sgaragan opened a new issue, #17389:
URL: https://github.com/apache/druid/issues/17389
Please provide a detailed title (e.g. "Broker crashes when using TopN query
with Bound filter" instead of just "Broker crashes").
### Affected Version
Druid 30.0.1
### Description
I noticed an exception in the task logs for a coordinator issued compaction
for a table with a lot of large rows, mostly from one column with a JSON
encoded string. The processing continued as this seems to be a problem with
the stats collection as shown by the exception
`java.lang.NullPointerException: Cannot invoke "java.util.Map.get(Object)"
because "ingestionStatsAndErrors" is null
at
org.apache.druid.indexing.common.task.batch.parallel.ParallelIndexSupervisorTask.getRowStatsAndUnparseableEventsForRunningTasks(ParallelIndexSupervisorTask.java:1651)
~[druid-indexing-service-28.0.1.jar:28.0.1]
at
org.apache.druid.indexing.common.task.batch.parallel.ParallelIndexSupervisorTask.doGetRowStatsAndUnparseableEventsParallelMultiPhase(ParallelIndexSupervisorTask.java:1623)
~[druid-indexing-service-28.0.1.jar:28.0.1]
at
org.apache.druid.indexing.common.task.batch.parallel.ParallelIndexSupervisorTask.doGetRowStatsAndUnparseableEvents(ParallelIndexSupervisorTask.java:1724)
~[druid-indexing-service-28.0.1.jar:28.0.1]
at
org.apache.druid.indexing.common.task.batch.parallel.ParallelIndexSupervisorTask.doGetLiveReports(ParallelIndexSupervisorTask.java:1760)
~[druid-indexing-service-28.0.1.jar:28.0.1]
at
org.apache.druid.indexing.common.task.batch.parallel.ParallelIndexSupervisorTask.getLiveReports(ParallelIndexSupervisorTask.java:1795)
~[druid-indexing-service-28.0.1.jar:28.0.1]`
The full exception is attached to this issue
This cluster is running on OpenShift using the Druid Operator with
1 broker
1 coordinator/overlord
1 router
7 historicals
4 middle managers
[task-compaction-log.log](https://github.com/user-attachments/files/17476138/task-compaction-log.log)
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