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From Sung Hwan Chung <coded...@cs.stanford.edu>
Subject Re: java.io.IOException Error in task deserialization
Date Thu, 09 Oct 2014 23:28:34 GMT
I don't think that I saw any other error message. This is all I saw.

I'm currently experimenting to see if this can be alleviated by using
HttpBroadcastFactory instead of TorrentBroadcast. So far, with
HttpBroadcast, I haven't seen this recurring as of yet. I'll keep you
posted.

On Thu, Oct 9, 2014 at 4:21 PM, Davies Liu <davies@databricks.com> wrote:

> This exception should be caused by another one, could you paste all of
> them here?
>
> Also, that will be great if you can provide a script to reproduce this
> problem.
>
> Thanks!
>
> On Fri, Sep 26, 2014 at 6:11 AM, Arun Ahuja <aahuja11@gmail.com> wrote:
> > 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)
>
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