sv2000 commented on a change in pull request #3174:
URL: https://github.com/apache/incubator-gobblin/pull/3174#discussion_r542968850



##########
File path: 
gobblin-modules/gobblin-kafka-common/src/main/java/org/apache/gobblin/source/extractor/extract/kafka/workunit/packer/KafkaTopicGroupingWorkUnitPacker.java
##########
@@ -251,7 +251,7 @@ private void addStatsToWorkUnits(Map<String, 
List<WorkUnit>> workUnitsByTopic) t
       List<WorkUnit> workUnits = entry.getValue();
       for (WorkUnit workUnit : workUnits) {
         int partitionId = 
Integer.parseInt(workUnit.getProp(KafkaSource.PARTITION_ID));
-        String topicPartition = new 
KafkaPartition.Builder().withTopicName(topic).withId(partitionId).toString();
+        String topicPartition = new 
KafkaPartition.Builder().withTopicName(topic).withId(partitionId).build().toString();

Review comment:
       @abhizen The variable is re-declared in two independent scopes. I don't 
see the advantage from a code-readability standpoint to have one common 
declaration. Also, I think it would be good to a unit test for 
addStatsToWorkUnits(). Would create a separate PR for it.




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