Its a "value" not a variable, and what are you parallelizing here?
Thanks
Best Regards
On Fri, Sep 18, 2015 at 11:21 PM, Priya Ch <learnings.chitt...@gmail.com>
wrote:
> Hello All,
>
> Instead of declaring sparkContext in main, declared as object variable
> as -
>
> object sparkDemo
> {
>
> val conf = new SparkConf
> val sc = new SparkContext(conf)
>
> def main(args:Array[String])
> {
>
> val baseRdd = sc.parallelize()
> .
> .
> .
> }
>
> }
>
> But this piece of code is giving :
> java.io.IOException: org.apache.spark.SparkException: Failed to get
> broadcast_5_piece0 of broadcast_5
> at org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1155)
> at
> org.apache.spark.broadcast.TorrentBroadcast.readBroadcastBlock(TorrentBroadcast.scala:164)
> at
> org.apache.spark.broadcast.TorrentBroadcast._value$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.ResultTask.runTask(ResultTask.scala:58)
> 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_5_piece0 of broadcast_5
> at
> org.apache.spark.broadcast.TorrentBroadcast$$anonfun$org$apache$spark$broadcast$TorrentBroadcast$$readBlocks$1$$anonfun$2.apply(TorrentBroadcast.scala:137)
> at
> org.apache.spark.broadcast.TorrentBroadcast$$anonfun$org$apache$spark$broadcast$TorrentBroadcast$$readBlocks$1$$anonfun$2.apply(TorrentBroadcast.scala:137)
> at scala.Option.getOrElse(Option.scala:120)
> at
> org.apache.spark.broadcast.TorrentBroadcast$$anonfun$org$apache$spark$broadcast$TorrentBroadcast$$readBlocks$1.apply$mcVI$sp(TorrentBroadcast.scala:136)
> at
> org.apache.spark.broadcast.TorrentBroadcast$$anonfun$org$apache$spark$broadcast$TorrentBroadcast$$readBlocks$1.apply(TorrentBroadcast.scala:119)
> at
> org.apache.spark.broadcast.TorrentBroadcast$$anonfun$org$apache$spark$broadcast$TorrentBroadcast$$readBlocks$1.apply(TorrentBroadcast.scala:119)
> at scala.collection.immutable.List.foreach(List.scala:318)
> at org.apache.spark.broadcast.TorrentBroadcast.org
> <http://org.apache.spark.broadcast.torrentbroadcast.org/>
> $apache$spark$broadcast$TorrentBroadcast$$readBlocks(TorrentBroadcast.scala:119)
> at
> org.apache.spark.broadcast.TorrentBroadcast$$anonfun$readBroadcastBlock$1.apply(TorrentBroadcast.scala:174)
> at org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1152)
>
> Why should't we declare sc as object variable ???
>
> Regards,
> Padma Ch
>
