Hi,
I am using spark 1.2.1, sometimes I get these errors sporadically:
Any thought on what could be the cause?
Thanks
2015-02-27 15:08:47 ERROR SparkUncaughtExceptionHandler:96 - Uncaught exception
in thread Thread[Executor task launch worker-25,5,main]
java.lang.InternalError: a fault occurred in a recent unsafe memory access
operation in compiled Java code
at
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1377)
at
java.io.ObjectInputStream.readObject(ObjectInputStream.java:370)
at
org.apache.spark.serializer.JavaDeserializationStream.readObject(JavaSerializer.scala:62)
at
org.apache.spark.serializer.DeserializationStream$$anon$1.getNext(Serializer.scala:133)
at
org.apache.spark.util.NextIterator.hasNext(NextIterator.scala:71)
at
scala.collection.Iterator$$anon$12.hasNext(Iterator.scala:350)
at
org.apache.spark.InterruptibleIterator.hasNext(InterruptibleIterator.scala:39)
at
scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327)
at
scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327)
at
scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327)
at
scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327)
at
org.apache.spark.util.collection.ExternalSorter.spillToPartitionFiles(ExternalSorter.scala:365)
at
org.apache.spark.util.collection.ExternalSorter.insertAll(ExternalSorter.scala:211)
at
org.apache.spark.shuffle.sort.SortShuffleWriter.write(SortShuffleWriter.scala:63)
at
org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:68)
at
org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41)
at org.apache.spark.scheduler.Task.run(Task.scala:56)
at
org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:200)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
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