It seems that, as I have a single scala application, the scheduler is the same and there is a collision between executors of both spark context. Is there a way to change how the executor ID is generated (maybe an uuid instead of a sequential number..?)
2014-09-16 13:07 GMT+01:00 Luis Ángel Vicente Sánchez < langel.gro...@gmail.com>: > I have a standalone spark cluster and from within the same scala > application I'm creating 2 different spark context to run two different > spark streaming jobs as SparkConf is different for each of them. > > I'm getting this error that... I don't really understand: > > 14/09/16 11:51:35 ERROR OneForOneStrategy: spark.httpBroadcast.uri >> java.util.NoSuchElementException: spark.httpBroadcast.uri >> at org.apache.spark.SparkConf$$anonfun$get$1.apply(SparkConf.scala:149) >> at org.apache.spark.SparkConf$$anonfun$get$1.apply(SparkConf.scala:149) >> at scala.collection.MapLike$class.getOrElse(MapLike.scala:128) >> at scala.collection.AbstractMap.getOrElse(Map.scala:58) >> at org.apache.spark.SparkConf.get(SparkConf.scala:149) >> at >> org.apache.spark.broadcast.HttpBroadcast$.initialize(HttpBroadcast.scala:130) >> at >> org.apache.spark.broadcast.HttpBroadcastFactory.initialize(HttpBroadcastFactory.scala:31) >> at >> org.apache.spark.broadcast.BroadcastManager.initialize(BroadcastManager.scala:48) >> at >> org.apache.spark.broadcast.BroadcastManager.<init>(BroadcastManager.scala:35) >> at org.apache.spark.SparkEnv$.create(SparkEnv.scala:218) >> at org.apache.spark.executor.Executor.<init>(Executor.scala:85) >> at >> org.apache.spark.executor.CoarseGrainedExecutorBackend$$anonfun$receive$1.applyOrElse(CoarseGrainedExecutorBackend.scala:59) >> at akka.actor.ActorCell.receiveMessage(ActorCell.scala:498) >> at akka.actor.ActorCell.invoke(ActorCell.scala:456) >> at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:237) >> at akka.dispatch.Mailbox.run(Mailbox.scala:219) >> at >> akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:386) >> at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) >> at >> scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) >> at >> scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) >> at >> scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) >> 14/09/16 11:51:35 ERROR CoarseGrainedExecutorBackend: Slave registration >> failed: Duplicate executor ID: 10 >> >> > Both apps has different names so I don't get how the executor ID is not > unique :-S > > This happens on startup and most of the time only one job dies, but > sometimes both of them die. > > Regards, > > Luis >
