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From Sung Hwan Chung <coded...@cs.stanford.edu>
Subject Re: java.io.IOException Error in task deserialization
Date Fri, 10 Oct 2014 15:46:11 GMT
I haven't seen this at all since switching to HttpBroadcast. It seems
TorrentBroadcast might have some issues?

On Thu, Oct 9, 2014 at 4:28 PM, Sung Hwan Chung <codedeft@cs.stanford.edu>
wrote:

> 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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>

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