davidradl commented on code in PR #26334:
URL: https://github.com/apache/flink/pull/26334#discussion_r2014242913


##########
flink-rpc/flink-rpc-akka/src/main/java/org/apache/flink/runtime/rpc/pekko/PekkoRpcServiceUtils.java:
##########
@@ -294,15 +290,20 @@ public PekkoRpcServiceBuilder withCustomConfig(final 
Config customConfig) {
 
         @Override
         public PekkoRpcServiceBuilder withBindAddress(final String 
bindAddress) {
-            this.bindAddress = Preconditions.checkNotNull(bindAddress);
+            if (bindAddress != null) {

Review Comment:
   @beliefer sorry if I am not being clear.
   1) if bindAddress is never null coming into this method, then we do not need 
the if or the Preconditions.checkNotNull . In this case we can remove the if 
and the Preconditions.checkNotNull
   2) if bindAddress can be null coming into this method then 
Preconditions.checkNotNull will throw a null pointer exception. So the current 
change changes behaviour as the null pointer will not be thrown. 
   
   
   
   



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