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  1. Beam
  2. BEAM-979

ConcurrentModificationException exception after hours of running

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Details

    • Bug
    • Status: Resolved
    • P2
    • Resolution: Fixed
    • None
    • 0.5.0
    • runner-spark
    • None

    Description

      	
      User class threw exception: org.apache.spark.SparkException: Job aborted due to stage failure: Task 1 in stage 4483.0 failed 4 times, most recent failure: Lost task 1.3 in stage 4483.0 (TID 44548, xxxx.com): java.util.ConcurrentModificationException
      at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901)
      at java.util.ArrayList$Itr.next(ArrayList.java:851)
      at com.xxx.relocated.com.google.common.collect.Iterators$3.next(Iterators.java:177)
      at scala.collection.convert.Wrappers$JIteratorWrapper.next(Wrappers.scala:42)
      at scala.collection.Iterator$$anon$13.next(Iterator.scala:372)
      at org.apache.spark.storage.MemoryStore.unrollSafely(MemoryStore.scala:285)
      at org.apache.spark.CacheManager.putInBlockManager(CacheManager.scala:171)
      at org.apache.spark.CacheManager.getOrCompute(CacheManager.scala:78)
      at org.apache.spark.rdd.RDD.iterator(RDD.scala:275)
      at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
      at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:313)
      at org.apache.spark.rdd.RDD.iterator(RDD.scala:277)
      at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
      at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:313)
      at org.apache.spark.rdd.RDD.iterator(RDD.scala:277)
      at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
      at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:313)
      at org.apache.spark.rdd.RDD.iterator(RDD.scala:277)
      at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
      at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:313)
      at org.apache.spark.rdd.RDD.iterator(RDD.scala:277)
      at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
      at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:313)
      at org.apache.spark.rdd.RDD.iterator(RDD.scala:277)
      at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:73)
      at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41)
      at org.apache.spark.scheduler.Task.run(Task.scala:89)
      at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:227)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      at java.lang.Thread.run(Thread.java:745)
      

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              amitsela Amit Sela
              staslev Stas Levin
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                Created:
                Updated:
                Resolved: