[GitHub] [kafka] ijuma commented on a change in pull request #9049: MINOR: fix scala warnings

[GitBox <gi...@apache.org>]

ijuma commented on a change in pull request #9049:
URL: https://github.com/apache/kafka/pull/9049#discussion_r460453337



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File path: core/src/main/scala/kafka/admin/ConfigCommand.scala
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@@ -344,11 +342,14 @@ object ConfigCommand extends Config {
         val sensitiveEntries = newEntries.filter(_._2.value == null)
         if (sensitiveEntries.nonEmpty)
           throw new InvalidConfigurationException(s"All sensitive broker config entries must be specified for --alter, missing entries: ${sensitiveEntries.keySet}")
-        val newConfig = new JConfig(newEntries.asJava.values)
+
+        val alterLogLevelEntries = (newEntries.values.map(new AlterConfigOp(_, AlterConfigOp.OpType.SET))
+          ++ configsToBeDeleted.map { k => new AlterConfigOp(new ConfigEntry(k, ""), AlterConfigOp.OpType.DELETE) }
+          ).asJavaCollection
 
         val configResource = new ConfigResource(ConfigResource.Type.BROKER, entityNameHead)
         val alterOptions = new AlterConfigsOptions().timeoutMs(30000).validateOnly(false)
-        adminClient.alterConfigs(Map(configResource -> newConfig).asJava, alterOptions).all().get(60, TimeUnit.SECONDS)
+        adminClient.incrementalAlterConfigs(Map(configResource -> alterLogLevelEntries).asJava, alterOptions).all().get(60, TimeUnit.SECONDS)

Review comment:
       Some broker versions don't support incremental alter configs, so you would be breaking compatibility by making this change.




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