Hi, I used the method on this http://databricks.gitbooks.io/databricks-spark-reference-applications/content/twitter_classifier/train.html passage to save my k-means model.
But now, I have no idea how to load it back...I tried sc.objectFile("/path/to/data/file/directory/") But I got this error: org.apache.spark.SparkDriverExecutionException: Execution error at org.apache.spark.scheduler.DAGScheduler.handleTaskCompletion(DAGScheduler.scala:997) at org.apache.spark.scheduler.DAGSchedulerEventProcessActor$$anonfun$receive$2.applyOrElse(DAGScheduler.scala:14 17) at akka.actor.Actor$class.aroundReceive(Actor.scala:465) at org.apache.spark.scheduler.DAGSchedulerEventProcessActor.aroundReceive(DAGScheduler.scala:1375) at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516) at akka.actor.ActorCell.invoke(ActorCell.scala:487) at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:238) at akka.dispatch.Mailbox.run(Mailbox.scala:220) at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:393) at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) Caused by: java.lang.ArrayStoreException: [Ljava.lang.Object; at scala.runtime.ScalaRunTime$.array_update(ScalaRunTime.scala:88) at org.apache.spark.SparkContext$$anonfun$runJob$3.apply(SparkContext.scala:1339) at org.apache.spark.SparkContext$$anonfun$runJob$3.apply(SparkContext.scala:1339) at org.apache.spark.scheduler.JobWaiter.taskSucceeded(JobWaiter.scala:56) at org.apache.spark.scheduler.DAGScheduler.handleTaskCompletion(DAGScheduler.scala:993) ... 12 more Any suggestions? Thanks, [image: --] Xi Shen [image: http://]about.me/davidshen <http://about.me/davidshen?promo=email_sig> <http://about.me/davidshen>