jihoonson commented on a change in pull request #6206: Fix NPE in
KafkaSupervisor.checkpointTaskGroup
URL: https://github.com/apache/incubator-druid/pull/6206#discussion_r212173406
##########
File path:
extensions-core/kafka-indexing-service/src/main/java/io/druid/indexing/kafka/supervisor/KafkaSupervisor.java
##########
@@ -1714,6 +1755,8 @@ private void checkCurrentTaskState() throws
ExecutionException, InterruptedExcep
continue;
}
+ Preconditions.checkNotNull(taskData.status, "task[%s] has a null
status", taskId);
Review comment:
Same here. This should never happen. NPE would throw if `taskData.status` is
null and this is just a sanity code to see what's null on the potential NPE. I
improved the error message.
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