Jason Gustafson created KAFKA-10140:
---------------------------------------
Summary: Incremental config api excludes plugin config changes
Key: KAFKA-10140
URL: https://issues.apache.org/jira/browse/KAFKA-10140
Project: Kafka
Issue Type: Bug
Reporter: Jason Gustafson
Fix For: 2.6.0
I was trying to alter the jmx metric filters using the incremental alter config
api and hit this error:
```
java.util.NoSuchElementException: key not found: metrics.jmx.blacklist
at scala.collection.MapLike.default(MapLike.scala:235)
at scala.collection.MapLike.default$(MapLike.scala:234)
at scala.collection.AbstractMap.default(Map.scala:65)
at scala.collection.MapLike.apply(MapLike.scala:144)
at scala.collection.MapLike.apply$(MapLike.scala:143)
at scala.collection.AbstractMap.apply(Map.scala:65)
at kafka.server.AdminManager.listType$1(AdminManager.scala:681)
at
kafka.server.AdminManager.$anonfun$prepareIncrementalConfigs$1(AdminManager.scala:693)
at
kafka.server.AdminManager.prepareIncrementalConfigs(AdminManager.scala:687)
at
kafka.server.AdminManager.$anonfun$incrementalAlterConfigs$1(AdminManager.scala:618)
at
scala.collection.TraversableLike.$anonfun$map$1(TraversableLike.scala:273)
at scala.collection.immutable.Map$Map1.foreach(Map.scala:154)
at scala.collection.TraversableLike.map(TraversableLike.scala:273)
at scala.collection.TraversableLike.map$(TraversableLike.scala:266)
at scala.collection.AbstractTraversable.map(Traversable.scala:108)
at
kafka.server.AdminManager.incrementalAlterConfigs(AdminManager.scala:589)
at
kafka.server.KafkaApis.handleIncrementalAlterConfigsRequest(KafkaApis.scala:2698)
at kafka.server.KafkaApis.handle(KafkaApis.scala:188)
at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:78)
at java.base/java.lang.Thread.run(Thread.java:834)
```
It looks like we are only allowing changes to the keys defined in `KafkaConfig`
through this API. This excludes config changes to any plugin components such as
`JmxReporter`.
Note that I was able to use the regular `alterConfig` API to change this config.
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