showuon commented on a change in pull request #10838:
URL: https://github.com/apache/kafka/pull/10838#discussion_r654719694
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File path: core/src/main/scala/kafka/server/DynamicConfigManager.scala
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@@ -86,25 +88,30 @@ object ConfigEntityName {
*/
class DynamicConfigManager(private val zkClient: KafkaZkClient,
private val configHandlers: Map[String,
ConfigHandler],
- private val changeExpirationMs: Long = 15*60*1000,
+ private val changeExpirationMs: Long = 15 * 60 *
1000,
private val time: Time = Time.SYSTEM) extends
Logging {
val adminZkClient = new AdminZkClient(zkClient)
object ConfigChangedNotificationHandler extends NotificationHandler {
override def processNotification(jsonBytes: Array[Byte]) = {
- // Ignore non-json notifications because they can be from the deprecated
TopicConfigManager
- Json.parseBytes(jsonBytes).foreach { js =>
- val jsObject = js.asJsonObjectOption.getOrElse {
- throw new IllegalArgumentException("Config change notification has
an unexpected value. The format is:" +
- """{"version" : 1, "entity_type":"topics/clients", "entity_name" :
"topic_name/client_id"} or """ +
- """{"version" : 2, "entity_path":"entity_type/entity_name"}. """ +
- s"Received: ${new String(jsonBytes, StandardCharsets.UTF_8)}")
- }
- jsObject("version").to[Int] match {
- case 1 => processEntityConfigChangeVersion1(jsonBytes, jsObject)
- case 2 => processEntityConfigChangeVersion2(jsonBytes, jsObject)
- case version => throw new IllegalArgumentException("Config change
notification has unsupported version " +
- s"'$version', supported versions are 1 and 2.")
+ val jsonValue = Json.parseBytes(jsonBytes)
+ if (jsonValue.isEmpty) {
+ // Ignore non-json notifications because they can be from the
deprecated TopicConfigManager
+ warn(s"The non-json notifications are ignored.")
Review comment:
Before my change, when there's a "not json" parameter passed, we just
ignore it without doing nothing. I'm thinking we should at least log to let
user know. Maybe we can log in INFO? What do you think?
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