Can you check your local and remote logs? 2015-05-06 16:24 GMT-04:00 Wang, Ningjun (LNG-NPV) < ningjun.w...@lexisnexis.com>:
> This problem happen in Spark 1.3.1. It happen when two jobs are running > simultaneously each in its own Spark Context. > > > > I don’t remember seeing this bug in Spark 1.2.0. Is it a new bug > introduced in Spark 1.3.1? > > > > Ningjun > > > > *From:* Ted Yu [mailto:yuzhih...@gmail.com] > *Sent:* Wednesday, May 06, 2015 11:32 AM > *To:* Wang, Ningjun (LNG-NPV) > *Cc:* user@spark.apache.org > *Subject:* Re: java.io.IOException: org.apache.spark.SparkException: > Failed to get broadcast_2_piece0 > > > > Which release of Spark are you using ? > > > > Thanks > > > On May 6, 2015, at 8:03 AM, Wang, Ningjun (LNG-NPV) < > ningjun.w...@lexisnexis.com> wrote: > > I run a job on spark standalone cluster and got the exception below > > > > Here is the line of code that cause problem > > > > *val *myRdd: RDD[(String, String, String)] = … *// RDD of (docid, > cattegory, path) * > > > myRdd.persist(StorageLevel.*MEMORY_AND_DISK_SER*) > > *val *cats: Array[String] = myRdd.map(t => t._2).distinct().collect() // > This line cause the exception > > > > > > 15/05/06 10:48:51 WARN TaskSetManager: Lost task 0.0 in stage 0.0 (TID 0, > LAB4-WIN03.pcc.lexisnexis.com): java.io.IOException: > org.apache.spark.SparkException: > Failed to get broadcast_2_piece0 of broadcast_2 > > at org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1156) > > at > org.apache.spark.broadcast.TorrentBroadcast.readBroadcastBlock(TorrentBroadcast.scala:164) > > at > org.apache.spark.broadcast.TorrentBroadcast._value$lzycompute(TorrentBroadcast.scala:64) > > at > org.apache.spark.broadcast.TorrentBroadcast._value(TorrentBroadcast.scala:64) > > at > org.apache.spark.broadcast.TorrentBroadcast.getValue(TorrentBroadcast.scala:87) > > at org.apache.spark.broadcast.Broadcast.value(Broadcast.scala:70) > > at > org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:61) > > at > org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41) > > at org.apache.spark.scheduler.Task.run(Task.scala:64) > > at > org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:203) > > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > > at java.lang.Thread.run(Thread.java:745) > > Caused by: org.apache.spark.SparkException: Failed to get > broadcast_2_piece0 of broadcast_2 > > at > org.apache.spark.broadcast.TorrentBroadcast$$anonfun$org$apache$spark$broadcast$TorrentBr > > oadcast$$readBlocks$1$$anonfun$2.apply(TorrentBroadcast.scala:137) > > at > org.apache.spark.broadcast.TorrentBroadcast$$anonfun$org$apache$spark$broadcast$TorrentBr > > oadcast$$readBlocks$1$$anonfun$2.apply(TorrentBroadcast.scala:137) > > at scala.Option.getOrElse(Option.scala:120) > > at > org.apache.spark.broadcast.TorrentBroadcast$$anonfun$org$apache$spark$broadcast$TorrentBr > > oadcast$$readBlocks$1.apply$mcVI$sp(TorrentBroadcast.scala:136) > > at > org.apache.spark.broadcast.TorrentBroadcast$$anonfun$org$apache$spark$broadcast$TorrentBr > > oadcast$$readBlocks$1.apply(TorrentBroadcast.scala:119) > > at > org.apache.spark.broadcast.TorrentBroadcast$$anonfun$org$apache$spark$broadcast$TorrentBr > > oadcast$$readBlocks$1.apply(TorrentBroadcast.scala:119) > > at scala.collection.immutable.List.foreach(List.scala:318) > > at org.apache.spark.broadcast.TorrentBroadcast.org > $apache$spark$broadcast$TorrentBroadcast$$ > > readBlocks(TorrentBroadcast.scala:119) > > at > org.apache.spark.broadcast.TorrentBroadcast$$anonfun$readBroadcastBlock$1.apply(TorrentBr > > oadcast.scala:174) > > at org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1153) > > ... 12 more > > > > > > Any idea what cause the problem and how to avoid it? > > > > Thanks > > Ningjun > > > >
