> 15/04/20 06:12:38 INFO yarn.ApplicationMaster: Final app status: FAILED,
> exitCode: 15, (reason: User class threw exception: Task not serializable)
> Exception in thread "Driver" org.apache.spark.SparkException: Task not
> serializable
> at
> org
Hi,
I am getting this serialization exception and I am not too sure what "Graph
is unexpectedly null when DStream is being serialized" means?
15/04/20 06:12:38 INFO yarn.ApplicationMaster: Final app status: FAILED,
exitCode: 15, (reason: User class threw exception: Task not se