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Xiangrui Meng commented on SPARK-1410: -------------------------------------- The code is available at https://github.com/mengxr/mllib-grid-search If sbt.version is changed to 0.13.0 or 0.13.1, `sbt/sbt "run ..."` throws the following exception: ~~~ [error] (run-main-0) org.apache.spark.SparkException: Job aborted: ClassNotFound with classloader: sbt.classpath.ClasspathFilter@45307fb org.apache.spark.SparkException: Job aborted: ClassNotFound with classloader: sbt.classpath.ClasspathFilter@45307fb at org.apache.spark.scheduler.DAGScheduler$$anonfun$org$apache$spark$scheduler$DAGScheduler$$abortStage$1.apply(DAGScheduler.scala:1010) at org.apache.spark.scheduler.DAGScheduler$$anonfun$org$apache$spark$scheduler$DAGScheduler$$abortStage$1.apply(DAGScheduler.scala:1008) at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59) at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47) at org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$abortStage(DAGScheduler.scala:1008) at org.apache.spark.scheduler.DAGScheduler$$anonfun$processEvent$10.apply(DAGScheduler.scala:595) at org.apache.spark.scheduler.DAGScheduler$$anonfun$processEvent$10.apply(DAGScheduler.scala:595) at scala.Option.foreach(Option.scala:236) at org.apache.spark.scheduler.DAGScheduler.processEvent(DAGScheduler.scala:595) at org.apache.spark.scheduler.DAGScheduler$$anonfun$start$1$$anon$2$$anonfun$receive$1.applyOrElse(DAGScheduler.scala:146) at akka.actor.ActorCell.receiveMessage(ActorCell.scala:498) at akka.actor.ActorCell.invoke(ActorCell.scala:456) at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:237) at akka.dispatch.Mailbox.run(Mailbox.scala:219) at akka.dispatch.ForkJoinExecutorConfigurator$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) ~~~ > Class not found exception with application launched from sbt 0.13.x > ------------------------------------------------------------------- > > Key: SPARK-1410 > URL: https://issues.apache.org/jira/browse/SPARK-1410 > Project: Spark > Issue Type: Improvement > Affects Versions: 1.0.0 > Reporter: Xiangrui Meng > > sbt 0.13.x use its own loader but this is not available at worker side: > org.apache.spark.SparkException: Job aborted: ClassNotFound with classloader: > sbt.classpath.ClasspathFilter@47ed40d > A workaround is to switch to sbt 0.12.4. -- This message was sent by Atlassian JIRA (v6.2#6252)