Yes, I see the warning in the stack trace, but it appears to be a basic
statistics issue rather than a column one.
2025-12-13T02:19:01,786 INFO [01343279-f562-4bd5-9a16-d8d3fd832843 main]
stats.BasicStatsTask: [Warning] could not update stats.Failed with exception
Unable to alter partition. java.lang.NullPointerException: Cannot invoke
"java.util.List.size()" because "vals" is null
org.apache.hadoop.hive.ql.metadata.HiveException: Unable to alter partition.
java.lang.NullPointerException: Cannot invoke "java.util.List.size()" because
"vals" is null
at
org.apache.hadoop.hive.ql.metadata.Hive.alterPartitions(Hive.java:1217)
at
org.apache.hadoop.hive.ql.stats.BasicStatsTask.aggregateStats(BasicStatsTask.java:406)
at
org.apache.hadoop.hive.ql.stats.BasicStatsTask.process(BasicStatsTask.java:108)
at org.apache.hadoop.hive.ql.exec.StatsTask.execute(StatsTask.java:111)
