apoorvmittal10 commented on code in PR #17583:
URL: https://github.com/apache/kafka/pull/17583#discussion_r1817026225


##########
core/src/main/java/kafka/server/share/DelayedShareFetch.java:
##########
@@ -79,16 +79,16 @@ public void onExpiration() {
      */
     @Override
     public void onComplete() {
-        log.trace("Completing the delayed share fetch request for group {}, 
member {}, " +
-                        "topic partitions {}", shareFetchData.groupId(),
-            shareFetchData.memberId(), 
shareFetchData.partitionMaxBytes().keySet());
+        log.trace("Completing the delayed share fetch request for group {}, 
member {}, "
+            + "topic partitions {}", shareFetchData.groupId(), 
shareFetchData.memberId(),
+            topicPartitionDataFromTryComplete != null ? 
topicPartitionDataFromTryComplete.keySet() : "null");
 
         if (shareFetchData.future().isDone())
             return;
 
         Map<TopicIdPartition, FetchRequest.PartitionData> topicPartitionData;
         // tryComplete did not invoke forceComplete, so we need to check if we 
have any partitions to fetch.
-        if (topicPartitionDataFromTryComplete.isEmpty())
+        if (topicPartitionDataFromTryComplete == null || 
topicPartitionDataFromTryComplete.isEmpty())

Review Comment:
   I have added tests.



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