Github user mridulm commented on the pull request:
https://github.com/apache/spark/pull/1499#issuecomment-49804353
We saw a bunch of EOF Exceptions from SpillReader.
java.io.EOFException
at
java.io.ObjectInputStream$BlockDataInputStream.peekByte(ObjectInputStream.java:2577)
at
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1315)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
at
org.apache.spark.serializer.JavaDeserializationStream.readObject(JavaSerializer.scala:79)
at
org.apache.spark.util.collection.ExternalSorter$SpillReader.org$apache$spark$util$collection$ExternalSorter$SpillReader$$readNextItem(ExternalSorter.scala:526)
at
org.apache.spark.util.collection.ExternalSorter$SpillReader$$anon$6.hasNext(ExternalSorter.scala:560)
at
scala.collection.TraversableOnce$FlattenOps$$anon$1.hasNext(TraversableOnce.scala:432)
at scala.collection.Iterator$class.foreach(Iterator.scala:727)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1157)
at
org.apache.spark.shuffle.sort.SortShuffleWriter$$anonfun$write$2.apply(SortShuffleWriter.scala:93)
at
org.apache.spark.shuffle.sort.SortShuffleWriter$$anonfun$write$2.apply(SortShuffleWriter.scala:89)
(Exact line might not match master, but the issue might be conveyed I hope)
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