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From "Amit Sela (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (BEAM-979) ConcurrentModificationException exception after hours of running
Date Thu, 19 Jan 2017 13:37:26 GMT

     [ https://issues.apache.org/jira/browse/BEAM-979?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Amit Sela resolved BEAM-979.
----------------------------
       Resolution: Fixed
    Fix Version/s: 0.5.0

Resolved by BEAM-1177

> ConcurrentModificationException exception after hours of running
> ----------------------------------------------------------------
>
>                 Key: BEAM-979
>                 URL: https://issues.apache.org/jira/browse/BEAM-979
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-spark
>            Reporter: Stas Levin
>            Assignee: Amit Sela
>             Fix For: 0.5.0
>
>
> {code}
> 	
> 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)
> {code}



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