ERROR org.apache.spark.scheduler

Spark version 3.1.1

21/03/18 16:53:38 ERROR org.apache.spark.scheduler.AsyncEventQueue: Listener EventLoggingListener threw an exception

java.util.ConcurrentModificationException

        at java.util.Hashtable$Enumerator.next(Hashtable.java:1387)

此BUG将会在3.1.2/3.2.0版本中修复，如需补丁参考如下jira

https://issues.apache.org/jira/browse/SPARK-34731