Has anyone else seen this erorr in task deserialization? The task is
processing a small amount of data and doesn't seem to have much data
hanging to the closure? I've only seen this with Spark 1.1
Job aborted due to stage failure: Task 975 in stage 8.0 failed 4
times, most recent failure: Lost task 975.3 in stage 8.0 (TID 24777,
host.com): java.io.IOException: unexpected exception type
java.io.ObjectStreamClass.throwMiscException(ObjectStreamClass.java:1538)
java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1025)
java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1893)
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1990)
java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1915)
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
java.io.ObjectInputStream.readObject(ObjectInputStream.java:370)
org.apache.spark.serializer.JavaDeserializationStream.readObject(JavaSerializer.scala:62)
org.apache.spark.serializer.JavaSerializerInstance.deserialize(JavaSerializer.scala:87)
org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:159)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
java.lang.Thread.run(Thread.java:744)
