I should also add I've recently seen this issue as well when using collect. I believe in my case it was related to heap space on the driver program not being able to handle the returned collection.
On Thu, May 7, 2015 at 11:05 AM, Richard Marscher <rmarsc...@localytics.com> wrote: > By default you would expect to find the logs files for master and workers > in the relative `logs` directory from the root of the Spark installation on > each of the respective nodes in the cluster. > > On Thu, May 7, 2015 at 10:27 AM, Wang, Ningjun (LNG-NPV) < > ningjun.w...@lexisnexis.com> wrote: > >> Ø Can you check your local and remote logs? >> >> >> >> Where are the log files? I see the following in my Driver program logs as >> well as the Spark UI failed task page >> >> >> >> java.io.IOException: org.apache.spark.SparkException: Failed to get >> broadcast_2_piece0 of broadcast_2 >> >> >> >> Here is the detailed stack trace. >> >> 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) >> >> >> >> >> >> >> >> Ningjun >> >> >> >> *From:* Jonathan Coveney [mailto:jcove...@gmail.com] >> *Sent:* Wednesday, May 06, 2015 5:23 PM >> *To:* Wang, Ningjun (LNG-NPV) >> *Cc:* Ted Yu; user@spark.apache.org >> >> *Subject:* Re: java.io.IOException: org.apache.spark.SparkException: >> Failed to get broadcast_2_piece0 >> >> >> >> 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 >> >> >> >> >> > >
