Github user gatorsmile commented on the issue:
https://github.com/apache/spark/pull/21451
```
org.apache.spark.SparkException: Job aborted due to stage failure: Task 0
in stage 0.0 failed 4 times, most recent failure: Lost task 0.3 in stage 0.0
(TID 7, localhost, executor 1): java.io.IOException:
org.apache.spark.SparkException: corrupt remote block broadcast_0_piece0 of
broadcast_0: 1651574976 != 1165629262
at org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1320)
at
org.apache.spark.broadcast.TorrentBroadcast.readBroadcastBlock(TorrentBroadcast.scala:207)
at
org.apache.spark.broadcast.TorrentBroadcast._value$lzycompute(TorrentBroadcast.scala:66)
at
org.apache.spark.broadcast.TorrentBroadcast._value(TorrentBroadcast.scala:66)
at
org.apache.spark.broadcast.TorrentBroadcast.getValue(TorrentBroadcast.scala:96)
at org.apache.spark.broadcast.Broadcast.value(Broadcast.scala:70)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:84)
at org.apache.spark.scheduler.Task.run(Task.scala:121)
at
org.apache.spark.executor.Executor$TaskRunner$$anonfun$7.apply(Executor.scala:367)
at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1347)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:373)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.spark.SparkException: corrupt remote block
broadcast_0_piece0 of broadcast_0: 1651574976 != 1165629262
at
org.apache.spark.broadcast.TorrentBroadcast$$anonfun$org$apache$spark$broadcast$TorrentBroadcast$$readBlocks$1.apply$mcVI$sp(TorrentBroadcast.scala:167)
at
org.apache.spark.broadcast.TorrentBroadcast$$anonfun$org$apache$spark$broadcast$TorrentBroadcast$$readBlocks$1.apply(TorrentBroadcast.scala:151)
at
org.apache.spark.broadcast.TorrentBroadcast$$anonfun$org$apache$spark$broadcast$TorrentBroadcast$$readBlocks$1.apply(TorrentBroadcast.scala:151)
at scala.collection.immutable.List.foreach(List.scala:392)
at
org.apache.spark.broadcast.TorrentBroadcast.org$apache$spark$broadcast$TorrentBroadcast$$readBlocks(TorrentBroadcast.scala:151)
at
org.apache.spark.broadcast.TorrentBroadcast$$anonfun$readBroadcastBlock$1$$anonfun$apply$2.apply(TorrentBroadcast.scala:231)
at scala.Option.getOrElse(Option.scala:121)
at
org.apache.spark.broadcast.TorrentBroadcast$$anonfun$readBroadcastBlock$1.apply(TorrentBroadcast.scala:211)
at org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1313)
... 13 more
```
Is this possible a bug introduced by this PR? After merging this PR, I saw
this error multiple times. https://issues.apache.org/jira/browse/SPARK-25422
cc @squito @cloud-fan @vanzin @tgravescs
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