I'm seeing the following exception ONLY when I run on a Mesos cluster. If I
run the exact same code with master set to "local[N]" I have no problem:
2015-05-19 16:45:43,484 [task-result-getter-0] WARN TaskSetManager - Lost
task 0.0 in stage 0.0 (TID 0, 10.253.1.101): java.io.EOFException
at
org.apache.spark.serializer.KryoDeserializationStream.readObject(KryoSerializer.scala:142)
at
org.apache.spark.broadcast.TorrentBroadcast$.unBlockifyObject(TorrentBroadcast.scala:216)
at
org.apache.spark.broadcast.TorrentBroadcast$$anonfun$readBroadcastBlock$1.apply(TorrentBroadcast.scala:177)
at org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1153)
at
org.apache.spark.broadcast.TorrentBroadcast.readBroadcastBlock(TorrentBroadcast.scala:164)
at
org.apache.spark.broadcast.TorrentBroadcast._value$lzycompute(TorrentBroadcast.scala:64)
at
org.apache.spark.broadcast.TorrentBroadcast._value(TorrentBroadcast.scala:64)
at
org.apache.spark.broadcast.TorrentBroadcast.getValue(TorrentBroadcast.scala:87)
at org.apache.spark.broadcast.Broadcast.value(Broadcast.scala:70)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:58)
at org.apache.spark.scheduler.Task.run(Task.scala:64)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:203)
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)
KryoSerializer explicitly throws an EOFException. The comment says:
// DeserializationStream uses the EOF exception to indicate stopping
condition.
Apparently this isn't what TorrentBroadcast expects.
Any suggestions? Thanks.
Jim
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