[GitHub] [kafka] ijuma commented on a diff in pull request #12282: MINOR: Fail if Logging controller bean is not correctly registered

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

ijuma commented on code in PR #12282:
URL: https://github.com/apache/kafka/pull/12282#discussion_r942492154


##########
core/src/main/scala/kafka/utils/Logging.scala:
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@@ -27,7 +27,10 @@ object Log4jControllerRegistration {
   try {
     val log4jController = Class.forName("kafka.utils.Log4jController").asInstanceOf[Class[Object]]
     val instance = log4jController.getDeclaredConstructor().newInstance()
-    CoreUtils.registerMBean(instance, "kafka:type=kafka.Log4jController")
+    val success = CoreUtils.registerMBean(instance, "kafka:type=kafka.Log4jController")
+    if (!success) {
+      throw new IllegalArgumentException

Review Comment:
   This should have a message. Also, we should decide if we want to shutdown or if we want to log it. I usually prefer fail-fast, but not sure in this case. For example, what happens if there are multiple brokers running in the same jvm?



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