as a starting point, attach your stacktrace... ps: look for duplicates in your classpath, maybe you include another jar with same class
On 8 September 2015 at 06:38, Nicholas R. Peterson <nrpeter...@gmail.com> wrote: > I'm trying to run a Spark 1.4.1 job on my CDH5.4 cluster, through Yarn. > Serialization is set to use Kryo. > > I have a large object which I send to the executors as a Broadcast. The > object seems to serialize just fine. When it attempts to deserialize, > though, Kryo throws a ClassNotFoundException... for a class that I include > in the fat jar that I spark-submit. > > What could be causing this classpath issue with Kryo on the executors? > Where should I even start looking to try to diagnose the problem? I > appreciate any help you can provide. > > Thank you! > > -- Nick >