaa'
> java.util.concurrent.ExecutionException:
> org.apache.kafka.common.errors.InvalidConfigurationException: Invalid value
> aaa for configuration flush.ms: Not a number of type LONG
> at
> java.base/java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:396)
> at
> java.base/java.util.concurrent.CompletableFuture.get(CompletableFuture.java:2096)
> at
> org.apache.kafka.common.internals.KafkaFutureImpl.get(KafkaFutureImpl.java:180)
> at
> kafka.admin.ConfigCommand$.alterResourceConfig(ConfigCommand.scala:581)
> at kafka.admin.ConfigCommand$.alterConfig(ConfigCommand.scala:371)
> at kafka.admin.ConfigCommand$.processCommand(ConfigCommand.scala:351)
> at kafka.admin.ConfigCommand$.main(ConfigCommand.scala:100)
> at kafka.admin.ConfigCommand.main(ConfigCommand.scala)
> Caused by: org.apache.kafka.common.errors.InvalidConfigurationException:
> Invalid value aaa for configuration flush.ms: Not a number of type LONG
> {code}
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