This is an intermittent error. Full error is this 21/03/18 17:35:12 ERROR org.apache.spark.scheduler.AsyncEventQueue: Listener EventLoggingListener threw an exception java.util.ConcurrentModificationException at java.util.Hashtable$Enumerator.next(Hashtable.java:1387) at scala.collection.convert.Wrappers$JPropertiesWrapper$$anon$6.next(Wrappers.scala:424) at scala.collection.convert.Wrappers$JPropertiesWrapper$$anon$6.next(Wrappers.scala:420) at scala.collection.Iterator.foreach(Iterator.scala:943) at scala.collection.Iterator.foreach$(Iterator.scala:943) at scala.collection.AbstractIterator.foreach(Iterator.scala:1431) at scala.collection.IterableLike.foreach(IterableLike.scala:74) at scala.collection.IterableLike.foreach$(IterableLike.scala:73) at scala.collection.AbstractIterable.foreach(Iterable.scala:56) at scala.collection.mutable.MapLike.toSeq(MapLike.scala:75) at scala.collection.mutable.MapLike.toSeq$(MapLike.scala:72) at scala.collection.mutable.AbstractMap.toSeq(Map.scala:84) at org.apache.spark.scheduler.EventLoggingListener.redactProperties(EventLoggingListener.scala:290) at org.apache.spark.scheduler.EventLoggingListener.onJobStart(EventLoggingListener.scala:162) at org.apache.spark.scheduler.SparkListenerBus.doPostEvent(SparkListenerBus.scala:37) at org.apache.spark.scheduler.SparkListenerBus.doPostEvent$(SparkListenerBus.scala:28) at org.apache.spark.scheduler.AsyncEventQueue.doPostEvent(AsyncEventQueue.scala:37) at org.apache.spark.scheduler.AsyncEventQueue.doPostEvent(AsyncEventQueue.scala:37) at org.apache.spark.util.ListenerBus.postToAll(ListenerBus.scala:117) at org.apache.spark.util.ListenerBus.postToAll$(ListenerBus.scala:101) at org.apache.spark.scheduler.AsyncEventQueue.super$postToAll(AsyncEventQueue.scala:105) at org.apache.spark.scheduler.AsyncEventQueue.$anonfun$dispatch$1(AsyncEventQueue.scala:105) at scala.runtime.java8.JFunction0$mcJ$sp.apply(JFunction0$mcJ$sp.java:23) at scala.util.DynamicVariable.withValue(DynamicVariable.scala:62) at org.apache.spark.scheduler.AsyncEventQueue.org $apache$spark$scheduler$AsyncEventQueue$$dispatch(AsyncEventQueue.scala:100) at org.apache.spark.scheduler.AsyncEventQueue$$anon$2.$anonfun$run$1(AsyncEventQueue.scala:96) at org.apache.spark.util.Utils$.tryOrStopSparkContext(Utils.scala:1381) at org.apache.spark.scheduler.AsyncEventQueue$$anon$2.run(AsyncEventQueue.scala:96)
There is a reference to this error here. [SPARK-32027] EventLoggingListener threw java.util.ConcurrentModificationException - ASF JIRA (apache.org) <https://issues.apache.org/jira/browse/SPARK-32027> HTH view my Linkedin profile <https://www.linkedin.com/in/mich-talebzadeh-ph-d-5205b2/> *Disclaimer:* Use it at your own risk. Any and all responsibility for any loss, damage or destruction of data or any other property which may arise from relying on this email's technical content is explicitly disclaimed. The author will in no case be liable for any monetary damages arising from such loss, damage or destruction. On Thu, 18 Mar 2021 at 17:02, Mich Talebzadeh <mich.talebza...@gmail.com> wrote: > Hi, > > > Does anyone know about the cause of this error in Spark structured > streaming? > > > Spark version 3.1.1 > > > > 21/03/18 16:53:38 ERROR org.apache.spark.scheduler.AsyncEventQueue: > Listener EventLoggingListener threw an exception > > java.util.ConcurrentModificationException > > at java.util.Hashtable$Enumerator.next(Hashtable.java:1387) > > Thanks > > > view my Linkedin profile > <https://www.linkedin.com/in/mich-talebzadeh-ph-d-5205b2/> > > > > *Disclaimer:* Use it at your own risk. Any and all responsibility for any > loss, damage or destruction of data or any other property which may arise > from relying on this email's technical content is explicitly disclaimed. > The author will in no case be liable for any monetary damages arising from > such loss, damage or destruction. > > >