OmniaGM commented on a change in pull request #11008:
URL: https://github.com/apache/kafka/pull/11008#discussion_r668796809



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File path: core/src/main/scala/kafka/tools/ConsoleConsumer.scala
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@@ -315,11 +321,23 @@ object ConsoleConsumer extends Logging {
 
     formatter.configure(formatterArgs.asScala.asJava)
 
-    val topicOrFilterOpt = List(topicOpt, whitelistOpt).filter(options.has)
-    if (topicOrFilterOpt.size != 1)
-      CommandLineUtils.printUsageAndDie(parser, "Exactly one of 
whitelist/topic is required.")
+    val filterOpts = List(includeOpt, whitelistOpt).filter(options.has)
+    if (filterOpts.size == 2) {
+      CommandLineUtils.warn("--whitelist is DEPRECATED and ignored if 
--include specified.")

Review comment:
       The other option is to have another Jira ticket to change the ignoring 
for all deprecated arguments in case of the existence of the new ones to be 
handled probably later for another release. 




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