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From Vinod Kone <vinodk...@gmail.com>
Subject Re: Spark/Mesos (master branch) throw spark.SparkException: ClassNotFound with classloader: null
Date Sat, 06 Jul 2013 20:53:30 GMT
This is likely more fit for spark mailing list.


On Sat, Jul 6, 2013 at 12:51 PM, Andrew Milkowski <andrewmilkowski@gmail.com
> wrote:

> Using latest master for both spark and mesos
>
> git clone git://git.apache.org/incubator-mesos.git
>
> git clone https://github.com/mesos/spark.git
>
> Running any client against mesos, an exception is thrown
>
> Exception in thread "Thread-39" spark.SparkException: ClassNotFound
> with classloader: null
>         at
> spark.scheduler.cluster.ClusterTaskSetManager.taskFinished(ClusterTaskSetManager.scala:526)
>         at
> spark.scheduler.cluster.ClusterTaskSetManager.statusUpdate(ClusterTaskSetManager.scala:493)
>         at
> spark.scheduler.cluster.ClusterScheduler.statusUpdate(ClusterScheduler.scala:422)
>         at
> spark.scheduler.mesos.MesosSchedulerBackend.statusUpdate(MesosSchedulerBackend.scala:238)
> Caused by: java.lang.ClassNotFoundException: spark/scheduler/TaskResult
>         at java.lang.Class.forName0(Native Method)
>         at java.lang.Class.forName(Class.java:249)
>         at
> spark.JavaDeserializationStream$$anon$1.resolveClass(JavaSerializer.scala:20)
>         at
> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1589)
>         at
> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1494)
>         at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1748)
>         at
> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1327)
>         at java.io.ObjectInputStream.readObject(ObjectInputStream.java:349)
>         at
> spark.JavaDeserializationStream.readObject(JavaSerializer.scala:23)
>         at
> spark.JavaSerializerInstance.deserialize(JavaSerializer.scala:39)
>         at
> spark.scheduler.cluster.ClusterTaskSetManager.taskFinished(ClusterTaskSetManager.scala:520)
>         ... 3 more
>
> is this a matter of configuration or yet to be finalized protocols
> (spark/mesos)
>
> thanks much!
>

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