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  1. Spark
  2. SPARK-29755

ClassCastException occurs when reading events from SHS

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Details

    • Bug
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 3.0.0
    • 3.0.0
    • Spark Core
    • None

    Description

      Looks like SPARK-28869 triggered a technical issue on jackson-scala: https://github.com/FasterXML/jackson-module-scala/wiki/FAQ#deserializing-optionint-and-other-primitive-challenges

      19/11/05 17:59:23 INFO FsHistoryProvider: Leasing disk manager space for app app-20191105152223-0000 / None...
      19/11/05 17:59:23 INFO FsHistoryProvider: Parsing /apps/spark/eventlogs/app-20191105152223-0000 to re-build UI...
      19/11/05 17:59:24 ERROR FsHistoryProvider: Exception in checking for event log updates
      java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.Long
      	at scala.runtime.BoxesRunTime.unboxToLong(BoxesRunTime.java:107)
      	at org.apache.spark.deploy.history.FsHistoryProvider.shouldReloadLog(FsHistoryProvider.scala:585)
      	at org.apache.spark.deploy.history.FsHistoryProvider.$anonfun$checkForLogs$6(FsHistoryProvider.scala:458)
      	at org.apache.spark.deploy.history.FsHistoryProvider.$anonfun$checkForLogs$6$adapted(FsHistoryProvider.scala:444)
      	at scala.collection.TraversableLike.$anonfun$filterImpl$1(TraversableLike.scala:256)
      	at scala.collection.mutable.ResizableArray.foreach(ResizableArray.scala:62)
      	at scala.collection.mutable.ResizableArray.foreach$(ResizableArray.scala:55)
      	at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:49)
      	at scala.collection.TraversableLike.filterImpl(TraversableLike.scala:255)
      	at scala.collection.TraversableLike.filterImpl$(TraversableLike.scala:249)
      	at scala.collection.AbstractTraversable.filterImpl(Traversable.scala:108)
      	at scala.collection.TraversableLike.filter(TraversableLike.scala:347)
      	at scala.collection.TraversableLike.filter$(TraversableLike.scala:347)
      	at scala.collection.AbstractTraversable.filter(Traversable.scala:108)
      	at org.apache.spark.deploy.history.FsHistoryProvider.checkForLogs(FsHistoryProvider.scala:444)
      	at org.apache.spark.deploy.history.FsHistoryProvider.$anonfun$startPolling$3(FsHistoryProvider.scala:267)
      	at org.apache.spark.util.Utils$.tryOrExit(Utils.scala:1302)
      	at org.apache.spark.deploy.history.FsHistoryProvider.$anonfun$getRunner$1(FsHistoryProvider.scala:190)
      	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
      	at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
      	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
      	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
      	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
      	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
      	at java.lang.Thread.run(Thread.java:748)
      

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              kabhwan Jungtaek Lim
              kabhwan Jungtaek Lim
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                Updated:
                Resolved: