XComp commented on code in PR #23415:
URL: https://github.com/apache/flink/pull/23415#discussion_r1345486880


##########
flink-runtime/src/main/java/org/apache/flink/runtime/leaderretrieval/ZooKeeperLeaderRetrievalDriver.java:
##########
@@ -122,6 +125,19 @@ public void close() throws Exception {
         
client.getConnectionStateListenable().removeListener(connectionStateListener);
 
         cache.close();
+
+        try {
+            if (client.getZookeeperClient().isConnected()
+                    && 
!connectionInformationPath.contains(RESOURCE_MANAGER_NODE)) {

Review Comment:
   @KarmaGYZ Sorry for jumping in that late. I was on vacation for the past 
three weeks. I have a question about this change: Why do we have to filter the 
ResourceManager node here? It feels odd to refer to the ResourceManager in the 
`ZooKeeperLeaderRetrievalDriver`. Knowledge about the ResourceManager component 
should be out-of-scope for the driver implementation. WDYT?



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